We use 2011-2019 aerosol optical depth (AOD) observations from the Geostationary Ocean Color Imager (GOCI) instrument over East Asia to infer 24-h daily surface fine particulate matter (PM2.5) concent
3-D NO 2 concentration fields derived from the assimilation of OMI NO 2 from 1-31 May 2018. Variables: NO 2 volume mixing ratio [pptv], surface pressure [hPa]Horizonta