OpenAQ v3
OpenAQ
Up· checked 14 Nov 2026, 01:55 UTCFree keyEnergy & environment
Aggregated air quality from 10k+ stations; free key.
Details
- Access
- Free keyNeeds a free API key from the publisher.
- Coverage
- global
- Updates
- hourly
- Formats
- JSON
- License
- CC BY 4.0
- API base
https://api.openaq.org/v3- Tags
- air-quality, pm25, sensors
- Added
- 14 Nov 2026
Status checks
Up Last check 14 Nov 2026, 01:55 UTC, HTTP 200, 116 ms.
30-day uptime 100% (1 of 1 checks passed).
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- 14 Nov 2026, 01:55 UTC: up, HTTP 200, 116 ms
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