Pima County, Arizona
AQI 55 · Moderate55
Median AQI
84
90th Percentile
357
Max AQI
273
Days with Data
Ranked #11 of 13 counties in Arizona (by median AQI, lower is better)
Monthly Median AQI — 2025
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55
Median AQI
84
90th Percentile
357
Max AQI
273
Days with Data
Ranked #11 of 13 counties in Arizona (by median AQI, lower is better)
Click a bar to view that month's details