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

Open low-cost PM2.5 sensor data

Last checked 2026-11-02 03:50 UTC — HTTP 200, 169 ms. Availability over 30 days of data: 100.00%.

857 ms · 2026-10-04 02:34 UTC984 ms · 2026-10-05 02:36 UTC875 ms · 2026-10-06 02:38 UTC1029 ms · 2026-10-07 02:39 UTC910 ms · 2026-10-08 02:43 UTC1018 ms · 2026-10-09 02:45 UTC886 ms · 2026-10-10 02:50 UTC960 ms · 2026-10-11 02:52 UTC872 ms · 2026-10-12 02:55 UTC968 ms · 2026-10-13 02:57 UTC929 ms · 2026-10-14 03:01 UTC938 ms · 2026-10-15 03:03 UTC892 ms · 2026-10-16 03:06 UTC634 ms · 2026-10-17 03:09 UTC142 ms · 2026-10-18 03:10 UTC133 ms · 2026-10-19 03:13 UTC466 ms · 2026-10-20 03:15 UTC579 ms · 2026-10-21 03:17 UTC550 ms · 2026-10-22 03:19 UTC586 ms · 2026-10-23 03:23 UTC591 ms · 2026-10-24 03:26 UTC556 ms · 2026-10-25 03:30 UTC562 ms · 2026-10-26 03:34 UTC522 ms · 2026-10-27 03:37 UTC560 ms · 2026-10-28 03:39 UTC551 ms · 2026-10-29 03:42 UTC573 ms · 2026-10-30 03:45 UTC173 ms · 2026-10-31 03:47 UTC186 ms · 2026-11-01 03:49 UTC169 ms · 2026-11-02 03:50 UTC
latency · last 30 checks

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Shape history

Nothing confirmed yet · 6 signals on record. A change confirms after it survives three consecutive polls.

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