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

Open low-cost PM2.5 sensor data

Last checked 2026-09-18 07:42 UTC — HTTP 200, 899 ms. Availability over 30 days of data: 100.00%.

649 ms · 2026-08-04 09:26 UTC552 ms · 2026-08-05 17:15 UTC720 ms · 2026-08-07 01:04 UTC700 ms · 2026-08-08 04:32 UTC677 ms · 2026-08-09 12:33 UTC2344 ms · 2026-08-10 19:10 UTC656 ms · 2026-08-11 23:40 UTC719 ms · 2026-08-13 08:27 UTC668 ms · 2026-08-14 08:35 UTC666 ms · 2026-08-15 11:06 UTC1889 ms · 2026-08-17 17:27 UTC744 ms · 2026-08-18 17:41 UTC749 ms · 2026-08-19 23:46 UTC742 ms · 2026-08-21 05:54 UTC724 ms · 2026-08-22 10:19 UTC597 ms · 2026-08-24 06:03 UTC517 ms · 2026-08-25 21:24 UTC605 ms · 2026-08-27 05:10 UTC185 ms · 2026-08-28 14:09 UTC178 ms · 2026-08-31 18:05 UTC326 ms · 2026-09-02 01:50 UTC968 ms · 2026-09-03 07:25 UTC965 ms · 2026-09-07 00:11 UTC876 ms · 2026-09-09 00:09 UTC967 ms · 2026-09-11 03:17 UTC2997 ms · 2026-09-13 00:10 UTC144 ms · 2026-09-15 00:07 UTC183 ms · 2026-09-16 00:07 UTC176 ms · 2026-09-17 04:15 UTC899 ms · 2026-09-18 07:42 UTC
latency · last 30 checks

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Shape history

Nothing confirmed yet · 2 signals on record. A change confirms after it survives three consecutive polls.

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