Ada County, Idaho
AQI 39 · Good39
Median AQI
60
90th Percentile
97
Max AQI
252
Days with Data
Ranked #15 of 19 counties in Idaho (by median AQI, lower is better)
Monthly Median AQI — 2025
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39
Median AQI
60
90th Percentile
97
Max AQI
252
Days with Data
Ranked #15 of 19 counties in Idaho (by median AQI, lower is better)
Click a bar to view that month's details