Assessment of population exposure to particulate matter pollution in Chongqing, China

作者：Wang Shuxiao^*; Zhao Yu; Chen Gangcai; Wang Fei; Aunan Kristin; Hao Jiming

来源：Environmental Pollution, 2008, 153(1): 247-256.

DOI：10.1016/j.envpol.2007.07.030

• PM10
• population exposure
• indoor air pollution
• time activity patterns
• health risk zones

To determine the population exposure to PM10 in Chongqing, China, we developed an indirect model by combining information on the time activity patterns of various demographic subgroups with estimates of the PM10 concentrations in different microenviromments (MEs). The spatial and temporal variations of the exposure to PM10 were illustrated in a geographical information system (GIs). The population weighted exposure (PWE) for the entire Population was 229, 155 and 211 mu g/m(3), respectively, in winter, summer and as the annual average. Indoor PM10 level at home was the largest contributor to the PWE, especially for the rural areas where high pollution levels were found due to solid fuels burning. Elder people had higher PM10 exposure than adults and Youth, due to more time spent in indoor MEs. The highest health risk due to particulate was found in the city zone and northeast regions, suggesting that Pollution abatement should be prioritized in these areas.

• 出版日期2008-5
• 单位重庆市环境科学研究院; 清华大学