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!
https://pm25.lass-net.org
Auth type
none
Auth header
# No auth required
Rate limit
See documentation
Pricing
Free tier available
Free quota
Completely free
Documentation
https://pm25.lass-net.org/#apis
Endpoint status
Live — HTTP 200 — endpoint is accessible1.97s
(checked Mar 29, 2026)
Builder score
C
57%
builder-friendly
No authentication required
# No auth required
Free — open public API, no authentication required.
| Method | Path | Description |
|---|---|---|
| GET | / |
See documentation for endpoint reference |
curl 'https://pm25.lass-net.org'
{}
Data sourced from API Map. Always verify pricing and rate limits against the official PM2.5 Open Data Portal documentation.