Spatiotemporal impact of major events on air quality based on spatial differences-in-differences model: big data analysis from China

Ji Guo (), Xianhua Wu (), Yingying Guo (), Yinshan Tang () and Michael D. Dzandu ()
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Ji Guo: Shanghai Maritime University
Xianhua Wu: Shanghai Maritime University
Yingying Guo: China united network communication Co., LTD.
Yinshan Tang: University of Reading
Michael D. Dzandu: University of Reading

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2021, vol. 107, issue 3, No 26, 2583-2604

Abstract: Abstract In an attempt to investigate the impact of major events on urban air quality in terms of the extent, duration and spatial scope, data on the daily air quality index and the concentrations of individual pollutants are collected in 140 cities of China from January 2, 2015, to November 28, 2017. Based on a spatial differences-in-differences, the impact of major events, such as political conferences, sporting events at the national level, on urban air quality in the dimensions of time and space are explored. It is concluded that major events not only affected the air quality of the host city, but also exercised influence on the air quality of the surrounding areas. Recommendations for mitigating the impact of major events on urban air quality have been proposed, such as establish regional atmospheric environment management system and formulate regional unified standards for pollutant discharge, industrial access and law enforcement.

Keywords: Urban air quality; Propensity score matching; Spatial differences-in-differences; Major events (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1007/s11069-021-04517-y

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