Every chart on this site traces to a free, citable source. No paid feeds, no scraped or redistributed restricted data.
Hourly PM2.5, PM10, CO, NO₂, SO₂, O₃ and the European AQI for any latitude/longitude from 2022-01-01 onward.
Central Pollution Control Board operates the official Continuous Ambient Air Quality Monitoring Stations (CAAQMS) across India.
Aggregates real CPCB CAAQMS station observations as well as global monitoring networks.
Base map raster tiles for the India view. We do not redistribute or cache tiles.
The free token forbids redistribution.
Paid feeds — out of scope for this project.