Rosebud County, Montana
AQI 4 · Good4
Median AQI
17
90th Percentile
21
Max AQI
18
Days with Data
Ranked #2 of 23 counties in Montana (by median AQI, lower is better)
Monthly Median AQI — 2025
Click a bar to view that month's details
4
Median AQI
17
90th Percentile
21
Max AQI
18
Days with Data
Ranked #2 of 23 counties in Montana (by median AQI, lower is better)
Click a bar to view that month's details