Miami County, Ohio
AQI 41 · Good41
Median AQI
64
90th Percentile
101
Max AQI
209
Days with Data
Ranked #10 of 37 counties in Ohio (by median AQI, lower is better)
Monthly Median AQI — 2025
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41
Median AQI
64
90th Percentile
101
Max AQI
209
Days with Data
Ranked #10 of 37 counties in Ohio (by median AQI, lower is better)
Click a bar to view that month's details