Air pollution characteristics in China during 2015-2016: Spatiotemporal variations and key meteorological factors

The Science of the Total Environment
Rui LiJianmin Chen

Abstract

With rapid economic development and urbanization, China has suffered from severe and persistent air pollution during the past years. In the work, the hourly data of PM2.5, PM10, SO2, NO2, CO, and O3 in all of the prefecture-level cities (336 cities) during 2015-2016 were collected to uncover the spatiotemporal variations and influential factors of these pollutants in China. The average concentrations of PM2.5, PM10, SO2, NO2, and CO decreased by 19.32%, 15.34%, 29.30%, 9.39%, and 8.00% from 2015 to 2016, suggesting the effects of efficient control measurements during this period. On the contrary, the O3 concentration increased by 4.20% during the same period, which mainly owed to high volatile organic compounds (VOCs) loading. The concentrations of PM2.5, PM10, SO2, CO and NO2 showed the highest and the lowest ones in winter and summer, respectively. However, the O3 concentration peaked in summer, followed by ones in spring and autumn, and presented the lowest one in winter. All of the pollutants exhibited significantly weekly and diurnal cycle in China. PM2.5, PM10, SO2, CO and NO2 presented the higher concentrations on weekdays than those at weekends, all of which showed the bimodal pattern with two peaks at late night (21:00...Continue Reading

Citations

Sep 25, 2019·International Journal of Environmental Research and Public Health·Liang ChengTing Zhang
Sep 8, 2019·Environmental Science and Pollution Research International·Pingping LiuHongmei Xu
Nov 2, 2019·European Journal of Preventive Cardiology·Hisato TakagiUNKNOWN ALICE (All-Literature Investigation of Cardiovascular Evidence) Group
Oct 30, 2020·Environmental Pollution·Dipesh RupakhetiShichang Kang
Mar 18, 2020·Environmental Pollution·Licheng ZhangYanxia Luo
Aug 25, 2020·Journal of Cleaner Production·Zhongfei ChenFanglin Chen
Jan 24, 2021·Environmental Science and Pollution Research International·Lulu CuiYing Chen
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May 1, 2021·Frontiers in Public Health·Luigi De MariaLuigi Vimercati
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May 25, 2021·Air Quality, Atmosphere, & Health·Chenkai ZhaoMiao He
Jul 30, 2021·The Science of the Total Environment·Yiming LiuGuy P Brasseur

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