Air pollution has emerged as a top-10 risk factor for human health in India and the cities are increasing exceeding the national ambient standards and the World Health Organizations guidelines for criteria pollutants. To support India’s air pollution management framework, modeled 24-hr (daily) average ambient concentrations were simulated for the next 72-hours, using meteorology processed through 3D-WRF meteorological model and the GFS meteorological fields and the concentrations simulated through the CAMx chemical transport modeling system.
The modeling domain covers the Indian sub-continent, which extends 32 degrees each longitudes and latitudes, at a spatial resolution of 0.25 x 0.25 degrees (~25 km 25 km) and a temporal resolution of 1 hour.
The 24-hr average modeled data fields are updated everyday at ~7:00 PM local time.
Particulate Matter (less than 2.5 micron-m) (PM2.5)
Particulate Matter (less than 10 micron-m) (PM10)
Sulfur Dioxide (SO2)
Nitrogen Dioxide (NO2)
Nitrogen Oxides (NOx = NO+NO2)
Carbon Monoxide (CO)
Back to the India air quality forecasting page. Additional data fields from the forecasting system
- animations of hourly wind, temperature, precipitation, and mixing heights
- daily (24 hour) average concentrations
- animations of hourly average concentrations
- hourly time series at the district level
- hourly time series for select locations
- modeled source contributions to hourly PM2.5 concentrations
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Animation of Winds and Dust Extinction GEOS5-NASA (More @ https://earth.nullschool.net)