Impact of emission control on regional air quality: An observational study of air pollutants before, during and after the Beijing Olympic Games

被引:32
作者
Wang, Shulan [1 ]
Gao, Jian [1 ]
Zhang, Yuechong [1 ]
Zhang, Jingqiao [1 ]
Cha, Fahe [1 ]
Wang, Tao [2 ]
Ren, Chun [1 ]
Wang, Wenxing [1 ]
机构
[1] Chinese Res Inst Environm Sci, State Key Lab Environm Criteria & Risk Assessment, Being 100012, Peoples R China
[2] Hong Kong Polytech Univ, Dept Civil & Structrual Engn, Hong Kong, Hong Kong, Peoples R China
关键词
Beijing Olympic Games; primary pollutants; ozone; fine particle; air; CHINA; PM2.5; POLLUTION; OZONE;
D O I
10.1016/S1001-0742(13)60395-2
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
An observational study on trace gases and PM2.5 was conducted at three sites in and around Beijing, during the Olympic season from 2007 to 2009. Air quality improved significantly during the Olympic Games due to the special emission control measures. However, concentrations of the primary pollutants and PM were found to have risen significantly after the Games. Although the major O-3 precursors (NOx and VOCs) were well controlled during the Olympic season, O-3 was still found to be the highest in 2008, based on the data of ground-based observation. All this information suggests that while control of regional emissions for the Beijing Olympic Games did improved the air quality in Beijing, more efforts will be needed for the continuous improvement of regional air quality, especially for significant reductions of O-3 and fine particulate pollution, and not only in Beijing, but also in the Beijing-Tianjin-Hebei region.
引用
收藏
页码:175 / 180
页数:6
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