Cass County, Minnesota
AQI 22 · Good22
Median AQI
42
90th Percentile
55
Max AQI
90
Days with Data
Ranked #4 of 22 counties in Minnesota (by median AQI, lower is better)
Monthly Median AQI — 2025
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22
Median AQI
42
90th Percentile
55
Max AQI
90
Days with Data
Ranked #4 of 22 counties in Minnesota (by median AQI, lower is better)
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