PM2.5 Open Data Portal API
Environment · Operational · 30d uptime 100%
The PM2.5 Open Data Portal offers the access to PM2.5 Open Data for LASS/EDIMAX AirBox and EPA devices. The API provides both in descriptive and diagnostic data. The data visualization tools such as sensor dashboards and professional diagrams are also available to access through this site. We welcome everyone to join the Micro PM2.5 Self-sensing Project!
Trust signals
Pricing
FREE
Auth
NONE
CORS
No
Rate limit
Free to use. Open data.
Health
696ms
Trust score
87 (B)
Last checked Oct 18, 2026 · uptime 24h 100% / 7d 100% / 30d 100%
Strong candidate; weakest signal is CORS.
Links
- Homepagepm25.lass-net.org
- Documentationpm25.lass-net.org
- Base URLpm25.lass-net.org/#apis
Integration checklist
- Auth is NONE
- No CORS — route calls through your backend.
- Rate limit: Free to use. Open data.