// WEATHER
AQICN
Air Quality Index Data for over 1000 cities
AQICN is a free public Weather API that requires apiKey authentication. It supports HTTPS.
// FACTS
- Category
- Weather
- Authentication
- apiKey
- HTTPS
- yes
- CORS
- unknown
- Endpoint
- aqicn.org
- Cost
- Free
// FREQUENTLY ASKED
What is AQICN?
AQICN is a free public API in the Weather category. Air Quality Index Data for over 1000 cities
Does AQICN require authentication?
Yes — AQICN requires apiKey authentication to make requests.
Is AQICN free?
Yes. AQICN is listed in our directory of free public APIs and is free to use. Check the official site for any rate limits or paid tier limitations.
Does AQICN support HTTPS?
Yes, AQICN supports HTTPS encrypted requests.