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The positive impact of the Omicron pandemic lockdown on air quality and human health in cities around Shanghai

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  • Yu Wang

    (University of Shanghai for Science and Technology)

  • Qingqing Ge

    (Yancheng Teachers University)

Abstract

The Omicron pandemic broke out in Shanghai in March 2022, and some infected people spread to some cities in the Yangtze River Delta (YRD) region. To achieve the dynamic zero-COVID target as soon as possible, Shanghai and nine cities that were heavily affected by Shanghai implemented the lockdown measures. This paper aims to quantify the impact of the lockdown on air quality and human health. A difference-in-difference (DID) model was first used to measure the impact of the lockdown on air quality in these ten cities. Based on the results of the DID model, we estimated the PM2.5-related health and economic benefits using the concentration–response function and the value of statistical life method. Results showed that the lockdown has reduced the concentrations of PM2.5, PM10, SO2, NO2, and CO by 9.87 μg/m3, 17.31 μg/m3, 0.75 μg/m3, 9.03 μg/m3, and 0.07 mg/m3, respectively. The number of avoided premature deaths due to PM2.5 reduction was estimated to be 35,342. The resulting economic benefits totaled 18.86 billion US dollars. We investigated the reasons for the air quality improvement in these ten cities and found the “3 + 11” policy has had a great impact on air quality. Compared with the first COVID-19 lockdown in early 2020, the effect of the lockdown in 2022 was smaller. These findings demonstrated that reductions in anthropogenic emissions would achieve substantial air quality improvement and health benefits. This paper re-emphasized continuous efforts to improve air quality are essential to protect public health.

Suggested Citation

  • Yu Wang & Qingqing Ge, 2024. "The positive impact of the Omicron pandemic lockdown on air quality and human health in cities around Shanghai," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 26(4), pages 8791-8816, April.
    • Handle: RePEc:spr:endesu:v:26:y:2024:i:4:d:10.1007_s10668-023-03071-w
    DOI: 10.1007/s10668-023-03071-w
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    References listed on IDEAS

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    1. Wang, Junfeng & Xu, Xiaoya & Wang, Shimeng & He, Shutong & He, Pan, 2021. "Heterogeneous effects of COVID-19 lockdown measures on air quality in Northern China," Applied Energy, Elsevier, vol. 282(PA).
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    5. Biswajit Bera & Sumana Bhattacharjee & Pravat Kumar Shit & Nairita Sengupta & Soumik Saha, 2021. "Significant impacts of COVID-19 lockdown on urban air pollution in Kolkata (India) and amelioration of environmental health," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 23(5), pages 6913-6940, May.
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