Allen County, Ohio
AQI 43 · Good43
Median AQI
63
90th Percentile
129
Max AQI
296
Days with Data
Ranked #15 of 37 counties in Ohio (by median AQI, lower is better)
Monthly Median AQI — 2025
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43
Median AQI
63
90th Percentile
129
Max AQI
296
Days with Data
Ranked #15 of 37 counties in Ohio (by median AQI, lower is better)
Click a bar to view that month's details