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Volume 14
Issue 12
10.3390/atmos14121774
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Article

Positive Effect Observed on Reducing Criteria Pollutant Emissions Provided by Provisional Local Regulations during the 2022 Winter Olympics

by
Zongwen Shi
1,
Zhoupeng Ren
2,*,
Junfu Fan
1,2,*,
Jiwei Zuo
1,
Yu Gao
1 and
Fulu Wei
3
1
School of Civil Engineering and Geomatics, Shandong University of Technology, Zibo 255000, China
2
State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
3
School of Transportation and Vehicle Engineering, Shandong University of Technology, Zibo 255000, China
*
Authors to whom correspondence should be addressed.
Atmosphere 2023, 14(12), 1774; https://doi.org/10.3390/atmos14121774
Submission received: 11 October 2023 / Revised: 4 November 2023 / Accepted: 28 November 2023 / Published: 30 November 2023
(This article belongs to the Special Issue Comprehensive Air Pollution Control and Air Quality Management)
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Abstract

This study examined the impact of temporary air quality control measures on reducing pollutants during the 2022 Winter Olympics in China, utilizing real-time monitoring data from 2017 and 2022 to assess spatial and temporal variations in critical air pollutant concentrations. The results showed that concentrations of PM2.5, PM10, CO, SO2, and NO2 in the Beijing–Tianjin–Hebei region during the Olympic Games showed a marked decrease compared to the historical period, with reductions of 36.59%, 20.35%, 33.95%, 28.90%, and 22.70%, respectively. Significant north–south spatial differences were observed in Beijing, Tianjin, and Hebei Province during the Olympic period. The cities of Zhangjiakou, Chengde, Qinhuangdao, Beijing, and Tangshan showed the most significant pollution reduction. Based on assessments conducted during the Olympic period, it was noted that more than 95% of the daily average concentrations of pollutants are below the maximum values set by the World Health Organization for the interim target. Our research shows that provisional regulations effectively control the emission of air pollutants, providing a solid reference and basis for ensuring air quality during major international events.
Keywords: 2022 Winter Olympics; air pollutants; particulate matter; influencing factor; combined indicators; pollution control effectiveness 2022 Winter Olympics; air pollutants; particulate matter; influencing factor; combined indicators; pollution control effectiveness

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MDPI and ACS Style

Shi, Z.; Ren, Z.; Fan, J.; Zuo, J.; Gao, Y.; Wei, F. Positive Effect Observed on Reducing Criteria Pollutant Emissions Provided by Provisional Local Regulations during the 2022 Winter Olympics. Atmosphere 2023, 14, 1774. https://doi.org/10.3390/atmos14121774

AMA Style

Shi Z, Ren Z, Fan J, Zuo J, Gao Y, Wei F. Positive Effect Observed on Reducing Criteria Pollutant Emissions Provided by Provisional Local Regulations during the 2022 Winter Olympics. Atmosphere. 2023; 14(12):1774. https://doi.org/10.3390/atmos14121774

Chicago/Turabian Style

Shi, Zongwen, Zhoupeng Ren, Junfu Fan, Jiwei Zuo, Yu Gao, and Fulu Wei. 2023. "Positive Effect Observed on Reducing Criteria Pollutant Emissions Provided by Provisional Local Regulations during the 2022 Winter Olympics" Atmosphere 14, no. 12: 1774. https://doi.org/10.3390/atmos14121774

APA Style

Shi, Z., Ren, Z., Fan, J., Zuo, J., Gao, Y., & Wei, F. (2023). Positive Effect Observed on Reducing Criteria Pollutant Emissions Provided by Provisional Local Regulations during the 2022 Winter Olympics. Atmosphere, 14(12), 1774. https://doi.org/10.3390/atmos14121774

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