Santa Cruz County, Arizona
AQI 45 · Good45
Median AQI
64
90th Percentile
187
Max AQI
272
Days with Data
Ranked #4 of 13 counties in Arizona (by median AQI, lower is better)
Monthly Median AQI — 2025
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45
Median AQI
64
90th Percentile
187
Max AQI
272
Days with Data
Ranked #4 of 13 counties in Arizona (by median AQI, lower is better)
Click a bar to view that month's details