Fig. 1: Ambient PM2.5 exposure and changes in China.
From: Inequality in PM2.5 Exposure and Health burden attributable in China

a–c PM2.5 exposure raster in 2000 (a), 2013 (b), and 2019 (c). d–f Raster plot of changes in exposure concentrations, 2000–2013 (d), 2013–2019 (e), 2000–2019 (f). g Population exposure concentration percentage curves. h China’s population-weighted average ambient PM2.5 exposure, 2000–2019.