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

Guo, J., Wu, X., Guo, Y., Tang, Y. and Dzandu, M. D. 2021. Spatiotemporal impact of major events on air quality based on spatial differences-in-differences model: big data analysis from China. Natural Hazards. https://doi.org/10.1007/s11069-021-04517-y

TitleSpatiotemporal impact of major events on air quality based on spatial differences-in-differences model: big data analysis from China
TypeJournal article
AuthorsGuo, J., Wu, X., Guo, Y., Tang, Y. and Dzandu, M. D.
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.

KeywordsUrban air quality, Propensity score matching, Spatial differences-indifferences, Major events
JournalNatural Hazards
ISSN1573-0840
Year2021
PublisherSpringer Nature
Publisher's version
Digital Object Identifier (DOI)https://doi.org/10.1007/s11069-021-04517-y
Web address (URL)http://link.springer.com/article/10.1007/s11069-021-04517-y
Publication dates
Published01 Feb 2021
Supplemental file
File Access Level
Open (open metadata and files)

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