Johnson County, Kansas
AQI 43 · Good43
Median AQI
60
90th Percentile
188
Max AQI
181
Days with Data
Ranked #7 of 12 counties in Kansas (by median AQI, lower is better)
Monthly Median AQI — 2025
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43
Median AQI
60
90th Percentile
188
Max AQI
181
Days with Data
Ranked #7 of 12 counties in Kansas (by median AQI, lower is better)
Click a bar to view that month's details