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AirHistory

Air Quality in Minnesota

10-year air quality trends for 21 monitored areas in Minnesota.

See full Minnesota air quality rankings →
21
Cities
36
Avg AQI (5yr)
7
Improving
0
Stable
14
Worsening

All Monitored Areas in Minnesota

Cook, Minnesota

Cook County · AQI 12 (5yr avg) · Improving · PM2.5

A

Winona, Minnesota

Winona County · AQI 23 (5yr avg) · Improving · PM2.5

B

Washington, Minnesota

Washington County · AQI 37 (5yr avg) · Improving · Ozone

B

Carlton, Minnesota

Carlton County · AQI 29 (5yr avg) · Stable · Ozone

B

Beltrami, Minnesota

Beltrami County · AQI 27 (5yr avg) · Worsening · PM2.5

B

Ramsey, Minnesota

Ramsey County · AQI 41 (5yr avg) · Improving · PM2.5

B

Saint Louis, Minnesota

Saint Louis County · AQI 39 (5yr avg) · Stable · PM2.5

B

Hennepin, Minnesota

Hennepin County · AQI 47 (5yr avg) · Improving · PM2.5

C

Lake, Minnesota

Lake County · AQI 33 (5yr avg) · Worsening · PM2.5

C

Goodhue, Minnesota

Goodhue County · AQI 38 (5yr avg) · Worsening · Ozone

C

Anoka, Minnesota

Anoka County · AQI 41 (5yr avg) · Stable · Ozone

C

Crow Wing, Minnesota

Crow Wing County · AQI 36 (5yr avg) · Worsening · PM2.5

C

Mille Lacs, Minnesota

Mille Lacs County · AQI 35 (5yr avg) · Worsening · Ozone

C

Olmsted, Minnesota

Olmsted County · AQI 41 (5yr avg) · Worsening · PM2.5

C

Dakota, Minnesota

Dakota County · AQI 40 (5yr avg) · Worsening · PM2.5

C

Lyon, Minnesota

Lyon County · AQI 38 (5yr avg) · Worsening · PM2.5

C

Stearns, Minnesota

Stearns County · AQI 39 (5yr avg) · Worsening · PM2.5

C

Becker, Minnesota

Becker County · AQI 39 (5yr avg) · Worsening · PM2.5

C

Wright, Minnesota

Wright County · AQI 41 (5yr avg) · Worsening · PM2.5

C

Scott, Minnesota

Scott County · AQI 41 (5yr avg) · Worsening · Ozone

C

Cass, Minnesota

Cass County · AQI 32 (5yr avg) · Worsening · PM2.5

C
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Frequently Asked Questions

Minnesota has 21 monitored areas with an average 5-year AQI of 36 and an average Air Quality Grade of B. 7 cities are improving, 14 are worsening, and 0 are stable.

Cook, Minnesota has the best Air Quality Grade (A) in Minnesota with a 5-year average AQI of 12.

Of 21 monitored areas in Minnesota, 7 are showing improving trends, 14 are worsening, and 0 remain stable over the past decade.

Sources: EPA Air Quality System (AQS)
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