Fond du Lac County, Wisconsin
AQI 39 · Good39
Median AQI
50
90th Percentile
80
Max AQI
92
Days with Data
Ranked #14 of 29 counties in Wisconsin (by median AQI, lower is better)
Monthly Median AQI — 2025
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39
Median AQI
50
90th Percentile
80
Max AQI
92
Days with Data
Ranked #14 of 29 counties in Wisconsin (by median AQI, lower is better)
Click a bar to view that month's details