Lincoln County, Montana
AQI 45 · Good45
Median AQI
67
90th Percentile
92
Max AQI
176
Days with Data
Ranked #23 of 23 counties in Montana (by median AQI, lower is better)
Monthly Median AQI — 2025
Click a bar to view that month's details
45
Median AQI
67
90th Percentile
92
Max AQI
176
Days with Data
Ranked #23 of 23 counties in Montana (by median AQI, lower is better)
Click a bar to view that month's details