Keweenaw County, Michigan
AQI 7 · Good7
Median AQI
16
90th Percentile
27
Max AQI
19
Days with Data
Ranked #1 of 27 counties in Michigan (by median AQI, lower is better)
Monthly Median AQI — 2025
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7
Median AQI
16
90th Percentile
27
Max AQI
19
Days with Data
Ranked #1 of 27 counties in Michigan (by median AQI, lower is better)
Click a bar to view that month's details