Analysis on Spatio-Temporal Evolution and Influencing Factors of Air Quality Index (AQI) in China.

Toxics · 2022 · PMC9781075 · PMID 36548545

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showed a trendno p-value reported

(2014) [ 37 ] analyzed the air quality in Wuhan and found that the AQI values in Wuhan showed a trend of gradual decline.

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a decreasing trendno p-value reported

The AQI values show a decreasing trend from the center of Hebei to the surrounding counties (cities and districts), but the decreasing trend is unknown.

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