Spatiotemporal impact of major events on air quality based on spatial differences‑in‑differences model: big data analysis from ChinaGuo, J., Wu, X., Guo, Y., Dzandu, M. and Tang, Y. (2021) Spatiotemporal impact of major events on air quality based on spatial differences‑in‑differences model: big data analysis from China. Natural Hazards, 107 (3). pp. 2583-2604. ISSN 1573-0840
It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing. To link to this item DOI: 10.1007/s11069-021-04517-y Abstract/SummaryIn 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.
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