PM2.5 Open Data Portal — API status & change history

Open low-cost PM2.5 sensor data

Last checked 2026-07-11T05:07 UTC — HTTP 200, 940 ms. 30-day uptime: 100.00%.

14-day latency:

Auth: none · HTTPS: yes · Docs

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Change history

No confirmed changes yet. That's a good sign.