Grant County, Wisconsin
AQI 37 · Good37
Median AQI
65
90th Percentile
119
Max AQI
181
Days with Data
Ranked #7 of 29 counties in Wisconsin (by median AQI, lower is better)
Monthly Median AQI — 2025
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37
Median AQI
65
90th Percentile
119
Max AQI
181
Days with Data
Ranked #7 of 29 counties in Wisconsin (by median AQI, lower is better)
Click a bar to view that month's details