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Analysis of Spatio-Temporal Variation Characteristics of Main Air Pollutants in Shijiazhuang City

Author

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  • Yue Tui

    (College of New Energy and Environment, Jilin University, Changchun 130012, China)

  • Jiaxin Qiu

    (College of New Energy and Environment, Jilin University, Changchun 130012, China)

  • Ju Wang

    (College of New Energy and Environment, Jilin University, Changchun 130012, China)

  • Chunsheng Fang

    (College of New Energy and Environment, Jilin University, Changchun 130012, China)

Abstract

Air pollution has become one of the important concerns of environmental pollution in the Beijing–Tianjin–Hebei region. As an important city in Beijing–Tianjin–Hebei, Shijiazhuang has long been ranked in the bottom ten in terms of air quality in the country. In order to effectively grasp the influencing factors and current distribution of air pollution in Shijiazhuang City, this paper collects data on the top air pollutants in Shijiazhuang from 2017 to 2019, analyzes the characteristics of time changes in the region, and uses the Kriging interpolation method to affect the air pollutants in this area. The spatial distribution characteristics are studied. The results show (1) From 2017 to 2019, the environmental quality of Shijiazhuang City showed a decreasing trend except for O 3 . (2) Seasonal changes show that NO 2 , PM 2.5 , and CO show as winter > autumn > spring > summer, PM 10 , SO 2 show as winter > spring > autumn > summer, and O 3 concentration changes as summer > spring > autumn > winter. (3) The daily change trends of NO 2 , SO 2 , PM 10 and PM 2.5 are similar, while the change trends of O 3 and NO 2 are opposite. (4) The correlations between air quality index (AQI) and concentrations suggest that PM 10 , PM 2.5 , and CO contribute the most to undesirable pollution levels in this area, while NO 2 , SO 2 , and O 3 contribute less to undesirable pollution. We have concluded that the particulate pollution in Shijiazhuang City has been effectively controlled, thanks to the relevant measures introduced by the government, but the O 3 -based compound pollution is gradually increasing, so particulate pollution and O 3 pollution need to be treated together. The research results of this article have important practical significance for urban or regional air environment monitoring and prevention.

Suggested Citation

  • Yue Tui & Jiaxin Qiu & Ju Wang & Chunsheng Fang, 2021. "Analysis of Spatio-Temporal Variation Characteristics of Main Air Pollutants in Shijiazhuang City," Sustainability, MDPI, vol. 13(2), pages 1-17, January.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:2:p:941-:d:482464
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    References listed on IDEAS

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    1. Wenju Cai & Ke Li & Hong Liao & Huijun Wang & Lixin Wu, 2017. "Weather conditions conducive to Beijing severe haze more frequent under climate change," Nature Climate Change, Nature, vol. 7(4), pages 257-262, April.
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    Cited by:

    1. Chunsheng Fang & Zhuoqiong Li & Weihao Shi & Ju Wang, 2023. "Analysis of Pollution Characteristics and Emissions Reduction Measures in the Main Cotton Area of Xinjiang," IJERPH, MDPI, vol. 20(3), pages 1-14, January.
    2. Yuting Xue & Kai Liu, 2022. "Regional Differences, Distribution Dynamics, and Convergence of Air Quality in Urban Agglomerations in China," Sustainability, MDPI, vol. 14(12), pages 1-20, June.

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