Saint Louis County, Minnesota
AQI 38 · Good38
Median AQI
50
90th Percentile
108
Max AQI
223
Days with Data
Ranked #19 of 22 counties in Minnesota (by median AQI, lower is better)
Monthly Median AQI — 2025
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38
Median AQI
50
90th Percentile
108
Max AQI
223
Days with Data
Ranked #19 of 22 counties in Minnesota (by median AQI, lower is better)
Click a bar to view that month's details