Washington County, Minnesota
AQI 37 · Good37
Median AQI
49
90th Percentile
84
Max AQI
121
Days with Data
Ranked #14 of 22 counties in Minnesota (by median AQI, lower is better)
Monthly Median AQI — 2025
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37
Median AQI
49
90th Percentile
84
Max AQI
121
Days with Data
Ranked #14 of 22 counties in Minnesota (by median AQI, lower is better)
Click a bar to view that month's details