Alamosa County, Colorado
AQI 24 · Good24
Median AQI
49
90th Percentile
76
Max AQI
273
Days with Data
Ranked #6 of 27 counties in Colorado (by median AQI, lower is better)
Monthly Median AQI — 2025
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24
Median AQI
49
90th Percentile
76
Max AQI
273
Days with Data
Ranked #6 of 27 counties in Colorado (by median AQI, lower is better)
Click a bar to view that month's details