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AQICN vs Meteorologisk Institutt

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

APIAQICNREACHABLE—Meteorologisk InstituttNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSnoyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedCC BY 4.0 / NLOD (Norwegian Licence for Open Government Data)
Free tierFree tier — API key requiredFree, no key; requires identifying User-Agent
Rate limitUnpublishedThrottled; identify via User-Agent and respect caching headers (per docs)
In directory since2026-07-052026-07-05
operationalpartialdownno data

AQICN vs Meteorologisk Institutt: common questions

Which is more reliable, AQICN or Meteorologisk Institutt?

On our scheduled checks, Meteorologisk Institutt leads on measured uptime — AQICN at —% versus Meteorologisk Institutt 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 Meteorologisk Institutt need an API key?

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

Can I call AQICN and Meteorologisk Institutt from the browser?

Only Meteorologisk Institutt 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 Meteorologisk Institutt free for commercial use?

AQICN has unclear commercial terms, and Meteorologisk Institutt allows commercial use on its free tier. 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.