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Int. J. Environ. Res. Public Health 2014, 11(12), 12368-12388; doi:10.3390/ijerph111212368

Health Risk Assessment of Inhalable Particulate Matter in Beijing Based on the Thermal Environment

State Key Joint Laboratory of Environmental Simulation and Pollution Control, School of Environment, Beijing Normal University, No. 19, Xinjiekouwai Street, Haidian District, Beijing 100875, China
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Received: 5 July 2014 / Revised: 18 November 2014 / Accepted: 19 November 2014 / Published: 28 November 2014
(This article belongs to the Special Issue Air Pollution Modeling)
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Abstract

Inhalable particulate matter (PM10) is a primary air pollutant closely related to public health, and an especially serious problem in urban areas. The urban heat island (UHI) effect has made the urban PM10 pollution situation more complex and severe. In this study, we established a health risk assessment system utilizing an epidemiological method taking the thermal environment effects into consideration. We utilized a remote sensing method to retrieve the PM10 concentration, UHI, Normalized Difference Vegetation Index (NDVI), and Normalized Difference Water Index (NDWI). With the correlation between difference vegetation index (DVI) and PM10 concentration, we utilized the established model between PM10 and thermal environmental indicators to evaluate the PM10 health risks based on the epidemiological study. Additionally, with the regulation of UHI, NDVI and NDWI, we aimed at regulating the PM10 health risks and thermal environment simultaneously. This study attempted to accomplish concurrent thermal environment regulation and elimination of PM10 health risks through control of UHI intensity. The results indicate that urban Beijing has a higher PM10 health risk than rural areas; PM10 health risk based on the thermal environment is 1.145, which is similar to the health risk calculated (1.144) from the PM10 concentration inversion; according to the regulation results, regulation of UHI and NDVI is effective and helpful for mitigation of PM10 health risk in functional zones. View Full-Text
Keywords: PM10; urban heat island (UHI); remote sensing; health risk PM10; urban heat island (UHI); remote sensing; health risk
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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Xu, L.-Y.; Yin, H.; Xie, X.-D. Health Risk Assessment of Inhalable Particulate Matter in Beijing Based on the Thermal Environment. Int. J. Environ. Res. Public Health 2014, 11, 12368-12388.

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