Assessment of Influencing Factors of Nitrogen Dioxide in Shandong, China, Using the Geographical Detector Method
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College of Oceanography and Space Informatics, China University of Petroleum (East China), Qingdao, Shandong, 266580, China
State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101, China
Submission date: 2021-07-25
Final revision date: 2022-01-02
Acceptance date: 2022-01-08
Online publication date: 2022-03-29
Publication date: 2022-06-20
Corresponding author
Huisheng Wu   

College of Oceanography and Space Informatics, China University of Petroleum(East China), China
Pol. J. Environ. Stud. 2022;31(4):3327-3334
To realize a sustainable development strategy, it is important to explore the influencing factors of air pollutants. Daily monitoring data for nitrogen dioxide (NO2) in Shandong Province from 2014 to 2019 were used in the geographical detectors to analyze the influencing factors. Through geographical detection, the action of influencing factors and their interactions on spatial heterogeneity were explored. The main influencing factors of NO2 concentration were the daily temperature range and industrial smoke dust emissions, with q values of 0.4625 and 0.388, respectively, and the interaction effects of most influencing factors were characterized by bilinear enhancement. The interaction between urbanization rate and increases in secondary industry was the strongest, with an average 6-year q value of 0.716, followed by the interaction between the daily temperature range and increases in secondary industry, with a q value of 0.705. NO2 air pollution was more severe in winter than in summer. The results indicate that we should take corresponding measures to control and reduce NO2 air pollution based on the main influencing factors and their spatiotemporal characteristics.
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