Local PM2.5 and O3 Ambient Air Quality Targets Setting Study in Lishui, China
International Journal of Environmental Monitoring and Analysis
Volume 8, Issue 3, June 2020, Pages: 50-58
Received: Jul. 20, 2020;
Published: Jul. 22, 2020
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Shuping Pan, Zhejiang Environmental Monitoring Center, Hangzhou, China
Shengjun Zhang, Zhejiang Environmental Monitoring Center, Hangzhou, China
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2021 will be the first year of China’s 14th Five-year period, and all cities have been working on making new local environmental protection plans. To further improve air quality, reduce smog, and control ozone pollution, many cities intend to set more stringent local air quality targets than the national requirements. However, how to set a reasonable and attainable air quality targets is very important because the targets have impacts not only on the welfare of local residents, but also on the local economy. This work presents a comprehensive approach to set reasonable local air quality targets. This approach has been applied to determine PM2.5 and O3 ambient concentration targets for Lishui city in its 14th Five-year Environmental Protection Plan. In this study, five years monitoring data of PM2.5 and O3 from year 2014 to 2018 in Lishui was collected and analyzed to assess the status quo and trends of its air quality. Then the concentration distribution of PM2.5 and O3 in Lishui surrounding cities and counties in Zhejiang Province were also analyzed and the possible impacts on Lishui city were evaluated. Moreover, PM2.5 and O3 air quality standards in other developed countries were reviewed and compared with Chinese current standards to assist the setting of appropriate ambient air quality targets. Based on the analysis, three-year sliding average concentration of PM2.5 and O3 are included in Lishui’s annual air quality targets for the first time, and different air quality targets are set for both the whole city and each specific area of Lishui city.
PM2.5, O3, Ambient Air Quality Target, Annual Average Concentration
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Local PM2.5 and O3 Ambient Air Quality Targets Setting Study in Lishui, China, International Journal of Environmental Monitoring and Analysis.
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