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Int. J. Environ. Res. Public Health 2017, 14(9), 979; doi:10.3390/ijerph14090979

Investigation on Indoor Air Pollution and Childhood Allergies in Households in Six Chinese Cities by Subjective Survey and Field Measurements

1
College of Civil Engineering, Hunan University, Changsha 410082, China
2
College of Civil Engineering, Dalian University of Technology, Dalian 116024, China
3
School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150001, China
4
College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China
5
School of Naval Architecture, Ocean & Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
*
Author to whom correspondence should be addressed.
Received: 26 June 2017 / Revised: 16 August 2017 / Accepted: 24 August 2017 / Published: 29 August 2017
(This article belongs to the Section Environmental Health)
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Abstract

Greater attention is currently being paid to the relationship between indoor environment and childhood allergies, however, the lack of reliable data and the disparity among different areas hinders reliable assessment of the relationship. This study focuses on the effect of indoor pollution on Chinese schoolchildren and the relationship between specific household and health problems suffered. The epidemiological questionnaire survey and the field measurement of the indoor thermal environment and primary air pollutants including CO2, fine particulate matter (PM2.5), chemical pollutants and fungi were performed in six Chinese cities. A total of 912 questionnaires were eligible for statistical analyses and sixty houses with schoolchildren aged 9–12 were selected for field investigation. Compared with Chinese national standards, inappropriate indoor relative humidity (<30% or >70%), CO2 concentration exceeding 1000 ppm and high PM2.5 levels were found in some monitored houses. Di(2-ethylhexyl) phthalate (DEHP) and dibutyl phthalate (DBP) were the most frequently detected semi-volatile organic compounds (SVOCs) in house dust. Cladosporium, Aspergillus and Penicillium were detected in both indoor air and house dust. This study indicates that a thermal environment with CO2 exceeding 1000 ppm, DEHP and DBP exceeding 1000 μg/g, and high level of PM2.5, Cladosporium, Aspergillus and Penicillium increases the risk of children’s allergies. View Full-Text
Keywords: indoor pollution; schoolchildren; allergic diseases; field investigation; fine particulate matter (PM2.5); semi-volatile organic compounds (SVOCs); fungi indoor pollution; schoolchildren; allergic diseases; field investigation; fine particulate matter (PM2.5); semi-volatile organic compounds (SVOCs); fungi
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Hu, J.; Li, N.; Lv, Y.; Liu, J.; Xie, J.; Zhang, H. Investigation on Indoor Air Pollution and Childhood Allergies in Households in Six Chinese Cities by Subjective Survey and Field Measurements. Int. J. Environ. Res. Public Health 2017, 14, 979.

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