Fig. 7: Spatial distributions of nitrate responses to different combined emission reduction scenarios.
From: Nitrate-driven extreme winter PM2.5 pollution in Shanghai, China
a NOx-VOC, b NOx-NH3, c NOx-SO2, d VOC-NH3, e VOC-SO2, f NH3-SO2, g NOx-VOC-NH3, and h NOx-VOC-NH3-SO2.
