Kane County, Illinois
AQI 46 · Good46
Median AQI
83
90th Percentile
165
Max AQI
273
Days with Data
Ranked #20 of 23 counties in Illinois (by median AQI, lower is better)
Monthly Median AQI — 2025
Click a bar to view that month's details
46
Median AQI
83
90th Percentile
165
Max AQI
273
Days with Data
Ranked #20 of 23 counties in Illinois (by median AQI, lower is better)
Click a bar to view that month's details