// ENVIRONMENT
OpenAQ
Open air quality data
OpenAQ is a free public Environment API that requires apiKey authentication. It supports HTTPS.
// FACTS
- Category
- Environment
- Authentication
- apiKey
- HTTPS
- yes
- CORS
- unknown
- Endpoint
- docs.openaq.org
- Cost
- Free
// FREQUENTLY ASKED
What is OpenAQ?
OpenAQ is a free public API in the Environment category. Open air quality data
Does OpenAQ require authentication?
Yes — OpenAQ requires apiKey authentication to make requests.
Is OpenAQ free?
Yes. OpenAQ 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 OpenAQ support HTTPS?
Yes, OpenAQ supports HTTPS encrypted requests.