Extended Data Fig. 1: Time series of observed OOMs and related parameters in (a) Beijing, (b) Nanjing, (c) Shanghai, and (d) Hong Kong.
From: Secondary organic aerosol formed by condensing anthropogenic vapours over China’s megacities
Variables include UVB (JO1D in Shanghai), Temperature, RH, NOx, O3, primary organic aerosol (POA), secondary organic aerosol (SOA), total OOMs and nitrophenols.
