Knox County, Indiana
AQI 38 · Good38
Median AQI
49
90th Percentile
93
Max AQI
231
Days with Data
Ranked #9 of 33 counties in Indiana (by median AQI, lower is better)
Monthly Median AQI — 2025
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38
Median AQI
49
90th Percentile
93
Max AQI
231
Days with Data
Ranked #9 of 33 counties in Indiana (by median AQI, lower is better)
Click a bar to view that month's details