Salt Lake County, Utah
AQI 54 · Moderate54
Median AQI
90
90th Percentile
175
Max AQI
305
Days with Data
Ranked #17 of 17 counties in Utah (by median AQI, lower is better)
Monthly Median AQI — 2025
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54
Median AQI
90
90th Percentile
175
Max AQI
305
Days with Data
Ranked #17 of 17 counties in Utah (by median AQI, lower is better)
Click a bar to view that month's details