OpenAQsnapshot 2026-11-05
Air quality over an API
no card required
unlimited
openaq.org
Open air-monitoring data from around the world: a free key and generous limits.
- Limits
- fair use
- Period
- unlimited
- Card
- free key
- Category
- Tools
free-tier.hub · snapshot 2026-11-05 · limits change — check the provider's official page