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Article

Experimental Investigation of Air Quality in a Subway Station with Fully Enclosed Platform Screen Doors

1
School of Aeronautic Science and Engineering, Beihang University, Beijing 100191, China
2
School of Aero-Engine, Shenyang Aerospace University, Shenyang 110136, China
3
School of Information Science and Technology, North China University of Technology, Beijing 100144, China
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2020, 17(14), 5213; https://doi.org/10.3390/ijerph17145213
Received: 2 June 2020 / Revised: 13 July 2020 / Accepted: 15 July 2020 / Published: 19 July 2020
In this study, the indoor air quality (IAQ) was investigated in a subway station with fully enclosed platform screen doors in Beijing, China. Eight indoor air pollutants, including PM2.5, PM10, SO2 (sulfur dioxide), NO2 (nitrogen dioxide), NH3 (ammonia), CO (carbon monoxide), CH2O (formaldehyde) and TVOC (total volatile organic compound), were measured for six consecutive days in October 2019. The results indicated that the IAQ in the subway station was basically stable at good levels for most times during the whole measurement period. All eight indoor air pollutants were far below their corresponding maximum allowable concentrations, except for the PM2.5 concentrations, which occasionally exceeded the concentration limits. The concentrations of indoor air pollutants in the subway station were basically within the corresponding standards. The correlation analyses showed that outdoor air pollutants have important influences on indoor air pollutants. The concentrations of PM10, PM2.5, SO2, NO2 and CO in the subway station were positively correlated with their corresponding outdoor concentrations. PM10 was statistically significantly correlated with the passenger flow and train frequency, but the other air pollutants were less impacted by the passenger flow and train frequency. View Full-Text
Keywords: indoor air quality; subway station; airborne pollutants; I/O ratio indoor air quality; subway station; airborne pollutants; I/O ratio
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MDPI and ACS Style

Pang, L.; Yang, C.; Cao, X.; Tian, Q.; Li, B. Experimental Investigation of Air Quality in a Subway Station with Fully Enclosed Platform Screen Doors. Int. J. Environ. Res. Public Health 2020, 17, 5213. https://doi.org/10.3390/ijerph17145213

AMA Style

Pang L, Yang C, Cao X, Tian Q, Li B. Experimental Investigation of Air Quality in a Subway Station with Fully Enclosed Platform Screen Doors. International Journal of Environmental Research and Public Health. 2020; 17(14):5213. https://doi.org/10.3390/ijerph17145213

Chicago/Turabian Style

Pang, Liping, Chenyuan Yang, Xiaodong Cao, Qing Tian, and Bo Li. 2020. "Experimental Investigation of Air Quality in a Subway Station with Fully Enclosed Platform Screen Doors" International Journal of Environmental Research and Public Health 17, no. 14: 5213. https://doi.org/10.3390/ijerph17145213

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