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Open AccessArticle

Indoor Air Quality in the Metro System in North Taiwan

by Ying-Yi Chen 1, Fung-Chang Sung 2,3, Mei-Lien Chen 1,*,†, I-Fang Mao 4,5,*,† and Chung-Yen Lu 6,7,*,†
1
Institute of Environmental and Occupational Health Sciences, School of Medicine, National Yang Ming University, Taipei 11221, Taiwan
2
Management Office for Health Data, China Medical University Hospital, Taichung 40402, Taiwan
3
Department of Health Services Administration, College of Public Health, China Medical University, Taichung 40402, Taiwan
4
Department of Occupational Safety and Health, Chung Shan Medical University, Taichung 40201, Taiwan
5
Department of Medical Research, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
6
Department of Sport and Health Management, Da-Yeh University, No.168, University Rd., Dacun, Changhua 51591, Taiwan
7
School of Post-Baccalaureate Chinese Medicine, China Medical University, Taichung 40402, Taiwan
*
Authors to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editors: Tania Martellini and Alessandra Cincinelli
Int. J. Environ. Res. Public Health 2016, 13(12), 1200; https://doi.org/10.3390/ijerph13121200
Received: 26 September 2016 / Revised: 28 November 2016 / Accepted: 29 November 2016 / Published: 2 December 2016
(This article belongs to the Special Issue Indoor Air Quality and Health 2016)
Indoor air pollution is an increasing health concern, especially in enclosed environments such as underground subway stations because of increased global usage by urban populations. This study measured the indoor air quality of underground platforms at 10 metro stations of the Taipei Rapid Transit system (TRTS) in Taiwan, including humidity, temperature, carbon monoxide (CO), carbon dioxide (CO2), formaldehyde (HCHO), total volatile organic compounds (TVOCs), ozone (O3), airborne particulate matter (PM10 and PM2.5), bacteria and fungi. Results showed that the CO2, CO and HCHO levels met the stipulated standards as regulated by Taiwan’s Indoor Air Quality Management Act (TIAQMA). However, elevated PM10 and PM2.5 levels were measured at most stations. TVOCs and bacterial concentrations at some stations measured in summer were higher than the regulated standards stipulated by Taiwan’s Environmental Protection Administration. Further studies should be conducted to reduce particulate matters, TVOCs and bacteria in the air of subway stations. View Full-Text
Keywords: indoor air; subway; transit; particulate matter; metro indoor air; subway; transit; particulate matter; metro
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Chen, Y.-Y.; Sung, F.-C.; Chen, M.-L.; Mao, I.-F.; Lu, C.-Y. Indoor Air Quality in the Metro System in North Taiwan. Int. J. Environ. Res. Public Health 2016, 13, 1200.

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