Open data
Free, machine-readable air-quality datasets for 303 Indian cities — daily AQI history as CSV and JSON, updated hourly.
India Air Quality — Open Data
Download free, hourly-updated Air Quality Index (AQI) datasets for 303 Indian cities. Each file holds the daily AQI history on the CPCB National AQI scale with the pollutant category. Primary source: Central Pollution Control Board (CPCB); a modelled Open-Meteo fallback is used where live stations are offline. Free to use with attribution.