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AQICN vs Automatic Weather Stations

Same instrument, two spec sheets — measured, not claimed.

APIAQICNREACHABLE—Automatic Weather StationsNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSnoyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

AQICN vs Automatic Weather Stations: common questions

Which is more reliable, AQICN or Automatic Weather Stations?

On our scheduled checks, Automatic Weather Stations leads on measured uptime — AQICN at —% versus Automatic Weather Stations at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do AQICN and Automatic Weather Stations need an API key?

Automatic Weather Stations needs no key, while AQICN requires a free API key. If you want to start calling without signup, reach for Automatic Weather Stations first.

Can I call AQICN and Automatic Weather Stations from the browser?

Only Automatic Weather Stations is browser-friendly — it returns CORS headers over HTTPS. AQICN needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are AQICN and Automatic Weather Stations free for commercial use?

AQICN has unclear commercial terms, and Automatic Weather Stations has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.