Luchtmeetnet vs US Weather

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms806223
P95 · ms19262086
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedU.S. Government work / public domain
Free tierFree — no API keyFree (US Government public data)
Rate limitUnpublishedUnpublished (asks for a User-Agent identifying your app)
In directory since2026-07-052026-07-05
operationalpartialdownno data

Luchtmeetnet vs US Weather: common questions

Which is more reliable, Luchtmeetnet or US Weather?

Both are neck-and-neck — Luchtmeetnet and US Weather each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, Luchtmeetnet or US Weather?

US Weather has the lower median latency in our checks — Luchtmeetnet responds in 806 ms versus US Weather at 223 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do Luchtmeetnet and US Weather need an API key?

Neither needs a paid key — Luchtmeetnet is callable with no signup, and US Weather is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Luchtmeetnet and US Weather from the browser?

Yes — both Luchtmeetnet and US Weather send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Luchtmeetnet and US Weather free for commercial use?

Luchtmeetnet has unclear commercial terms, and US Weather 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.