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Deprecated: Implicit conversion from float 253.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Environ+Sci+Pollut+Res+Int 2021 ; 28 (46): 65822-65831 Nephropedia Template TP
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Particulate matter concentration and health risk assessment for a residential building during COVID-19 pandemic in Abha, Saudi Arabia #MMPMID34322813
Algarni S; Khan RA; Khan NA; Mubarak NM
Environ Sci Pollut Res Int 2021[Dec]; 28 (46): 65822-65831 PMID34322813show ga
Building and its environment are in focus owing to health impact attributed to indoor air quality. This study was carried out to assess indoor air quality in terms of particulate matter (PM) and carbon dioxide in a residential building, during COVD-19 pandemic lockdown from March 25 to April 23, 2020, Abha, Saudi Arabia. The PM concentration range for kitchen, bedroom, and hall were 40,000-81000 mug/m(3) (PM(0.3)), 15,000-26000 mug/m(3) (PM(0.5)), 4000-6000 mug/m(3) (PM(1)), 1100-1500 mug/m(3) (PM(2.5)), 160-247 mug/m(3) (PM(5)), and 60-95 mug/m(3) (PM(10)). The results of this study suggest that bedroom needs to be ventilated as CO(2) concentration was reaching 700 ppm during sleep hours. PM concentration was exceeding 300 mug/m(3) (unhealthy) for all particle sizes of PM(0.3), PM(0.5), PM(1), and PM(2.5) except for PM(10) which was also above safe limits (0-50 mug/m(3)). Also, with influential habit (aromatic smoke), these concentrations increased 2-28 times for PM. The hazard quotient value greater than 1 revealed potential health risk to the inhabitants. Hence, future studies are needed for developing indoor air quality guidelines for residential buildings in Saudi Arabia and better planning and management of energy consumption.