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AQICN — API status & change history

Air Quality Index Data for over 1000 cities

Last checked 2026-11-03 02:21 UTC — HTTP 200, 394 ms. Availability over 30 days of data: 100.00%.

1237 ms · 2026-10-05 01:02 UTC1328 ms · 2026-10-06 01:05 UTC1276 ms · 2026-10-07 01:07 UTC1352 ms · 2026-10-08 01:10 UTC1288 ms · 2026-10-09 01:13 UTC1255 ms · 2026-10-10 01:15 UTC1279 ms · 2026-10-11 01:18 UTC1213 ms · 2026-10-12 01:20 UTC1237 ms · 2026-10-13 01:23 UTC1205 ms · 2026-10-14 01:26 UTC1242 ms · 2026-10-15 01:28 UTC1224 ms · 2026-10-16 01:32 UTC1177 ms · 2026-10-17 01:34 UTC353 ms · 2026-10-18 01:36 UTC357 ms · 2026-10-19 01:39 UTC781 ms · 2026-10-20 01:42 UTC205 ms · 2026-10-21 01:45 UTC894 ms · 2026-10-22 01:49 UTC848 ms · 2026-10-23 01:51 UTC807 ms · 2026-10-24 01:54 UTC855 ms · 2026-10-25 01:57 UTC839 ms · 2026-10-26 01:59 UTC857 ms · 2026-10-27 02:02 UTC736 ms · 2026-10-28 02:06 UTC942 ms · 2026-10-29 02:08 UTC776 ms · 2026-10-30 02:11 UTC400 ms · 2026-10-31 02:13 UTC400 ms · 2026-11-01 02:16 UTC423 ms · 2026-11-02 02:18 UTC394 ms · 2026-11-03 02:21 UTC
latency · last 30 checks

Auth: apiKey · HTTPS: yes · Docs

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Shape history

45 confirmed · 50 signals on record. A change confirms after it survives three consecutive polls.

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