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Could Air Quality Get Better during Epidemic Prevention and Control in China? An Analysis Based on Regression Discontinuity Design

Author

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  • Xinghua Zhao

    (School of Political Science and Public Administration, Shandong University, Qingdao 266237, China)

  • Zheng Cheng

    (School of Political Science and Public Administration, Shandong University, Qingdao 266237, China)

  • Chen Jiang

    (School of Political Science and Public Administration, Shandong University, Qingdao 266237, China)

Abstract

Though many scholars and practitioners are paying more attention to the health and life of the public after the COVID-19 outbreak, extant literature has so far failed to explore the variation of ambient air quality during this pandemic. The current study attempts to fill the gap by disentangling the causal effects of epidemic prevention on air quality in China, measured by the individual pollutant dimensionless index, from other confounding factors. Using the fixed effects model, this article finds that five air indicators, PM 2.5 , PM 10 , CO, NO 2 , and SO 2 , significantly improved during the shutdown period, with NO 2 showing the most improvement. On the contrary, O 3 shows an inverse pattern, that is, O 3 gets worse unexpectedly. The positive impact of epidemic prevention on air quality, especially in terms of PM 2.5 , PM 10 , and NO 2 , become manifest five days after the resumption of labor, indicated by the result of a regression discontinuity design. These findings are still robust and consistent after the dataset of 2019 as a counterfactual sample is utilized. The findings of this paper make contributions to both environmental governance and pandemic prevention, with relevant guidelines regarding the health and life of the public and governmental behavioral management strategies discussed.

Suggested Citation

  • Xinghua Zhao & Zheng Cheng & Chen Jiang, 2021. "Could Air Quality Get Better during Epidemic Prevention and Control in China? An Analysis Based on Regression Discontinuity Design," Land, MDPI, vol. 10(4), pages 1-16, April.
    • Handle: RePEc:gam:jlands:v:10:y:2021:i:4:p:373-:d:530016
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    References listed on IDEAS

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    Cited by:

    1. Yuanyuan Chen & Xinli Ke & Min Min & Yue Zhang & Yaqiang Dai & Lanping Tang, 2022. "Do We Need More Urban Green Space to Alleviate PM 2.5 Pollution? A Case Study in Wuhan, China," Land, MDPI, vol. 11(6), pages 1-16, May.
    2. Beata Bieszk-Stolorz & Krzysztof Dmytrów, 2021. "Impact of Changes to Procedures on the Evaluation of the Effectiveness of Forms of Professional Activation in Poland," Economies, MDPI, vol. 9(2), pages 1-18, June.
    3. Beata Bieszk-Stolorz, 2022. "Impact of Subsidy Programmes on the Development of the Number and Output of RES Micro-Installations in Poland," Energies, MDPI, vol. 15(24), pages 1-14, December.

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