Extended Data Fig. 7: Expanded ozone pollution seasons in China.
From: Sustained emission reductions have restrained the ozone pollution over China
The evolution of monthly average MDA8 ozone concentrations (a), and monthly distributions of satellite-derived TVCD of HCHO (b) and NO2 (c) during 2010–2021 are shown for East China. The data source of TVCD is described in the Methods of the article.
