Is PM2.5 Open Data Portal API down?
Current status, daily uptime history and troubleshooting for the PM2.5 Open Data Portal API (Environment).
No, PM2.5 Open Data Portal is up
PM2.5 Open Data Portal answered our last daily check (Oct 24, 2026, 12:25 UTC) in 1110 ms with HTTP 200.
Checking PM2.5 Open Data Portal now…
Sending a request from our server.
PM2.5 Open Data Portal API uptime history
- Uptime
- 2 checks so far
- Last check
- Oct 24, 2026, 12:25 UTC
- Response
- 1110 ms · HTTP 200
- Last up
- Now
We check PM2.5 Open Data Portal's listed URL (https://pm25.lass-net.org/#apis) once a day. History started when PM2.5 Open Data Portal was first checked, so new entries show fewer than 30 days.
PM2.5 Open Data Portal API not working for you?
- A 429 response means you're being rate-limited. Slow down, cache responses, and respect any Retry-After header.
- If calls fail only in the browser with a CORS error, PM2.5 Open Data Portal may not allow cross-origin requests. Call it from your server instead.
- If it works from one network but not another, check firewalls, VPNs and regional blocks.
- Check the provider's documentation, status page or social accounts for planned maintenance or a changed endpoint.
Environment APIs up at their last check
- 1
kanari API
Online · 527 msReal-time worldwide wildfire detections, water bomber tracking and open fire archive.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS - 2
Open-Meteo API
Online · 609 msFree weather API for non-commercial use.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS - 3
Sähkön hinta nyt API
Online · 1106 msFinnish and Nordic day-ahead electricity spot prices (15-minute), cheapest hours.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS - 4
WattFigure API
Online · 712 msUS electricity rates by state, with appliance and EV charging running costs.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS - 5
GridVigil API
Online · 1588 msPressure scores, demand, generation mix and alerts for the 10 major U.S. power grids.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
Compare all PM2.5 Open Data Portal alternatives · APIs down right now
PM2.5 Open Data Portal API status FAQ
Is PM2.5 Open Data Portal API down right now?
PM2.5 Open Data Portal answered our last daily check (Oct 24, 2026, 12:25 UTC) in 1110 ms with HTTP 200. This page also runs a live check from our server when you open it, so you can see whether PM2.5 Open Data Portal is responding at this moment.
How do you check whether PM2.5 Open Data Portal API is up?
Once a day our checker requests PM2.5 Open Data Portal's listed URL (https://pm25.lass-net.org/#apis) and records whether it answers within 15 seconds. Answers like 401 (needs a key), 403 (blocks bots) or 429 (rate-limited) count as up, because the server responded. The listed URL is often the documentation page, so an API endpoint can occasionally fail while its docs stay up.
What can I use if PM2.5 Open Data Portal API is down?
Free Environment APIs that were up at their last check include kanari, Open-Meteo, Sähkön hinta nyt. See the full list of PM2.5 Open Data Portal alternatives for a comparison.
Why does PM2.5 Open Data Portal API work for others but not for me?
A 429 response means you're being rate-limited. Slow down, cache responses, and respect any Retry-After header. If calls fail only in the browser with a CORS error, PM2.5 Open Data Portal may not allow cross-origin requests. Call it from your server instead. If it works from one network but not another, check firewalls, VPNs and regional blocks.