IQAir
Air quality and weather data
- Authentication
- API Key
- HTTPS
- Yes
- CORS
- Unknown
- Category
- Environment
- Documentation / URL
- https://www.iqair.com/air-pollution-data-api
Overview
IQAir (AirVisual) provides air quality data — key-based (an invalid key returns 403, verified).
Quick Start
City AQI (replace YOUR_KEY):
curl "https://api.airvisual.com/v2/city?city=Beijing&state=Beijing&country=China&key=YOUR_KEY"{ "status": "success", "data": { "city": "Beijing", "current": { "pollution": { "aqius": 85 } } } }Authentication
- Register at iqair.com → API key.
- Send it as the
keyquery parameter (invalid → 403, verified).
Rate Limits & Notes
- Free tier: limited calls/day (check the docs); paid plans scale.
- City/nearest/station endpoints.
FAQ
Is IQAir free? Free tier with daily limits; more is paid.
Why 403? Invalid keys return 403 (verified) — register for a key.
What’s the auth style?
key query parameter.
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