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Luchtmeetnet vs PM2.5 Open Data Portal

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

APILuchtmeetnetNEW—PM2.5 Open Data PortalNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no API keyFree — no API key
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Luchtmeetnet vs PM2.5 Open Data Portal: common questions

Which is more reliable, Luchtmeetnet or PM2.5 Open Data Portal?

On our scheduled checks, PM2.5 Open Data Portal leads on measured uptime — Luchtmeetnet at —% versus PM2.5 Open Data Portal 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 Luchtmeetnet and PM2.5 Open Data Portal need an API key?

Neither needs a paid key — Luchtmeetnet is callable with no signup, and PM2.5 Open Data Portal is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Luchtmeetnet and PM2.5 Open Data Portal from the browser?

Only Luchtmeetnet is browser-friendly — it returns CORS headers over HTTPS. PM2.5 Open Data Portal needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Luchtmeetnet and PM2.5 Open Data Portal free for commercial use?

Luchtmeetnet has unclear commercial terms, and PM2.5 Open Data Portal 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.