Extended Data Fig. 8: OOMs condensation flux as a dependent of PM2.5 in (a) Beijing, (b) Nanjing, (c) Shanghai, and (d) Hong Kong.
From: Secondary organic aerosol formed by condensing anthropogenic vapours over China’s megacities

Aliphatic-OOMs in red, aromatic-OOMs in blue, isoprene-OOMs in bright yellow, monoterpene-OOMs in dark yellow and undistinguished OOMs in grey.