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Journal articles on the topic 'Indoor air quality index'

Author: Grafiati

Published: 29 March 2025

Last updated: 31 July 2025

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1

Eltzov, Evgeni, Abri Lavena De Cesarea, ‘Yuen Kei Adarina Low, and Robert S. Marks. "Indoor air pollution and the contribution of biosensors." EuroBiotech Journal 3, no. 1 (2019): 19–31. http://dx.doi.org/10.2478/ebtj-2019-0003.

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Abstract A vast majority of people today spend more time indoors than outdoors. However, the air quality indoors may be as bad as or even worse than the air quality outside. This is due to the continuous circulation of the same air without proper ventilation and filtration systems, causing a buildup of pollutants. As such, indoor air quality monitoring should be considered more seriously. Indoor air quality (IAQ) is a measure of the air quality within and around buildings and relates to the health and comfort of building occupants. To determine the IAQ, computer modeling is done to simulate th

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Khadim, Hussein, Faik Obaed, and Nahla Ajeel. "Wireless Sensing Network for Implementation of Air Quality Monitoring System and Indoor Air Quality Index Application." Iraqi Geological Journal 57, no. 2D (2024): 210–20. http://dx.doi.org/10.46717/igj.57.2d.17ms-2024-10-27.

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Indoor air quality significantly impacts respiratory health and mental activity. This study utilizes a wireless sensing network (WSN) based on the Internet of Things (IoT) to monitor indoor air quality, referred to as an indoor air quality monitoring system. The system was installed and applied on campus at the University of Baghdad. The present study aims to monitor air quality parameters continuously within laboratories. Carbon monoxide, sulfur dioxide, nitrogen dioxide, ammonia, and particulate objects are the pollutants chosen to be monitored by the installed system in this study. These po

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Wagdi, Dalia, Khaled Tarabieh, and Mohamed Nagib Abou Zeid. "Indoor air quality index for preoccupancy assessment." Air Quality, Atmosphere & Health 11, no. 4 (2018): 445–58. http://dx.doi.org/10.1007/s11869-018-0551-y.

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Sun, Li, Peng Wei, Dane Westerdahl, Jing Xue, and Zhi Ning. "Evaluating Indoor Air Quality in Schools: Is the Indoor Environment a Haven during High Pollution Episodes?" Toxics 12, no. 8 (2024): 564. http://dx.doi.org/10.3390/toxics12080564.

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Pollution data were collected at five schools in Hong Kong using low-cost, sensor-based monitors both indoors and outdoors during two consecutive high pollution episodes. The pollutants monitored included NO2, O3, PM2.5, and PM10, which were also used as input to a health risk communication protocol known as Air Quality Health Index (AQHI). CO2 was also measured simultaneously. The study aimed to assess the relationship between indoor pollutant concentrations and AQHI levels with those outdoors and to evaluate the efficacy of building operating practices in protecting students from pollution e

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Erfianto, Bayu, and Andrian Rahmatsyah. "Application of ARIMA Kalman Filter with Multi-Sensor Data Fusion Fuzzy Logic to Improve Indoor Air Quality Index Estimation." JOIV : International Journal on Informatics Visualization 6, no. 4 (2022): 771. http://dx.doi.org/10.30630/joiv.6.4.889.

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Air quality monitoring is a process that determines the number of pollutants in the air, one of which is indoor air quality. The Fuzzy Indoor Air Quality Index was developed in this research. It is a method for determining the indoor air quality index using sensor fusion and fuzzy logic. By combining several different time series determinants of air quality, a fuzzy logic-based sensor fusion method is used to build a knowledge base about indoor air quality levels. Without the use of complicated calculation models, fuzzy logic-based fusion will make it easier to determine indoor air quality lev

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Altamirano-Astorga, Jorge, J. Octavio Gutierrez-Garcia, and Edgar Roman-Rangel. "Forecasting Indoor Air Quality in Mexico City Using Deep Learning Architectures." Atmosphere 15, no. 12 (2024): 1529. https://doi.org/10.3390/atmos15121529.

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Air pollution causes millions of premature deaths per year due to its strong association with several diseases and respiratory afflictions. Consequently, air quality monitoring and forecasting systems have been deployed in large urban areas. However, those systems forecast outdoor air quality while people living in relatively large cities spend most of their time indoors. Hence, this work proposes an indoor air quality forecasting system, which was trained with data from Mexico City, and that is supported by deep learning architectures. The novelty of our work is that we forecast an indoor air

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Tariq, Hasan, Farid Touati, Damiano Crescini, and Adel Ben Mnaouer. "State-of-the-Art Low-Cost Air Quality Sensors, Assemblies, Calibration and Evaluation for Respiration-Associated Diseases: A Systematic Review." Atmosphere 15, no. 4 (2024): 471. http://dx.doi.org/10.3390/atmos15040471.

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Indoor air quality and respiratory health have always been an area of prime interest across the globe. The significance of low-cost air quality sensing and indoor public health practices spiked during the pandemic when indoor air pollution became a threat to living beings, especially human beings. Problem Definition: Indoor respiration-associated diseases are hard to diagnose if they are due to indoor environmental conditions. A major challenge was observed in establishing a baseline between indoor air quality sensors and associated respiratory diseases. Methods: In this work, 10,000+ articles

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Wei, Qing Tao, Li Na Zhao, and Hai Ting Lv. "Fuzzy Comprehensive Evaluation of Air Quality in Home." Applied Mechanics and Materials 484-485 (January 2014): 484–87. http://dx.doi.org/10.4028/www.scientific.net/amm.484-485.484.

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Based on the indoor air quality and the evaluation index, utilize the fuzzy mathematical theory, comprehensively consider on the three important factors which influence the air quality, and through the calculation and determination the weight vector, divide the air quality into four levels as "qualified"," mild overweight"," overweight", "severe overweight". Through sampling the indoor air in a family, according to the fuzzy comprehensive evaluation method and the maximum membership degree principle, get every sample point levels from data. It will provide the method of getting a more objectiv

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Allena, Nishant, Anandu Mathews Anto, Luis Espinosa, Sneha Khanal, and Trupti Vakde. "Addressing Environmental Factors in COPD: The Role of HEPA Filters in Indoor Air Quality." International Journal of Respiratory and Pulmonary Medicine 12, no. 1 (2025): 1–4. https://doi.org/10.23937/2378-3516/1410194.

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COPD is a major public health issue globally, resulting in significant morbidity, loss of productivity, and increased health expenditure. Air pollution is considered the primary factor leading to the development and progression of COPD. While the role of outdoor air pollution was well outlined, studies have looked at how indoor air quality and indoor air pollution can cause or worsen the disease. Even though we know that outdoor air pollution has contributed to COPD, the question remains: how do outdoor air pollution and an increased outdoor air pollution load impact indoor air quality, and ho

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Wang, Wei, Zhuang Yu, Hui Zhang, and Hai Tao Wang. "Assessment of Indoor Air Quality Using Different Air-Condition for Cooling." Advanced Materials Research 518-523 (May 2012): 910–13. http://dx.doi.org/10.4028/www.scientific.net/amr.518-523.910.

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Based on observation of characteristics of NAI concentration of part of an office-building in Shenzhen, air quality of different equipments for cooling were assessed using ion polarity ratio (q) and air ion assessment index (CI). The result show that the air cleanness degree of the natural ventilation indoor is better than mechanical ventilation, using renewable energy for cooling is better than normal air-conditioning, and placed the negative ion generator has improved indoor air quality significantly. So the authors suggest to take NAI concentration as a monitoring and assessment indicators

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Zong, Hua, Lei Tian, Zhimeng Cao, and Minjie Luo. "Exposure of Elderly People to Indoor Air Pollutants in Wanxia Nursing Home." Buildings 13, no. 9 (2023): 2135. http://dx.doi.org/10.3390/buildings13092135.

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The elderly residing in nursing homes are typically more advanced in age, have more health issues, and spend more time indoors than other elderly people. This study explored the indoor air quality in the Wanxia nursing home, the largest private nursing home in Chengdu, China, based on long-term measurement data. Air pollutant sensors measured the level of air pollution in the Wanxia nursing home from March 2021 to February 2022. This study obtained several important results: (1) The indoor air quality index (IAQI) of the Wanxia nursing home was at a low pollution level in spring, summer, and a

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Kaewrat, Jenjira, Rungruang Janta, Surasak Sichum, and Thongchai Kanabkaew. "Indoor Air Quality and Human Health Risk Assessment in the Open-Air Classroom." Sustainability 13, no. 15 (2021): 8302. http://dx.doi.org/10.3390/su13158302.

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Indoor air quality is associated with academic performance and harmful health effects on students and teachers who participate in the classroom. Outdoor sources always contribute to classroom air quality. This study aims to estimate the amounts of indoor and outdoor pollutants and the influence of outdoor sources on open-air classrooms in a school located in the city. A health risk assessment was applied to assess the non-carcinogenic risk to students and teachers from exposure to the pollutants in the classroom. The concentrations of indoor NO2 ranged between 46.40 and 77.83 µg/m3, which is a

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Adebusayo, Adeyemi S., Ayo-Dada O. Dorcas, and Osuolale B. Tundun. "Improvement of indoor air quality of selected workspaces using phytopurification techniques." Tropical Journal of Phytochemistry and Pharmaceutical Sciences 4, no. 4 (2025): 181. https://doi.org/10.26538/tjpps/v4i4.6.

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Good indoor air quality improves productivity at the workplace and on the other hand, poor indoor air quality could lead to losses in productivity as a result of comfort problems, ill health, and sickness- absenteeism. The purpose of this study was to improve indoor air quality using phytopurification techniques by monitoring and comparing the Indoor Air Quality before and after the use of some indoor plants in the selected workspaces in Lead City University Area, Ibadan, Oyo State. Various parameters such as Temperature, Formaldehyde, Relative humidity(RH), Fine particulate matter (PM2.5), To

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Liang, Yutong, Deep Sengupta, Mark J. Campmier, David M. Lunderberg, Joshua S. Apte, and Allen H. Goldstein. "Wildfire smoke impacts on indoor air quality assessed using crowdsourced data in California." Proceedings of the National Academy of Sciences 118, no. 36 (2021): e2106478118. http://dx.doi.org/10.1073/pnas.2106478118.

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Wildfires have become an important source of particulate matter (PM2.5 < 2.5-µm diameter), leading to unhealthy air quality index occurrences in the western United States. Since people mainly shelter indoors during wildfire smoke events, the infiltration of wildfire PM2.5 into indoor environments is a key determinant of human exposure and is potentially controllable with appropriate awareness, infrastructure investment, and public education. Using time-resolved observations outside and inside more than 1,400 buildings from the crowdsourced PurpleAir sensor network in California, we found th

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Kim, Do Yun, Tae Jung Lee, Oh Jong Kwon, and Young Min Jo. "Development of indoor air quality index for air quality management of multi-use facilities." Journal of Odor and Indoor Environment 20, no. 4 (2021): 304–10. http://dx.doi.org/10.15250/joie.2021.20.4.304.

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Riffelli, Stefano. "A Wireless Indoor Environmental Quality Logger Processing the Indoor Global Comfort Index." Sensors 22, no. 7 (2022): 2558. http://dx.doi.org/10.3390/s22072558.

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Indoor environmental quality (IEQ) has a high-level of impact on one’s health and productivity. It is widely accepted that IEQ is composed of four categories: thermal comfort, indoor air quality (IAQ), visual comfort, and acoustic comfort. The main physical parameters that primarily represent these comfort categories can be monitored using sensors. To this purpose, the article proposes a wireless indoor environmental quality logger. In the literature, global comfort indices are often assessed objectively (using sensors) or subjectively (through surveys). This study adopts an integrated approac

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Piasecki and Kostyrko. "Combined Model for IAQ Assessment: Part 1—Morphology of the Model and Selection of Substantial Air Quality Impact Sub-Models." Applied Sciences 9, no. 18 (2019): 3918. http://dx.doi.org/10.3390/app9183918.

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Indoor air quality (IAQ) is one of the most important elements affecting a building user’s comfort and satisfaction. Currently, many methods of assessing the quality of indoor air have been described in the literature. In the authors’ opinion, the methods presented have not been collected, systematized, and organized into one multi-component model. The application purpose of the assessment is extremely important when choosing IAQ model. This article provides the state-of-the-art overview on IAQ methodology and attempts to systematize approach. Sub-models of the processes that impact indoor air

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Vasile, Vasilica, Vlad Iordache, Valentin Mihai Radu, and Claudiu-Sorin Dragomir. "The Relationship between Mechanical Ventilation, Indoor Air Quality Classes, and Energy Classes in a Romanian Context." Atmosphere 15, no. 4 (2024): 444. http://dx.doi.org/10.3390/atmos15040444.

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Nowadays, indoor air quality (IAQ) and the energy performance of buildings are two main scientific and technical challenges because they are in direct connection with human health and the depletion of energy resources. In this study, we analyzed the influence of an outdoor air flow introduced through a mechanical ventilation system, focusing on the two aforementioned topics. A standardized ventilation rate (25 m3/h/person) led to an increase in the indoor O3 concentration (from 5 μg/m3 to 50 μg/m3) and, simultaneously, to a decrease in the indoor CO2 concentration (from 2000 mg/m3 to 800 mg/m3

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Yang, Xue Bin, De Fa Sun, Xiang Jiang Zhou, and Guang Ping Lin. "Literature Survey on Building Rankings by Indoor Environment Quality." Applied Mechanics and Materials 90-93 (September 2011): 3047–50. http://dx.doi.org/10.4028/www.scientific.net/amm.90-93.3047.

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Indoor environment quality can be used to rank the building performance. Environmental parameters involve operative or room temperature, predicted mean vote, predicted percentage of thermally satisfied, predicted percentage dissatisfied, air velocity, relative humidity, indoor air quality and so on. One or more parameters can be possible to establish a corresponding range for building classes. Average CO2 concentration level can be used as the index of indoor air quality to measure the office buildings or public places. Various authors in different climates or zones proposed different baseline

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Leng, Xing Yang, and Ping Jiang. "Comparative Study on Indoor Air Quality Evaluation Method." Applied Mechanics and Materials 178-181 (May 2012): 267–71. http://dx.doi.org/10.4028/www.scientific.net/amm.178-181.267.

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This paper reviewed six kinds of indoor air quality (IAQ) evaluation methods, by which the same IAQ status were evaluated. Besides, the relations and distinctions of six methods were also analyzed. The results indicate that the evaluation results of different methods on the same sample are not identical. Fuzzy comprehensive evaluation method, pollution loss rate method and comprehensive index method are relatively accurate, and improved grey relational analysis method has the largest error.

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Laskari, Marina, Stavroula Karatasou, and Mat Santamouris. "A methodology for the determination of indoor environmental quality in residential buildings through the monitoring of fundamental environmental parameters: A proposed Dwelling Environmental Quality Index." Indoor and Built Environment 26, no. 6 (2016): 813–27. http://dx.doi.org/10.1177/1420326x16660175.

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This paper presents the methodology for the calculation of an indoor environmental quality indicator for residential buildings. The ‘Dwelling Environmental Quality Index’ has been developed with the purpose of assisting both households and property managers to identify potential problems with the indoor environment whilst ensuring that indoor environmental quality is not compromised in favour of energy saving. Based on the combined effect of three simple and commonly measured indoor environmental parameters – air temperature, relative humidity and CO2 concentrations; the index reflects in a si

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Bhardawaj, Avdesh, Anurag Singh Chaudhary, and Raghav Bhardwaj. "A comparative study of indoor and outdoor air quality and associated potential health effects in Gurugram, India." IOP Conference Series: Earth and Environmental Science 1382, no. 1 (2024): 012008. http://dx.doi.org/10.1088/1755-1315/1382/1/012008.

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Abstract Deteriorating air quality remains a leading reason for global human illness and death. This study aims to investigate and compare inside and outside ambient air quality in 15 locations of Gurugram, India. Research technique adopted comprised of extracting outdoor air quality parameter values via Air Quality Index reporting stations for the entire year 2022. Parallel to that, indoor air quality parameter values of houses close to those monitoring stations were recorded through low-cost IoT based AirCubic sensors (T1595) as PM2.5, PM10, relative humidity (RH) and carbon monoxide (CO). A

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Koufi, L., Z. Younsi, Y. Cherif, H. Naji, and M. El Ganaoui. "A numerical study of indoor air quality in a ventilated room using different strategies of ventilation." Mechanics & Industry 18, no. 2 (2017): 221. http://dx.doi.org/10.1051/meca/2016043.

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This study aimed to numerically investigate the air flow and contaminant dispersion in a ventilated room. The URANS equations supplemented with energy and concentration equations are solved using the scStream code. We are targeting primarily the ventilation effectiveness (εc) and the index of indoor air quality (IIAQ). Different displacement and mixing ventilation modes are investigated in isothermal conditions. The ventilation flow rate is 50 m3.h-1 Here, our ultimate aim is to suggest an effective ventilation that can ensure a good indoor air quality. The RNG k − ε model was adopted to handl

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Piasecki, Michał, Krystyna Kostyrko, and Sławomir Pykacz. "Indoor environmental quality assessment: Part 1: Choice of the indoor environmental quality sub-component models." Journal of Building Physics 41, no. 3 (2017): 264–89. http://dx.doi.org/10.1177/1744259117702882.

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Indoor environment quality is a relative measure of comfort perception by people exposed to the indoor conditions. It is expected that any assessment of energy performance should also include indoor comfort. This study is to review indoor environmental quality models (with respect to thermal and acoustic comfort, indoor air and lighting quality). A simplified indoor environmental quality model is also developed with consideration of EN 15251 draft ‘Guideline for using indoor environmental input parameters for the design and assessment of energy performance of buildings’. This article analyses

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Bagaber, Maryam, and Shifana Fatima Kaafil. "Assessment of Indoor Air Quality in Different Spaces of Residential and Commercial Buildings in Jeddah, Saudi Arabia." Asian Journal of Water, Environment and Pollution 20, no. 4 (2023): 79–86. http://dx.doi.org/10.3233/ajw230054.

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Indoor air pollution has a significant impact on human health, triggering and inducing a wide range of diseases that result in high morbidity and mortality. In this study, indoor air pollution in different spaces of residential and commercial buildings is assessed in terms of air quality index (AQI), particulate matter PM2.5, particulate matter PM10, carbon dioxide, formaldehyde (HCHO), the total volatile organic compound (TVOC), humidity, and temperature. Two residential apartment buildings are chosen for study, one is in a busy outdoor area and the other is situated in a calm outdoor area to

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Allana, Adrian, and Alvin Chua. "FUZZY LOGIC PROGRAM FOR BUS INDOOR ENVIRONMENTAL ASSESSMENT." ASEAN Engineering Journal 11, no. 4 (2021): 129–42. http://dx.doi.org/10.11113/aej.v11.17869.

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This paper proposes a fuzzy logic algorithm that evaluates the indoor environmental conditions on an urban bus specifically in Metro Manila. This algorithm identifies the value of three indexes: IAQI, TCI, and CO2. The Indoor Air Quality Index (IAQI) quantifies the level of indoor air quality of the bus. CO2, CO, NO2, O3, TVOC, and PM10 are the input parameters for the fuzzy logic system that will determine IAQI. Thermal Comfort Index (TCI) quantifies the indoor thermal condition in four levels. The indoor temperature and humidity are the input parameters for the fuzzy logic system that will d

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Mazoteras-Pardo, Victoria, Marta Elena Losa-Iglesias, Israel Casado-Hernández, et al. "Indoor air quality in a training centre used for sports practice." PeerJ 11 (May 1, 2023): e15298. http://dx.doi.org/10.7717/peerj.15298.

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Background One of the measures for controlling the coronavirus disease 2019 (COVID-19) pandemic was the mass closure of gyms. This measure leads us to determine the differences between indoor and outdoor air quality. That is why the objective of this study was to analyse the indoor air quality of a sports centre catering to small groups and rehabilitation. Methods The study was conducted in a single training centre, where 26 measurements were taken in two spaces (indoors and outdoors). The air quality index, temperature, relative humidity, total volatile compounds, carbon monoxide, ozone, form

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Singh, Ajay Kumar, Satish Kumar Bhardwaj, Rajeev Kumar Aggarwal, et al. "Mitigation of Air Pollution and its Impact on the Lung Health of Tuberculosis Patients, a Prospective Cohort Study from Rural India." Current World Environment 19, no. 3 (2025): 1269——1278. https://doi.org/10.12944/cwe.19.3.18.

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Our respiratory system is a primary target of the harmful effects of poor indoor and outdoor air quality; therefore, the present study was undertaken in rural settings of Solan district of HP on 23 Pulmonary tuberculosis patients diagnosed at the Secondary Care level hospital of Solan in 2018 and 2019. Their lung function assessment was undertaken with Spirometry at the beginning and after six months of anti-tubercular treatment (ATT). Accordingly, air quality (indoor and outdoor) was assessed and the Air Quality Index (AQI) was computed. In total 300 participants in ten villages of the select

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Lopez Carreño, Ruben Daniel, Francesc Pardo-Bosch, Stanislav Aidarov, David Boix-Cots, and Pablo Pujadas. "A Simplified Classroom Indoor Air Quality Risk Index: Application in the Mediterranean Region to Support the Enhanced Design of Educational Environments." Applied Sciences 15, no. 7 (2025): 4033. https://doi.org/10.3390/app15074033.

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The quality of indoor environments within educational settings significantly impacts the health, safety, and comfort of occupants. In this manuscript, a simplified Classroom Indoor Air Quality (CIAQ) Risk Index, aimed at assessing the potential ability of classrooms to maintain CO2 levels within acceptable limits, is introduced. Comprising three primary components—the likelihood of surpassing predefined CO2 thresholds, the potential number of individuals exposed, and the classroom’s capacity to withstand or mitigate threats—this index serves as a valuable compliance tool during both the design

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Corlan, R. V., I. Ionel, M. E. Boatca, A. Draghici, R. M. Balogh, and D. Bisorca. "Indoor air quality research within a furniture factory." Journal of Physics: Conference Series 2212, no. 1 (2022): 012004. http://dx.doi.org/10.1088/1742-6596/2212/1/012004.

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Abstract Improving conditions and quality of life depends, among others, on the environment. People spend most of their time in a day inside buildings to work, sleep, eat, rest, and do sports and other activities. The article refers to a case study based on research on indoor environment within a furniture factory; the research is achieved via instruments for collecting diverse indoor parameters, such as temperature, CO2, PM (particulate matter) concentrations, noise, and humidity levels. All data recorded are needed to evaluate the conditions of the indoor climate in which the workers are act

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Chang, Che-Jui, and Hsiao-Yu Yang. "P-190 INDOOR AIR QUALITY AND HEAT STRESS FOR ELDERLY REQUIRING MEDICAL HOME VISITS." Occupational Medicine 74, Supplement_1 (2024): 0. http://dx.doi.org/10.1093/occmed/kqae023.0726.

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Abstract Introduction Climate change’s impact on public health is a growing concern, especially for vulnerable populations like the elderly. This study aims to assess indoor air quality and heat exposure levels for elderly patients in home healthcare settings. Methods During a three-month period from May to July 2023, this study focused on elderly patients receiving medical home visits from National Taiwan University Hospital Hsin-Chu Branch. AirBoxes (Edimax AI-1001W V3) were placed in each patient’s home to monitor indoor PM2.5 levels, temperature, and relative humidity. Heat index (HI) valu

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Abdel-Aziz, Reda Abdel-Zaher, and Samir Mahmoud Radwan. "Impact of traffic densities on indoor air quality." World Journal of Advanced Research and Reviews 1, no. 3 (2019): 066–72. https://doi.org/10.5281/zenodo.4308830.

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In the last few decades air pollution in general and indoor air pollution in particular represents a danger for the human health. The impact of traffic density on indoor air quality was evaluated. Indoor and outdoor concentrations of particulate matter (PM<sub>10</sub>), nitrogen dioxide (NO<sub>2</sub>) and sulfur dioxide (SO<sub>2</sub>) were estimated in 30 homes during the winter and summer seasons of 2016. The results showed that the impact of traffic on indoor concentration was evident in moderate and high traffic areas. PM<sub>10</sub> recorded the highest values in winter while bo

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Zhang, Mengying, Xujuan Dong, and Jing Feng. "Indoor Air Quality Evaluation in Rural Houses Using Different Heating Methods in Northern Shanxi, China." Sustainability 16, no. 14 (2024): 5912. http://dx.doi.org/10.3390/su16145912.

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It has been shown that heating methods have a large impact on rural indoor air quality. Previous studies on indoor air quality in rural houses involved a limited number of heating methods and lacked comprehensive comparative research on the three heating methods: coal-fired boiler radiator heating, air-source heat pump radiator heating, and Chinese stove–kang heating. In this paper, subjective surveys and objective tests were conducted on indoor air quality in rural houses using these three heating methods in northern Shanxi, China. The gray relational analysis method and the comprehensive ind

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Esfandiari, Masoud, Suzaini Mohamed Zaid, Muhammad Azzam Ismail, et al. "Occupants’ Satisfaction toward Indoor Environment Quality of Platinum Green-Certified Office Buildings in Tropical Climate." Energies 14, no. 8 (2021): 2264. http://dx.doi.org/10.3390/en14082264.

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The quality of the indoor environment has become a vital component for buildings due to the time spent indoors. To this extent, the performance of the indoor environment is considered as part of the greenery criteria by green rating schemes such as the Green Building Index in Malaysia. This study aims to investigate and assess the quality of the indoor environment of Platinum-certified office buildings in a tropical climate. This research applied a case study approach over two Platinum-certified office buildings. Post-occupancy evaluation is employed integrating full-scale measurement with an

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An, Ik-Hyun, Su-Hoon Park, Yong-Ho Lee, et al. "Comparison of Local Mean Age of Air between Displacement Ventilation System and Mixing Ventilation System in Office Heating Conditions during Winter." Buildings 14, no. 1 (2024): 115. http://dx.doi.org/10.3390/buildings14010115.

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A novel displacement ventilation system (DVS) was designed using a four-way cassette fan coil unit (FCU) and air purifiers (APs) for supplying clean air. The proposed DVS in this study involved drawing indoor air through the FCU and diffusers installed in the ceiling, controlling air temperature using the FCU, and then discharging it back into the office through the APs placed on the floor. The comparative ventilation system considered was the typical mixing ventilation system (MVS) that intakes and exhausts indoor air using diffusers installed on the ceiling. The local mean age of air was use

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Bily, Viktor. "MODERN APROACH TO MICROCLIMATE CONTROL ON BOARD SHIPS." Scientific Journal of Polonia University 49, no. 6 (2022): 146–53. http://dx.doi.org/10.23856/4919.

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Ambient and indoor air pollution have high impact on public health. Safety of indoor air is crucial for well-being and stress tolerance of seafarers due to their prolonged stay in the environment characterized by adjacency of work and leisure premises. Flaws in ventilation and air distribution systems may lead to infiltration and accumulation of pollutants in air of living and recreation premises. However, available onboard HVAC systems designs are not fit to ensure cleanliness and quality of the indoor air of ships accommodation. In this study a new approach for indoor air quality management

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., Rajbala Soni. "INDOOR AIR QUALITY INDEX AND CHRONIC HEALTH DISEASE: A PILOT STUDY." International Journal of Research in Engineering and Technology 02, no. 12 (2013): 282–86. http://dx.doi.org/10.15623/ijret.2013.0212048.

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Piasecki, Michał, Krystyna Kostyrko, Małgorzata Fedorczak-Cisak, and Katarzyna Nowak. "Air Enthalpy as an IAQ Indicator in Hot and Humid Environment—Experimental Evaluation." Energies 13, no. 6 (2020): 1481. http://dx.doi.org/10.3390/en13061481.

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The authors studied the impact of indoor air humidity in the range of 60% to 90% on building user perception in the temperature range of 26 to 28 °C. The research thesis was put forward that the impact of humidity on indoor air quality dissatisfaction of building users in a warm and humid indoor environment is greater than that indicated in thermal comfort models. The presented experiment examined the indoor air quality perception of n = 28 subjects in the test chamber of a nearly zero energy building under ten environmental conditions, together with a thermal comfort assessment. The authors d

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Tahsildoost, Mohammad, and Zahra S. Zomorodian. "Indoor environment quality assessment in classrooms: An integrated approach." Journal of Building Physics 42, no. 3 (2018): 336–62. http://dx.doi.org/10.1177/1744259118759687.

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Indoor Environmental Quality is an important issue in educational buildings since it is directly related to students’ well-being and learning activities. Indoor Environmental Quality parameters have been assessed in three representative campus building typologies (old, new, and retrofitted), in Tehran, Iran, by measurements and questionnaire (n = 842) from July 2016 to April 2017. Results have been compared to the students’ overall satisfaction level and recommended standards. According to results, minimum attention to local standards with regard to Indoor Air Quality, acoustic, and lighting,

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Chandore, Hemant Dnyaneshwar. "The Role of Indoor Plants in Improving Air and Mind-Comprehensive Review." International Journal of Environment, Agriculture and Biotechnology 9, no. 4 (2024): 138–53. http://dx.doi.org/10.22161/ijeab.94.20.

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Rapid urbanization and concrete indoor living environments are posing challenges to human beings and their beloved pets in terms of indoor environmental quality (IEQ). Raising indoor plants has the potential to not only control indoor air quality, but also maintain psychological comfort and health. In the recent COVID-19 pandemic period, indoor plants have highlighted the importance of these plants in their overall maintenance of health and mental well-being. It is highly recommended to plant this tree after reviewing various research benefits. Keeping in mind the above view, we reviewed recen

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Piasecki, Michał, Elżbieta Radziszewska-Zielina, Piotr Czerski, et al. "Implementation of the Indoor Environmental Quality (IEQ) Model for the Assessment of a Retrofitted Historical Masonry Building." Energies 13, no. 22 (2020): 6051. http://dx.doi.org/10.3390/en13226051.

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Achieving a satisfactory level for indoor environments of historical buildings is an ongoing problem that needs to be solved due to a large demand for deep retrofits in the whole of Europe. The implementation of the indoor environmental quality index (IEQ) to predict an occupant’s satisfaction in thermo-modernized historical buildings is a new concept which is a response to existing needs. In this article, a relevant study is provided with the intention to evaluate the indoor environmental performance of retrofitting effects in historical buildings dating back to the years 1873–1878. Consideri

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Theresa, W. Gracy, T. Tamilselvi, M. Mary Victoria Florence, and K. Revathi. "Air Watch: An Ample Design of Indoor Air Quality Monitoring System." International Journal on Recent and Innovation Trends in Computing and Communication 11, no. 6s (2023): 344–50. http://dx.doi.org/10.17762/ijritcc.v11i6s.6939.

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The environment is getting contaminated drastically by introducing harmful materials into the atmosphere through the excessive activities of human in adding comfort and luxurious style in their living. The pollutant level in air has high impact of healthiness of the person inhaling it. Air not outside as well indoor is infected by various hazardous particles and gases. To assess the air quality in the particular environment, it stimulates the need to monitor the hazardous elements listed. The internet of things (IoT) and artificial intelligence (AI) became the part of human life by adding smar

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Chiesa, Giacomo, Silvia Cesari, Miguel Garcia, Mohammad Issa, and Shuyang Li. "Multisensor IoT Platform for Optimising IAQ Levels in Buildings through a Smart Ventilation System." Sustainability 11, no. 20 (2019): 5777. http://dx.doi.org/10.3390/su11205777.

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Indoor Air Quality (IAQ) issues have a direct impact on the health and comfort of building occupants. In this paper, an experimental low-cost system has been developed to address IAQ issues by using a distributed internet of things platform to control and monitor the indoor environment in building spaces while adopting a data-driven approach. The system is based on several real-time sensor data to model the indoor air quality and accurately control the ventilation system through algorithms to maintain a comfortable level of IAQ by balancing indoor and outdoor pollutant concentrations using the

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D. Philemon, Sylvester, and Lucky Esemuze. "Clean air: an outlook for achieving sustainable development goals: the state of the indoor environment in Michika area of Adamawa state, Nigeria." SPC Journal of Environmental Sciences 4, no. 1 (2022): 1–3. https://doi.org/10.14419/jes.v4i1.32169.

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This study assessed the health implications of air quality decline in residential, workplace, and school indoor environments and its implications on the health of the inhabitants of the Michika Area of Adamawa State. Pollutants such as PM, CO, NO2, and SO2 were evaluated in the morning and evening hours within 10 days using an in situ gas sampler. The data were compared to WHO and NESREA limits for human exposure. Anova and student t-test statistics were adopted to hypothesize the mean differences in the diurnal and spatial conditions of indoor air pollutants. The air quality index was estimat

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Duh, Feng-Chyi. "Transient Effects of Different Ventilation Methods on Car Indoor Air Quality." Studies in Engineering and Technology 2, no. 1 (2015): 70. http://dx.doi.org/10.11114/set.v2i1.891.

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This study investigated transient effects on the air quality of parked cars and moving cars with and without operating air conditioning. Carbon dioxide, carbon monoxide, volatile organic compounds, and formaldehyde concentrations were measured for comparative analysis. The results showed that simply changing the air conditioning system from internal circulation to external circulation to introduce air from outside reduces carbon dioxide concentrations by more than 50%, volatile organic compound concentrations by more than 77%, and the heat index from 0.1℃/min to less than 0.05 ℃/min. In order

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Chen, Chen Cheng, and Chen Wei Chien. "Integrating Logis Regression and XGBoost to Construct Indoor Air Quality Improvement Research." E3S Web of Conferences 396 (2023): 01021. http://dx.doi.org/10.1051/e3sconf/202339601021.

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In the face of the severe global epidemic, indoor architectural space has become one of the critical issues, and the construction of a new type of “built environment” while solving “health and epidemic prevention” has become the goal of active development in countries around the world (SDGs & Pandemic Response); Pollutant concentration, optimization of indoor heat and humidity environment, and release of indoor environmental monitoring data, etc. It can not only protect the short-term needs of building users but also provide long-term health protection for building users and ultimately ach

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Vasile, Vasilica, Vlad Iordache, Valentin Mihai Radu, Cristian Petcu, and Claudiu-Sorin Dragomir. "The Effects of an Adaptive Ventilation Control System on Indoor Air Quality and Energy Consumption." Sustainability 16, no. 22 (2024): 9836. http://dx.doi.org/10.3390/su16229836.

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Indoor air quality (IAQ) and energy consumption (Q) are well-known building estimators, but they are used separately. Energy consumption is used during the design stage, while IAQ is used during operation. The novelty of our approach is that we propose using both estimators simultaneously during building operations. The purpose of this study was to find an adaptive ventilation strategy that maintained good indoor air quality with minimal energy consumption. The second novelty of our approach consists of IAQ estimation. While the operation of ventilation systems depends only on the indoor carbo

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Dr.Pradeep, Karanje, Awais Abdul, Kamran Md, Aftab Ahmed Mohd, and Mahesh Chary P. "Development of Smart Exaust Ventilation for Autonomous Environment Monitoring & Control." Journal of Sensor Research and Technologies 7, no. 2 (2025): 28–33. https://doi.org/10.5281/zenodo.15523818.

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<em>This paper presents the development and implementation of an intelligent exhaust ventilation fan system designed for real-time autonomous environmental monitoring and control in indoor settings. The system combines advanced Internet of Things (IOT) technology, environmental sensors, and a microcontroller-based control unit to create a highly responsive air quality management solution. Key sensors measure critical air quality parameters— temperature, humidity, and particulate matter (PM2.5 and PM10)—allowing the system to accurately assess indoor environmental conditions. The sm

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Almutairi, Alsanad, and Alhelailah. "Evaluation of the Indoor Air Quality in Governmental Oversight Supermarkets (Co-Ops) in Kuwait." Applied Sciences 9, no. 22 (2019): 4950. http://dx.doi.org/10.3390/app9224950.

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Examining the indoor air environment of public venues, especially populated supermarkets such as Co-Ops in Kuwait, is crucial to ensure that these venues are safe from indoor environmental deficits such as sick building syndrome (SBS). The aim of this study was to characterize the quality of the indoor air environment of the Co-Ops supermarkets in Kuwait based on investigation of CO2, CO, NO2, H2S, TVOCs, and NMHC. On-site measurements were conducted to evaluate these parameters in three locations at the selected Co-Ops, and the perceived air quality (PAQ) was determined to quantify the air’s

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Huang, Hai, Shunyu Zhang, Xiangrui Zhao, and Zhenlei Chen. "Comprehensive Optimization of Air Quality in Kitchen Based on Auxiliary Evaluation Indicators." Applied Sciences 15, no. 12 (2025): 6755. https://doi.org/10.3390/app15126755.

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Traditional single-scale indoor air quality (IAQ) evaluation methods often fail to meet the demands of modern, personalized kitchens. To address this limitation, we propose a comprehensive IAQ index, integrating experimental data and simulation results. The index incorporates four key IAQ auxiliary evaluation indicators: air distribution performance index (ADPI), predicted mean vote (PMV), cooking oil fume particulates (COFP), and CO2 concentration. We developed a kitchen model and used the comprehensive IAQ index to benchmark simulation results against experimental tests. Optimal kitchen air

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