Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/31218
Title: Impact of emission control on regional air quality : an observational study of air pollutants before, during and after the Beijing Olympic Games
Authors: Wang, S
Gao, J
Zhang, Y
Zhang, J
Cha, F
Wang, T 
Ren, C
Wang, W
Keywords: Air
Beijing Olympic Games
Fine particle
Ozone
Primary pollutants
Issue Date: 2014
Publisher: Elsevier
Source: Journal of environmental sciences, 2014, v. 26, no. 1, p. 175-180 How to cite?
Journal: Journal of environmental sciences 
Abstract: 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 O3 precursors (NOx and VOCs) were well controlled during the Olympic season, O3 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 O3 and fine particulate pollution, and not only in Beijing, but also in the Beijing-Tianjin-Hebei region.
URI: http://hdl.handle.net/10397/31218
ISSN: 1001-0742
EISSN: 1878-7320
DOI: 10.1016/S1001-0742(13)60395-2
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