Synergistic Evolution of PM 2.5 and O 3 Concentrations: Evidence from Environmental Kuznets Curve Tests in the Yellow River Basin

Guangzhi Qi, Yi Miao, Fucong Xie, Chao Teng, Chengxin Wang () and Zhibao Wang ()
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Guangzhi Qi: College of Geography and Environment, Shandong Normal University, Jinan 250358, China
Yi Miao: College of Geography and Environment, Shandong Normal University, Jinan 250358, China
Fucong Xie: International Department, Shandong Experimental High School, Jinan 250116, China
Chao Teng: College of Geography and Environment, Shandong Normal University, Jinan 250358, China
Chengxin Wang: College of Geography and Environment, Shandong Normal University, Jinan 250358, China
Zhibao Wang: College of Geography and Environment, Shandong Normal University, Jinan 250358, China

Sustainability, 2024, vol. 16, issue 11, 1-21

Abstract: Air pollution, especially the synergistic pollution of PM 2.5 and O 3 , poses a severe threat to human life and production. The synergistic formation mechanism of PM 2.5 and O 3 pollution is relatively confirmed, while research on their spatiotemporal synergy is urgent. Based on remotely sensed interpretation data from 90 cities in the Yellow River Basin, we analyzed the synergistic evolution of PM 2.5 and O 3 concentrations during 2013–2020. Combined with the environmental Kuznets curve, we performed factor analysis using a panel regression model. The synergistic evolution pattern shows a gradual decrease in PM 2.5 concentration and a gradual increase in O 3 concentration. There is a strong spatial auto-correlation in the two pollutants’ concentrations. The relationship between economy and PM 2.5 concentration shows an “N-shaped” curve, while that between O 3 concentration and economic development presents an inverse “N-shaped” curve. The environmental Kuznets curve shows that the deterioration of O 3 pollution takes place later than the mitigation of PM 2.5 pollution. Various factors have obvious heterogeneous effects on PM 2.5 and O 3 concentrations. Meanwhile, the sensitivity effect of per capita GDP on PM 2.5 concentration in the midstream region is stronger than that in the upstream region, while the sensitivity effect of per capita GDP on O 3 concentration is strongest in the midstream region than that in upstream and downstream region.

Keywords: PM 2.5 concentration; O 3 concentration; synergistic evolution; environmental Kuznets curve; Yellow River Basin (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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