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OpenAQ — API status & change history

Open air quality data

Last checked 2026-09-18 07:42 UTC — HTTP 200, 40 ms. Availability over 30 days of data: 100.00%.

65 ms · 2026-08-03 06:25 UTC707 ms · 2026-08-04 09:25 UTC758 ms · 2026-08-05 17:15 UTC303 ms · 2026-08-07 01:04 UTC282 ms · 2026-08-08 04:32 UTC48 ms · 2026-08-10 17:05 UTC290 ms · 2026-08-11 19:43 UTC51 ms · 2026-08-12 20:02 UTC693 ms · 2026-08-14 06:39 UTC31 ms · 2026-08-15 07:18 UTC357 ms · 2026-08-17 17:27 UTC34 ms · 2026-08-18 17:41 UTC52 ms · 2026-08-19 23:46 UTC219 ms · 2026-08-21 05:54 UTC142 ms · 2026-08-22 09:10 UTC144 ms · 2026-08-23 22:09 UTC268 ms · 2026-08-25 17:19 UTC215 ms · 2026-08-26 22:55 UTC136 ms · 2026-08-28 08:30 UTC126 ms · 2026-08-31 18:05 UTC968 ms · 2026-09-02 01:50 UTC118 ms · 2026-09-03 07:25 UTC58 ms · 2026-09-07 00:11 UTC45 ms · 2026-09-09 00:09 UTC61 ms · 2026-09-11 03:17 UTC51 ms · 2026-09-13 00:10 UTC36 ms · 2026-09-15 00:07 UTC234 ms · 2026-09-16 00:07 UTC222 ms · 2026-09-17 04:15 UTC40 ms · 2026-09-18 07:42 UTC
latency · last 30 checks

Auth: apiKey · HTTPS: yes · Docs

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Shape history

1 confirmed · 9 signals on record. A change confirms after it survives three consecutive polls.

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