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PM2.5 Open Data Portal vs THC Open Mindfulness Resources API

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

APIPM2.5 Open Data PortalHEALTHY89THC Open Mindfulness Resources APIHEALTHY80
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms8871596
P95 · ms13521957
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified
Free tierFree — no API key
Rate limitUnpublished
In directory since2026-07-052026-10-04
operationalpartialdownno data

PM2.5 Open Data Portal vs THC Open Mindfulness Resources API: common questions

Which is more reliable, PM2.5 Open Data Portal or THC Open Mindfulness Resources API?

Both are neck-and-neck — PM2.5 Open Data Portal and THC Open Mindfulness Resources API 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, PM2.5 Open Data Portal or THC Open Mindfulness Resources API?

PM2.5 Open Data Portal has the lower median latency in our checks — PM2.5 Open Data Portal responds in 887 ms versus THC Open Mindfulness Resources API at 1596 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 PM2.5 Open Data Portal and THC Open Mindfulness Resources API need an API key?

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

Can I call PM2.5 Open Data Portal and THC Open Mindfulness Resources API from the browser?

Only THC Open Mindfulness Resources API 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 PM2.5 Open Data Portal and THC Open Mindfulness Resources API free for commercial use?

PM2.5 Open Data Portal has unclear commercial terms, and THC Open Mindfulness Resources API 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.