Garrett County, Maryland
AQI 41 · Good41
Median AQI
55
90th Percentile
80
Max AQI
303
Days with Data
Ranked #10 of 16 counties in Maryland (by median AQI, lower is better)
Monthly Median AQI — 2025
Click a bar to view that month's details
41
Median AQI
55
90th Percentile
80
Max AQI
303
Days with Data
Ranked #10 of 16 counties in Maryland (by median AQI, lower is better)
Click a bar to view that month's details