Air Quality Data API — Free Open AQI JSON

DailyAQI publishes its computed live AQI as open JSON — free to use with attribution.

Endpoint

A single JSON document lists every city we track with its current reading, updated hourly:

GET https://dailyaqi.com/assets/near.json

Response shape

An array of objects, one per city:

{
  "s": "delhi",              // slug
  "n": "Delhi",              // name
  "r": "Delhi",              // region / country
  "la": 28.70, "lo": 77.17,  // coordinates
  "u": "/air-quality/delhi/",// page URL
  "a": 386,                  // current AQI (null if updating)
  "bn": "Very Poor",         // band name
  "bc": "#E93F33",           // band colour
  "sc": "IN"                 // scale: IN = CPCB, US = US EPA
}

Terms & attribution

Free for non-commercial and commercial use with a visible link back to dailyaqi.com. Underlying data © Central Pollution Control Board (India, via data.gov.in, GODL) and OpenAQ contributors (world). Readings are indicative; see our methodology. No warranty — do not use as the sole basis for health or safety decisions.

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