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Reductions of PM2.5 in Beijing--Tianjin--Hebei Urban Agglomerations during the 2008 Olympic Games


doi: 10.1007/s00376-012-1227-4

  • The Atmospheric Environmental Monitoring Network successfully undertook the task of monitoring the atmospheric quality of Beijing and its surrounding area during the 2008 Olympics. The results of this monitoring show that high concentrations of PM2.5 pollution exhibited a regional pattern during the monitoring period (1 June--30 October 2008). The PM2.5 mass concentrations were 53 μg m-3, 66 μg m-3, and 82 μg m-3 at the background site, in Beijing, and in the Beijing--Tianjin--Hebei urban agglomerations, respectively. The PM2.5 levels were lowest during the 2008 Olympic Games (8--24 August): 35 μg m-3 at the background site, 42 μg m-3 in Beijing and 57 μg m-3 in the region. These levels represent decreases of 49%, 48%, and 56%, respectively, compared to the prophase mean concentration before the Olympic Games. Emission control measures contributed 62%--82% of the declines observed in Beijing, and meteorological conditions represented 18%--38%. The concentration of fine particles met the goals set for a ``Green Olympics".
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    [2] SUN Yang, WANG Yuesi, ZHANG Changchun, 2010: Vertical Observations and Analysis of PM2.5, O3, and NOx at Beijing and Tianjin from Towers during Summer and Autumn 2006, ADVANCES IN ATMOSPHERIC SCIENCES, 27, 123-136.  doi: 10.1007/s00376-009-8154-z
    [3] Bo Li, Disong Fu, Ling YANG, Xuehua Fan, Dazhi Yang, Hongrong Shi, Xiang-Ao XIA, 2024: Joint Retrieval of PM2.5 Concentration and Aerosol Optical Depth over China Using Multi-Task Learning on FY-4A AGRI, ADVANCES IN ATMOSPHERIC SCIENCES.  doi: 10.1007/s00376-024-3222-y
    [4] Lan GAO, Xu YUE, Xiaoyan MENG, Li DU, Yadong LEI, Chenguang TIAN, Liang QIU, 2020: Comparison of Ozone and PM2.5 Concentrations over Urban, Suburban, and Background Sites in China, ADVANCES IN ATMOSPHERIC SCIENCES, 37, 1297-1309.  doi: 10.1007/s00376-020-0054-2
    [5] YU Jianhua, CHEN Tian, Benjamin GUINOT, Helene CACHIER, YU Tong, LIU Wenqing, WANG Xin, 2006: Characteristics of Carbonaceous Particles in Beijing During Winter and Summer 2003, ADVANCES IN ATMOSPHERIC SCIENCES, 23, 468-473.  doi: 10.1007/s00376-006-0468-5
    [6] YANG Fumo, Jeffrey BROOK, HE Kebin, DUAN Fengkui, MA Yongliang, 2010: Temporal Variability in Fine Carbonaceous Aerosol over Two Years in Two Megacities: Beijing and Toronto, ADVANCES IN ATMOSPHERIC SCIENCES, 27, 705-714.  doi: 10.1007/s00376-009-9103-6
    [7] Nan WANG, Zhenhao LING, Xuejiao DENG, Tao DENG, Xiaopu LYU, Tingyuan LI, Xiaorong GAO, Xi CHEN, 2018: Source Contributions to PM2.5 under Unfavorable Weather Conditions in Guangzhou City, China, ADVANCES IN ATMOSPHERIC SCIENCES, 35, 1145-1159.  doi: 10.1007/s00376-018-7212-9
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Manuscript History

Manuscript received: 10 November 2012
Manuscript revised: 10 November 2012
通讯作者: 陈斌, bchen63@163.com
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Reductions of PM2.5 in Beijing--Tianjin--Hebei Urban Agglomerations during the 2008 Olympic Games

  • 1. The State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029;The State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029;The State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029;The State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029;The State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029;The State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029;The State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029

Abstract: The Atmospheric Environmental Monitoring Network successfully undertook the task of monitoring the atmospheric quality of Beijing and its surrounding area during the 2008 Olympics. The results of this monitoring show that high concentrations of PM2.5 pollution exhibited a regional pattern during the monitoring period (1 June--30 October 2008). The PM2.5 mass concentrations were 53 μg m-3, 66 μg m-3, and 82 μg m-3 at the background site, in Beijing, and in the Beijing--Tianjin--Hebei urban agglomerations, respectively. The PM2.5 levels were lowest during the 2008 Olympic Games (8--24 August): 35 μg m-3 at the background site, 42 μg m-3 in Beijing and 57 μg m-3 in the region. These levels represent decreases of 49%, 48%, and 56%, respectively, compared to the prophase mean concentration before the Olympic Games. Emission control measures contributed 62%--82% of the declines observed in Beijing, and meteorological conditions represented 18%--38%. The concentration of fine particles met the goals set for a ``Green Olympics".

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