Spatial-seasonal characteristics and critical impact factors of PM2.5 concentration in the Beijing-Tianjin-Hebei urban agglomeration.

PLoS One · 2018 · PMC6147404 · PMID 30235240

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a decreasing trendno p-value reported

By means of 3km satellite aerosol optical depth (AOD) database and geographically and temporally weighted regression (GTWR) modelling, He et al., (2018) [ 66 ] also add evidence to the fact that air pollution in the BTH urban agglomeration generally showed a decreasing trend from January 2013 to December 2015.

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