PurpleAir API
Environment · Operational · 30d uptime 100%
Real-time air quality sensor data from the PurpleAir community network.
Trust signals
Pricing
FREE
Auth
NONE
CORS
No
Rate limit
Free tier available. Rate limits apply by plan.
Health
575ms
Trust score
84 (B)
Last checked Oct 19, 2026 · uptime 24h 100% / 7d 100% / 30d 100%
Strong candidate; weakest signal is CORS.
Links
- Documentationapi.purpleair.com
- Base URLapi.purpleair.com
Integration checklist
- Auth is NONE
- No CORS — route calls through your backend.
- Rate limit: Free tier available. Rate limits apply by plan.