Extended Data Fig. 7: Meteorologically driven variations in PM2.5 concentrations.
From: Efficacy of China’s clean air actions to tackle PM2.5 pollution between 2013 and 2020
Monthly percentage anomalies of simulated meteorologically driven PM2.5 variations (population-weighted) and occurrence frequency of air stagnation days (population-weighted) from their 2017–2020 means for individual months in (a) China, (b) BTHSA, (c) YRD and (d) FWP.
