Exploring the Spatiotemporal Evolution and Socioeconomic Determinants of PM2.5 Distribution and Its Hierarchical Management Policies in 366 Chinese Cities.

Front Public Health · 2022 · PMC8959385 · PMID 35356011

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an increasing trendno p-value reported

Taking China as an example, it was found that the spatial distribution of PM2.5 concentration showed an increasing trend from the east to the west ( 20 , 21 ), and the spatial autocorrelation and clustering characteristics of 338 cities in China were remarkable ( 22 ).

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