Franklin County, Ohio
AQI 54 · Moderate54
Median AQI
76
90th Percentile
156
Max AQI
274
Days with Data
Ranked #35 of 37 counties in Ohio (by median AQI, lower is better)
Monthly Median AQI — 2025
Click a bar to view that month's details
54
Median AQI
76
90th Percentile
156
Max AQI
274
Days with Data
Ranked #35 of 37 counties in Ohio (by median AQI, lower is better)
Click a bar to view that month's details