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

Author

Listed:
  • Liping Pang

    (School of Aeronautic Science and Engineering, Beihang University, Beijing 100191, China
    School of Aero-Engine, Shenyang Aerospace University, Shenyang 110136, China)

  • Chenyuan Yang

    (School of Aeronautic Science and Engineering, Beihang University, Beijing 100191, China)

  • Xiaodong Cao

    (School of Aeronautic Science and Engineering, Beihang University, Beijing 100191, China)

  • Qing Tian

    (School of Information Science and Technology, North China University of Technology, Beijing 100144, China)

  • Bo Li

    (School of Information Science and Technology, North China University of Technology, Beijing 100144, China)

Abstract

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 PM 2.5 , PM 10 , SO 2 (sulfur dioxide), NO 2 (nitrogen dioxide), NH 3 (ammonia), CO (carbon monoxide), CH 2 O (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 PM 2.5 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 PM 10 , PM 2.5 , SO 2 , NO 2 and CO in the subway station were positively correlated with their corresponding outdoor concentrations. PM 10 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.

Suggested Citation

  • Liping Pang & Chenyuan Yang & Xiaodong Cao & Qing Tian & Bo Li, 2020. "Experimental Investigation of Air Quality in a Subway Station with Fully Enclosed Platform Screen Doors," IJERPH, MDPI, vol. 17(14), pages 1-15, July.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:14:p:5213-:d:386682
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    References listed on IDEAS

    as
    1. Peng Mao & Jie Li & Lilin Xiong & Rubing Wang & Xiang Wang & Yongtao Tan & Hongyang Li, 2019. "Characterization of Urban Subway Microenvironment Exposure—A Case of Nanjing in China," IJERPH, MDPI, vol. 16(4), pages 1-17, February.
    2. Ying-Yi Chen & Fung-Chang Sung & Mei-Lien Chen & I-Fang Mao & Chung-Yen Lu, 2016. "Indoor Air Quality in the Metro System in North Taiwan," IJERPH, MDPI, vol. 13(12), pages 1-10, December.
    3. Yanfeng Zhou & Shaozun Zhang & Zhen Li & Jie Zhu & Yongyi Bi & YuE Bai & Hong Wang, 2014. "Maternal Benzene Exposure during Pregnancy and Risk of Childhood Acute Lymphoblastic Leukemia: A Meta-Analysis of Epidemiologic Studies," PLOS ONE, Public Library of Science, vol. 9(10), pages 1-11, October.
    Full references (including those not matched with items on IDEAS)

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