Association between particulate matter and its chemical constituents of urban air pollution and daily mortality or morbidity in Beijing City

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• 作者：Pei Li ; Jinyuan Xin ; Yuesi Wang ; Guoxing Li…
• 关键词：Air pollution ; Chemical constituents ; Mortality ; Morbidity ; Particulate matter ; PM2.5 ; Time series ; Beijing
• 刊名：Environmental Science and Pollution Research
• 出版年：2015
• 出版时间：January 2015
• 年：2015
• 卷：22
• 期：1
• 页码：358-368
• 全文大小：406 KB
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• 刊物类别：Earth and Environmental Science
• 刊物主题：Environment
  Environment
  Atmospheric Protection, Air Quality Control and Air Pollution
  Waste Water Technology, Water Pollution Control, Water Management and Aquatic Pollution
  Industrial Pollution Prevention
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1614-7499

文摘

Recent time series studies have indicated that daily mortality and morbidity are associated with particulate matters. However, about the relative effects and its seasonal patterns of fine particulate matter constituents is particularly limited in developing Asian countries. In this study, we examined the role of particulate matters and its key chemical components of fine particles on both mortality and morbidity in Beijing. We applied several overdispersed Poisson generalized nonlinear models, adjusting for time, day of week, holiday, temperature, and relative humidity, to investigate the association between risk of mortality or morbidity and particulate matters and its constituents in Beijing, China, for January 2005 through December 2009. Particles and several constituents were associated with multiple mortality or morbidity categories, especially on respiratory health. For a 3-day lag, the nonaccident mortality increased by 1.52, 0.19, 1.03, 0.56, 0.42, and 0.32?% for particulate matter (PM)2.5, PM10, K+, SO4 2?/sup>, Ca2+, and NO3 ?/sup> based on interquartile ranges of 36.00, 64.00, 0.41, 8.75, 1.43, and 2.24?μg/m3, respectively. The estimates of short-term effects for PM2.5 and its components in the cold season were 1?~- times higher than that in the full year on these health outcomes. Most of components had stronger adverse effects on human health in the heavy PM2.5 mass concentrations, especially for K+, NO3 ?/sup>, and SO4 2?/sup>. This analysis added to the growing body of evidence linking PM2.5 with mortality or morbidity and indicated that excess risks may vary among specific PM2.5 components. Combustion-related products, traffic sources, vegetative burning, and crustal component and resuspended road dust may play a key role in the associations between air pollution and public health in Beijing.