| Meteorological | 
Accumulated snow | 
MET_ACSNW_0_00000 | 
| Meteorological | 
Accumulated total evaporation | 
MET_ACEVP_0_00000 | 
| Meteorological | 
Accumulated total precipitation | 
MET_ACPRC_0_00000 | 
| Meteorological | 
Air temperature (surface) | 
MET_ATSFC_0_00000 | 
| Meteorological | 
Albedo | 
MET_ALBDO_0_00000 | 
| Meteorological | 
Cloud coverage | 
MET_CLDCV_0_00000 | 
| Meteorological | 
Downard shortwave radition flux (surface) | 
MET_DSWRF_0_00000 | 
| Meteorological | 
High cloud area fraction | 
MET_HCLAF_0_00000 | 
| Meteorological | 
Latent heat flux | 
MET_LATHF_0_00000 | 
| Meteorological | 
Low cloud area fraction | 
MET_LCLAF_0_00000 | 
| Meteorological | 
Medium cloud area fraction | 
MET_MCLAF_0_00000 | 
| Meteorological | 
Omega | 
MET_OMEGA_0_00000 | 
| Meteorological | 
Planetary boundary layer height | 
MET_PLBLH_0_00000 | 
| Meteorological | 
Precipitable water for the entire atmosphere | 
MET_PRWEA_0_00000 | 
| Meteorological | 
Precipitation rate | 
MET_PRRTE_0_00000 | 
| Meteorological | 
Pressure (surface) | 
MET_PRSFC_0_00000 | 
| Meteorological | 
Sensible heat flux | 
MET_SENHF_0_00000 | 
| Meteorological | 
Snow cover | 
MET_SNWCV_0_00000 | 
| Meteorological | 
Soil moisture content | 
MET_SLMSC_0_00000 | 
| Meteorological | 
Specific humidty at 2 m | 
MET_SPHUM_0_00000 | 
| Meteorological | 
u-wind at 10 m (east-west component) | 
MET_UWIND_0_00000 | 
| Meteorological | 
Upward longwave radiation on flux (surface) | 
MET_ULWRF_0_00000 | 
| Meteorological | 
v-wind at 10 m (north-south component) | 
MET_VWIND_0_00000 | 
| Meteorological | 
Visibility | 
MET_VISIB_0_00000 | 
| Meteorological | 
Wind Speed⏀ | 
MET_WNDSP_0_00000 | 
| Meteorological | 
Air temperature (surface) (1-day lag) | 
MET_ATSFC_1_00000 | 
| Meteorological | 
Accumulated total precipitation (1-day lag) | 
MET_ACPRC_1_00000 | 
| Meteorological | 
Pressure (surface) (1-day lag) | 
MET_PRSFC_1_00000 | 
| Meteorological | 
Specific humidty at 2 m (1-day lag) | 
MET_SPHUM_1_00000 | 
| Meteorological | 
Wind speed (1-day lag)⏀ | 
MET_WNDSP_1_00000 | 
| Land Use | 
Land-use type: wetland (100m) | 
LDU_TWTLD_0_00100 | 
| Land Use | 
Land-use type: water (100m) | 
LDU_TWATR_0_00100 | 
| Land Use | 
Land-use type: planted (100m) | 
LDU_TPLNT_0_00100 | 
| Land Use | 
Land-use type: herbaceous (100m) | 
LDU_THERB_0_00100 | 
| Land Use | 
Land-use type: shrubland (100m) | 
LDU_TSHRB_0_00100 | 
| Land Use | 
Land-use type: barren (100m) | 
LDU_TBARN_0_00100 | 
| Land Use | 
Land-use type: developed (100m) | 
LDU_TDEVL_0_00100 | 
| Land Use | 
Land-use type: wetland (1km) | 
LDU_TWTLD_0_01000 | 
| Land Use | 
Land-use type: water (1km) | 
LDU_TWATR_0_01000 | 
| Land Use | 
Land-use type: planted (1km) | 
LDU_TPLNT_0_01000 | 
| Land Use | 
Land-use type: herbaceous (1km) | 
LDU_THERB_0_01000 | 
| Land Use | 
Land-use type: shrubland (1km) | 
LDU_TSHRB_0_01000 | 
| Land Use | 
Land-use type: barren (1km) | 
LDU_TBARN_0_01000 | 
| Land Use | 
Land-use type: developed (1km) | 
LDU_TDEVL_0_01000 | 
| Land Use | 
Land-use type: wetland (10km) | 
LDU_TWTLD_0_10000 | 
| Land Use | 
Land-use type: water (10km) | 
LDU_TWATR_0_10000 | 
| Land Use | 
Land-use type: planted (10km) | 
LDU_TPLNT_0_10000 | 
| Land Use | 
Land-use type: herbaceous (10km) | 
LDU_THERB_0_10000 | 
| Land Use | 
Land-use type: shrubland (10km) | 
LDU_TSHRB_0_10000 | 
| Land Use | 
Land-use type: barren (10km) | 
LDU_TBARN_0_10000 | 
| Land Use | 
Land-use type: developed (10km) | 
LDU_TDEVL_0_10000 | 
| Land Use | 
Elevation: maximal (100m) | 
LDU_EMAXL_0_00100 | 
| Land Use | 
Elevation: minimal (100m) | 
LDU_EMINL_0_00100 | 
| Land Use | 
Elevation: median (100m) | 
LDU_EMEDN_0_00100 | 
| Land Use | 
Elevation: mean (100m) | 
LDU_EMEAN_0_00100 | 
| Land Use | 
Elevation: systematic subsample (100m) | 
LDU_ESSUB_0_00100 | 
| Land Use | 
Elevation: breakline emphasis (100m) | 
LDU_EBRKL_0_00100 | 
| Land Use | 
Elevation: standard deviation (100m) | 
LDU_ESTDV_0_00100 | 
| Land Use | 
Elevation: maximal (1km) | 
LDU_EMAXL_0_01000 | 
| Land Use | 
Elevation: minimal (1km) | 
LDU_EMINL_0_01000 | 
| Land Use | 
Elevation: median (1km) | 
LDU_EMEDN_0_01000 | 
| Land Use | 
Elevation: mean (1km) | 
LDU_EMEAN_0_01000 | 
| Land Use | 
Elevation: systematic subsample (1km) | 
LDU_ESSUB_0_01000 | 
| Land Use | 
Elevation: breakline emphasis (1km) | 
LDU_EBRKL_0_01000 | 
| Land Use | 
Elevation: standard deviation (1km) | 
LDU_ESTDV_0_01000 | 
| Land Use | 
Elevation: maximal (10km) | 
LDU_EMAXL_0_10000 | 
| Land Use | 
Elevation: minimal (10km) | 
LDU_EMINL_0_10000 | 
| Land Use | 
Elevation: median (10km) | 
LDU_EMEDN_0_10000 | 
| Land Use | 
Elevation: mean (10km) | 
LDU_EMEAN_0_10000 | 
| Land Use | 
Elevation: systematic subsample (10km) | 
LDU_ESSUB_0_10000 | 
| Land Use | 
Elevation: breakline emphasis (10km) | 
LDU_EBRKL_0_10000 | 
| Land Use | 
Elevation: standard deviation (10km) | 
LDU_ESTDV_0_10000 | 
| Land Use | 
Road density: highway density (100m) | 
LDU_HWYDN_0_00100 | 
| Land Use | 
Road density: highway density (1km) | 
LDU_HWYDN_0_01000 | 
| Land Use | 
Road density: highway density (10km) | 
LDU_HWYDN_0_10000 | 
| Land Use | 
Road density: highway and primary road density
(100m) | 
LDU_HPRDN_0_00100 | 
| Land Use | 
Road density: highway and primary road density
(1km) | 
LDU_HPRDN_0_01000 | 
| Land Use | 
Road density: highway and primary road density
(10km) | 
LDU_HPRDN_0_10000 | 
| Land Use | 
Road density: all road (highway, primary, secondary)
density (100m) | 
LDU_HPSDN_0_00100 | 
| Land Use | 
Road density: all road (highway, primary, secondary)
density (1km) | 
LDU_HPSDN_0_01000 | 
| Land Use | 
Road density: all road (highway, primary, secondary)
density (10km) | 
LDU_HPSDN_0_10000 | 
| Land Use | 
Annual average daily traffic volume (100m) | 
LDU_TRAFC_0_00100 | 
| Land Use | 
Annual average daily traffic volume (1km) | 
LDU_TRAFC_0_01000 | 
| Land Use | 
Annual average daily traffic volume (10km) | 
LDU_TRAFC_0_10000 | 
| MODIS | 
Surface reflectance | 
MOD_SFCRF_0_00000 | 
| MODIS | 
Surface temperature during the day | 
MOD_SFCTD_0_00000 | 
| MODIS | 
Surface temperature at night | 
MOD_SFCTN_0_00000 | 
| MODIS | 
Cloud coverage during the day | 
MOD_CLCVD_0_00000 | 
| MODIS | 
Cloud coverage at night | 
MOD_CLCVN_0_00000 | 
| MODIS | 
Aerosol optical depth at 470 nm (MCD19A2) | 
MOD_AD4TA_0_00000 | 
| MODIS | 
Aerosol optical depth at 550 nm (MCD19A2) | 
MOD_AD5TA_0_00000 | 
| MODIS | 
Cosine of Solar Zenith Angle (MCD19A2) | 
MOD_CSZAN_0_00000 | 
| MODIS | 
Cosine of View Zenith Angle (MCD19A2) | 
MOD_CVZAN_0_00000 | 
| MODIS | 
Relative Azimuth Angle (MCD19A2) | 
MOD_RAZAN_0_00000 | 
| MODIS | 
Scattering Angle (MCD19A2) | 
MOD_SCTAN_0_00000 | 
| MODIS | 
Glint Angle (MCD19A2) | 
MOD_GLNAN_0_00000 | 
| MODIS | 
Normalized Difference Vegetation Index (NDVI)
value | 
MOD_NDVIV_0_00000 | 
| MODIS | 
Light at night (VNP46A2) | 
MOD_LGHTN_0_00500 | 
| MERRA2 | 
Hydrophilic Black Carbon | 
MER_PHOBC_0_00000 | 
| GEOS-CF | 
Acetone | 
GEO_ACETO_0_00000 | 
| GEOS-CF | 
Acetaldehyde | 
GEO_ACETA_0_00000 | 
| GEOS-CF | 
C4 alkanes | 
GEO_CALKA_0_00000 | 
| GEOS-CF | 
Hydrophilic black carbon aerosol | 
GEO_HIBCA_0_00000 | 
| GEOS-CF | 
Hydrophobic black carbon aerosol | 
GEO_HOBCA_0_00000 | 
| GEOS-CF | 
Benzene | 
GEO_BENZE_0_00000 | 
| GEOS-CF | 
Ethane | 
GEO_ETHTE_0_00000 | 
| GEOS-CF | 
Propane | 
GEO_PROPA_0_00000 | 
| GEOS-CF | 
Methane | 
GEO_METHA_0_00000 | 
| GEOS-CF | 
Carbon monoxide | 
GEO_CMONO_0_00000 | 
| GEOS-CF | 
Dust (0.7 microns) | 
GEO_DUST1_0_00000 | 
| GEOS-CF | 
Dust (1.4 microns) | 
GEO_DUST2_0_00000 | 
| GEOS-CF | 
Dust (2.4 microns) | 
GEO_DUST3_0_00000 | 
| GEOS-CF | 
Dust (4.5 microns) | 
GEO_DUST4_0_00000 | 
| GEOS-CF | 
Ethanol | 
GEO_ETHOL_0_00000 | 
| GEOS-CF | 
Hydrogen peroxide | 
GEO_HYPER_0_00000 | 
| GEOS-CF | 
Formaldehyde | 
GEO_FORMA_0_00000 | 
| GEOS-CF | 
Nitric acid | 
GEO_NITAC_0_00000 | 
| GEOS-CF | 
Peroynitric acid | 
GEO_PERAC_0_00000 | 
| GEOS-CF | 
Isoprene | 
GEO_ISOPR_0_00000 | 
| GEOS-CF | 
Methacrolein | 
GEO_METHC_0_00000 | 
| GEOS-CF | 
Methyl ethyl ketone | 
GEO_MEKET_0_00000 | 
| GEOS-CF | 
Methyl vinyl ketone | 
GEO_MVKET_0_00000 | 
| GEOS-CF | 
Dinitrogen pentoxide | 
GEO_DIPEN_0_00000 | 
| GEOS-CF | 
Ammonia | 
GEO_AMNIA_0_00000 | 
| GEOS-CF | 
Ammonium | 
GEO_AMNUM_0_00000 | 
| GEOS-CF | 
Inorganic nitrates | 
GEO_INNIT_0_00000 | 
| GEOS-CF | 
Nitrogen oxide | 
GEO_NIOXI_0_00000 | 
| GEOS-CF | 
Nitrogen dioxide | 
GEO_NIDIO_0_00000 | 
| GEOS-CF | 
Reactive nitrogren | 
GEO_NITRO_0_00000 | 
| GEOS-CF | 
Hydrophilic organic carbon | 
GEO_HIORG_0_00000 | 
| GEOS-CF | 
Hydrophobic organic carbon | 
GEO_HOORG_0_00000 | 
| GEOS-CF | 
Peroyacetyl nitrate | 
GEO_PERNI_0_00000 | 
| GEOS-CF | 
PM2.5 at RH 35 | 
GEO_PM25X_0_00000 | 
| GEOS-CF | 
PM2.5 at RH 35 (reconstructed) | 
GEO_PM25R_0_00000 | 
| GEOS-CF | 
Black carbon PM2.5 | 
GEO_BLCPM_0_00000 | 
| GEOS-CF | 
Dust PM2.5 | 
GEO_DUSPM_0_00000 | 
| GEOS-CF | 
Nitrate PM2.5 | 
GEO_NITPM_0_00000 | 
| GEOS-CF | 
Organic carbon PM2.5 | 
GEO_ORCPM_0_00000 | 
| GEOS-CF | 
Secondary organic aerosol PM2.5 | 
GEO_SORPM_0_00000 | 
| GEOS-CF | 
Sea salt PM2.5 | 
GEO_SEAPM_0_00000 | 
| GEOS-CF | 
Sulfate PM2.5 | 
GEO_SULPM_0_00000 | 
| GEOS-CF | 
Lumped C3 alkenes | 
GEO_CALKE_0_00000 | 
| GEOS-CF | 
Lumped aldehyde | 
GEO_CALDH_0_00000 | 
| GEOS-CF | 
Fine sea salt aerosol (0.01 - 0.05 microns) | 
GEO_FSEAS_0_00000 | 
| GEOS-CF | 
Coarse sea salt aerosol (0.5 - 8 microns) | 
GEO_CSEAS_0_00000 | 
| GEOS-CF | 
Sulfer dioxide | 
GEO_SULDI_0_00000 | 
| GEOS-CF | 
SOA Precursor | 
GEO_SOAPR_0_00000 | 
| GEOS-CF | 
SOA Simple | 
GEO_SOASI_0_00000 | 
| GEOS-CF | 
Toluene | 
GEO_TOLUE_0_00000 | 
| GEOS-CF | 
Xylene | 
GEO_XYLEN_0_00000 | 
| GEOS-CF | 
CO volume mixing ratio dry air | 
GEO_COVMR_0_00000 | 
| GEOS-CF | 
NO2 volume mixing raito dry air | 
GEO_NOVMR_0_00000 | 
| GEOS-CF | 
O3 volume mixing ratio dry air | 
GEO_OZVMR_0_00000 | 
| GEOS-CF | 
SO2 volume mixing ratio dry air | 
GEO_SOVMR_0_00000 | 
| Dummy | 
Year 2018 | 
DUM_Y2018_0_00000 | 
| Dummy | 
Year 2019 | 
DUM_Y2019_0_00000 | 
| Dummy | 
Year 2020 | 
DUM_Y2020_0_00000 | 
| Dummy | 
Year 2021 | 
DUM_Y2021_0_00000 | 
| Dummy | 
Year 2022 | 
DUM_Y2022_0_00000 | 
| Dummy | 
January | 
DUM_JANUA_0_00000 | 
| Dummy | 
February | 
DUM_FEBRU_0_00000 | 
| Dummy | 
March | 
DUM_MARCH_0_00000 | 
| Dummy | 
April | 
DUM_APRIL_0_00000 | 
| Dummy | 
May | 
DUM_MAYMA_0_00000 | 
| Dummy | 
June | 
DUM_JUNEJ_0_00000 | 
| Dummy | 
July | 
DUM_JULYJ_0_00000 | 
| Dummy | 
August | 
DUM_AUGUS_0_00000 | 
| Dummy | 
September | 
DUM_SEPTE_0_00000 | 
| Dummy | 
October | 
DUM_OCTOB_0_00000 | 
| Dummy | 
November | 
DUM_NOVEM_0_00000 | 
| Dummy | 
December | 
DUM_DECEM_0_00000 | 
| Dummy | 
Weekday 1 | 
DUM_WKDY1_0_00000 | 
| Dummy | 
Weekday 2 | 
DUM_WKDY2_0_00000 | 
| Dummy | 
Weekday 3 | 
DUM_WKDY3_0_00000 | 
| Dummy | 
Weekday 4 | 
DUM_WKDY4_0_00000 | 
| Dummy | 
Weekday 5 | 
DUM_WKDY5_0_00000 | 
| Dummy | 
Weekday 6 | 
DUM_WKDY6_0_00000 | 
| Dummy | 
Weekday 7 | 
DUM_WKDY7_0_00000 | 
| Dummy | 
Climate Region A | 
DUM_CLRGA_0_00000 | 
| Dummy | 
Climate Region B | 
DUM_CLRGB_0_00000 | 
| Dummy | 
Climate Region C | 
DUM_CLRGC_0_00000 | 
| Dummy | 
Climate Region D | 
DUM_CLRGD_0_00000 | 
| Dummy | 
Climate Region E | 
DUM_CLRGE_0_00000 | 
| Dummy | 
Ecoregion Level 2: Mixed wood shield | 
DUM_E2052_0_00000 | 
| Dummy | 
Ecoregion Level 2: Atlantic highlands | 
DUM_E2053_0_00000 | 
| Dummy | 
Ecoregion Level 2: Marine West coast forest | 
DUM_E2071_0_00000 | 
| Dummy | 
Ecoregion Level 2: Mixed wood plains | 
DUM_E2081_0_00000 | 
| Dummy | 
Ecoregion Level 2: Central USA plains | 
DUM_E2082_0_00000 | 
| Dummy | 
Ecoregion Level 2: Southeastern USA plains | 
DUM_E2083_0_00000 | 
| Dummy | 
Ecoregion Level 2: Ozark, Ouachita-Appalachian
forests | 
DUM_E2084_0_00000 | 
| Dummy | 
Ecoregion Level 2: Mississippi alluvial and Southeast
USA coastal plains | 
DUM_E2085_0_00000 | 
| Dummy | 
Ecoregion Level 2: Temperate prairies | 
DUM_E2092_0_00000 | 
| Dummy | 
Ecoregion Level 2: West-Central semi-arid prairies | 
DUM_E2093_0_00000 | 
| Dummy | 
Ecoregion Level 2: South Central semi-arid
prairies | 
DUM_E2094_0_00000 | 
| Dummy | 
Ecoregion Level 2: Texas-Louisiana coastal plain | 
DUM_E2095_0_00000 | 
| Dummy | 
Ecoregion Level 2: Tamaulipas-Texas semiarid plain | 
DUM_E2096_0_00000 | 
| Dummy | 
Ecoregion Level 2: Cold deserts | 
DUM_E2101_0_00000 | 
| Dummy | 
Ecoregion Level 2: Warm deserts | 
DUM_E2102_0_00000 | 
| Dummy | 
Ecoregion Level 2: Mediterranean California | 
DUM_E2111_0_00000 | 
| Dummy | 
Ecoregion Level 2: Western Sierra Madre Piedmont | 
DUM_E2121_0_00000 | 
| Dummy | 
Ecoregion Level 2: Everglades | 
DUM_E2154_0_00000 | 
| Other | 
Population density | 
OTH_POPDN_0_00000 | 
| Other | 
Wildfire smoke plume coverage (light) | 
OTH_HMSWL_0_00000 | 
| Other | 
Wildfire smoke plume coverage (medium) | 
OTH_HMSWM_0_00000 | 
| Other | 
Wildfire smoke plume coverage (heavy) | 
OTH_HMSWH_0_00000 |