Effects of surrounding environment and student activity on the concentration of particulate matter in elementary school classrooms in South Korea

Kim, Dae-Hyeon; Jo, Young Min; Son, Youn-Suk

doi:10.1016/j.apr.2024.102090

Atmospheric Pollution Research

2024

DOI: 10.1016/j.apr.2024.102090

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Effects of surrounding environment and student activity on the concentration of particulate matter in elementary school classrooms in South Korea

Dae-Hyeon Kim,

Young Min Jo,

Youn-Suk Son

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Spatial distribution of fine particulate matters in urban school classrooms during high-concentration events in South Korea

Choi,

Wang,

Lee

et al. 2024

Environ. Res. Commun.

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The assessment of indoor fine particulate matter (particularly PM1.0) in classrooms is a recent concern due to its negative effects on the health and performance of young students, most of whom spend 6 - 8 hours per day in schools. A field investigation of 20 urban schools with uncontrolled classroom conditions found that the hourly average concentrations of PM2.5 and PM1.0 in 20 classrooms ranged from 6.5 μg/m3 to 36.9 μg/m3 and 4.3 μg/m3 to 27.4 μg/m3, respectively. The ratios of indoor to outdoor (I/O) concentrations were 0.46 to 1.32 for PM2.5 and 0.43 to 0.97 for PM1.0. The size-based ratios of fine-to-coarse (F/C) were 0.46 to 0.88 for PM1.0/PM2.5 in indoor environments and 0.57 to 0.93 outdoors. During high-concentration events caused by yellow dust and heavy local smog, the F/C ratio (PM1.0/PM2.5) in the classroom was 0.22 and 0.93, respectively, and the respective I/O values for PM2.5 and PM1.0 were 0.68 and 0.60. These findings can inform the development of school guidelines for managing the health of young students.

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Spatial distribution of fine particulate matters in urban school classrooms during high-concentration events in South Korea

Choi,

Wang,

Lee

et al. 2024

Environ. Res. Commun.

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Effects of surrounding environment and student activity on the concentration of particulate matter in elementary school classrooms in South Korea

Cited by 1 publication

References 57 publications

Spatial distribution of fine particulate matters in urban school classrooms during high-concentration events in South Korea

Spatial distribution of fine particulate matters in urban school classrooms during high-concentration events in South Korea

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