The pollution characteristics of PM2.5 and correlation analysis with meteorological parameters in Xinxiang during the Shanghai Cooperation Organization Prime Ministers' Meeting

Environmental Geochemistry and Health
Jinglan FengQilu Li

Abstract

The pollution characteristics of PM2.5 and correlation analysis with meteorological parameters in Xinxiang during the Shanghai Cooperation Organization Prime Ministers' Meeting were investigated. During the whole meeting, nine PM2.5 samples were collected at a suburban site of Xinxiang, and the average concentration of PM2.5 was 122.28 μg m-3. NO3-, NH4+, SO42- accounted for 56.8% of the total water-soluble ions. In addition, with an exception of Cl-, all of water-soluble ions decreased during the meeting. Total concentrations of crustal elements ranged from 6.53 to 185.86 μg m-3, with an average concentration of 52.51 μg m-3, which accounted for 82.5% of total elements. The concentrations of organic carbon and elemental carbon were 7.71 and 1.52 μg m-3, respectively, lower than those before and after the meeting. It is indicated that during the meeting, limiting motor vehicles is to reduce exhaust emissions, delay heating is to reduce the fossil fuel combustion, and other measures are to reduce the concentration of PM2.5. The directly dispersing by mixing layer height increase and the indirectly reducing the formation of secondary aerosol by low relative humidity, and these are the only two key removing mechanisms of PM2.5 in ...Continue Reading

References

Jun 21, 2002·Journal of the Air & Waste Management Association·John G Watson
Apr 16, 2013·The Science of the Total Environment·Zhenquan SunLongyi Shao
Oct 22, 2013·The Science of the Total Environment·Ye WuJiming Hao
May 8, 2014·Journal of Hazardous Materials·Kang-Yun LeeHsiao-Chi Chuang
Aug 8, 2015·International Journal of Environmental Research and Public Health·Jianhua Wang, Susumu Ogawa

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Citations

Apr 1, 2018·Environmental Geochemistry and Health·Rakesh Kumar SahuYasmeen Fatima Pervez
Dec 24, 2018·Environmental Research·Mohsen Ansari, Mohammad Hassan Ehrampoush

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