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Minnesota air quality today

Updated · LIVE · 3 metros tracked

Across the 3 Minnesota metros we measure, air is worst right now in Rochester at AQI 32 (Good) and cleanest in St. Paul at AQI 27.

Every Minnesota metro we track

#MetroAQIUV nowDominant
1 Rochesterno page yet 32Good 6 O3
2 Minneapolis 27Good 4.3 O3
3 St. Paulno page yet 27Good 4.3 O3

Sun over Minnesota today

The strongest UV in Minnesota today is 6.3 (High) in Rochester, arriving around 1pm local time. The mildest of the 3 metros we model here peaks at 5 in St. Paul.

6.3 Rochester 1pm5 Minneapolis 2pm5 St. Paul 2pm

UV is modelled, not measured — unlike the AQI above it, which comes off an instrument. Hour by hour in Minneapolis →

What stands behind these Minnesota numbers

3 of the 3 metros here report from a named regulatory monitor — Twin Cities, Rochester Area, Twin Cities. The dominant pollutant across Minnesota today is O3.

We track 3 metropolitan areas in Minnesota, not the whole state, and 1 of them has a page of its own. There is no state-wide average here on purpose: averaging 3 metros into one figure would invent a value for all the ground between them. How we measure, and what we refuse to estimate →

Neighbouring states

Smoke and inversions do not stop at a state line, so when Minnesota looks wrong the answer is often next door.

IowaNorth DakotaSouth DakotaWisconsin
Worst air in the US right nowHow Minnesota compares against every metro we track What the number meansEPA bands, and where “unhealthy for everyone” starts

Updated