Data on O3 photochemical regimes in South Korea

Data for O3 photochemical regime assessment in South Korea (2019-2023). Sptiotemporal variables grid_id: IDs of grid cells in South Korea (spatial resolution: 5 km)datetime: time in 'YYYYmmDDHHMM' format province: administrative district of grid cell in South Korea Air pollution variables O3: measured O3 concentration (ppb) from nearest weather monitoring station Satellite-based variables HCHO_trop: TROPOspheric Monitoring Instrument (TROPOMI) formaldehyde (HCHO) tropospheric vertical column density (VCD, molecules/cm2)NO2_trop: TROPOspheric Monitoring Instrument (TROPOMI) nitrogen dioxide (NO2) tropospheric vertical column density (VCD, molecules/cm2) Meteorological variables TEMP: measured air temperature (celcius) from nearest weather monitoring stationWS: measured wind speed (m/s) from nearest weather monitoring stationRH: measured relative humidity (%) from nearest weather monitoring stationBLH: boundary layer hight (m) from 5th generation European Centre for Medium-Range Weather Forecasts (ECMWF) re-analysis (ERA5)SP: surface pressure (Pa) from land component of 5th generation European Centre for Medium-Range Weather Forecasts (ECMWF) re-analysis (ERA5-land)SSR: net surface solar radiation (J/m2) from land component of 5th generation European Centre for Medium-Range Weather Forecasts (ECMWF) re-analysis (ERA5-land)TCC: total cloud cover (unitless) from 5th generation European Centre for Medium-Range Weather Forecasts (ECMWF) re-analysis (ERA5)