Global annual mean surface PM2.5 concentrations at 0.01° (~1km) resolution derived from satellite AOD, GEOS-Chem model, and ground stations. Maharashtra subset maps air pollution exposure across all districts, enabling health impact assessment.
import xarray as xr
# Download from https://sites.wustl.edu/acag/datasets/
# ds = xr.open_dataset('acag_pm25.nc')
# mh = ds.sel(lat=slice(15.5, 22.5), lon=slice(72.5, 81))
print('ACAG PM2.5 data: https://sites.wustl.edu/acag/datasets/')| Field | Type | Description |
|---|---|---|
| latitude | float | Grid cell latitude (0.01° resolution) |
| longitude | float | Grid cell longitude (0.01° resolution) |
| PM25 | float | Annual mean surface PM2.5 concentration (µg/m³) |