{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,11]],"date-time":"2026-01-11T02:05:28Z","timestamp":1768097128567,"version":"3.49.0"},"reference-count":36,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2011,1,1]],"date-time":"2011-01-01T00:00:00Z","timestamp":1293840000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["30821003"],"award-info":[{"award-number":["30821003"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["41071151"],"award-info":[{"award-number":["41071151"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["40771188"],"award-info":[{"award-number":["40771188"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["acsess.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Env Quality"],"published-print":{"date-parts":[[2011,1]]},"abstract":"<jats:p>Air pollution has become one of the main environmental concerns in China since the 1980s due to China's rapid economic growth and resultant pollution. However, it is difficult to directly evaluate the anthropogenic contribution to air pollution in China. The 2008 Olympic Games in Beijing provided a unique opportunity for testing the contribution of anthropogenic pollution because of the clean\u2010up controls on air quality in Beijing enforced over the period of the Games. In this case study, we monitored the concentrations of major air pollutants before, during, and after the Olympics at a suburban site in Beijing. Atmospheric concentrations of PM<jats:sub>10<\/jats:sub>, PM<jats:sub>2.5<\/jats:sub>, NH<jats:sub>3<\/jats:sub>, NO<jats:sub>2<\/jats:sub>, SO<jats:sub>2<\/jats:sub>, and the particulate ions NH<jats:sub>4<\/jats:sub><jats:sup>+<\/jats:sup>, NO<jats:sub>3<\/jats:sub><jats:sup>\u2212<\/jats:sup>, SO<jats:sub>4<\/jats:sub><jats:sup>2\u2212<\/jats:sup>, Ca<jats:sup>2+<\/jats:sup>, Mg<jats:sup>2+<\/jats:sup>, and K<jats:sup>+<\/jats:sup> all decreased during the Olympic period because of strict emission controls, compared with the same period from 2005 to 2007. For example, the average PM<jats:sub>10<\/jats:sub> concentration (61 \u03bcg m<jats:sup>\u22123<\/jats:sup>) during the Olympics was only 37% of that (166 \u03bcg m<jats:sup>\u22123<\/jats:sup>) in the same month (August) from 2005 to 2007. However, just 1 mo and 1 yr after the Games had ended, mean concentrations of these pollutants had increased significantly again. This rapid \u201crecovery\u201d of air pollutant concentrations after the Olympics suggests that China needs to implement long\u2010lasting decreases in its air pollution in Beijing and other major cities.<\/jats:p>","DOI":"10.2134\/jeq2010.0360","type":"journal-article","created":{"date-parts":[[2010,12,28]],"date-time":"2010-12-28T12:32:45Z","timestamp":1293539565000},"page":"37-45","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":43,"title":["Impacts of Pollution Controls on Air Quality in Beijing during the 2008 Olympic Games"],"prefix":"10.1002","volume":"40","author":[{"given":"Jianlin","family":"Shen","sequence":"first","affiliation":[{"name":"College of Resources and Environmental Sciences, China Agricultural Univ. Beijing 100193 China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aohan","family":"Tang","sequence":"additional","affiliation":[{"name":"College of Resources and Environmental Sciences, China Agricultural Univ. Beijing 100193 China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xuejun","family":"Liu","sequence":"additional","affiliation":[{"name":"College of Resources and Environmental Sciences, China Agricultural Univ. Beijing 100193 China"},{"name":"Xinjiang Institute of Ecology and Geology, CAS"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jenny","family":"Kopsch","sequence":"additional","affiliation":[{"name":"Institute for Landscape and Plant Ecology, Univ. of Hohenheim 70593 Stuttgart Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andreas","family":"Fangmeier","sequence":"additional","affiliation":[{"name":"Institute for Landscape and Plant Ecology, Univ. of Hohenheim 70593 Stuttgart Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Keith","family":"Goulding","sequence":"additional","affiliation":[{"name":"Dep. of Soil Science, Rothamsted Research Harpenden Herts AL5 2JQ UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fusuo","family":"Zhang","sequence":"additional","affiliation":[{"name":"College of Resources and Environmental Sciences, China Agricultural Univ. 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