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Air quality in Montana
Air quality index (AQI) and PM2.5 air pollution in Montana
LIVE AQI CITY RANKING
Real-time Montana
Most polluted city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Broadus | 54 |
| 2 | Clinton | 46 |
| 3 | Cut Bank | 42 |
| 4 | West Glendive | 37 |
| 5 | Lambert | 31 |
| 6 | Miles City | 28 |
| 7 | Thompson Falls | 25 |
| 8 | Eureka | 23 |
| 9 | West Glacier | 23 |
| 10 | Great Falls | 21 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
120 Contributors
See all
LIVE AQI CITY RANKING
Real-time Montana
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Lolo | 0 |
| 2 | Ravalli | 5 |
| 3 | Anaconda | 6 |
| 4 | Big Sky | 6 |
| 5 | Choteau | 6 |
| 6 | Helena Valley West Central | 6 |
| 7 | Hamilton | 7 |
| 8 | Butte | 8 |
| 9 | Lincoln | 8 |
| 10 | North Browning | 8 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
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The latest air quality news and resources.
Montana air quality data attribution
120Contributors
- USA National Park Service
5 stations
- Montana Department of Environmental Quality
3 stations
2 Government Contributors
- Nyet
1 station
- Abi D.
1 station
- Crosscut Mountain Sports Center
1 station
3 Individual Contributors
- 115 Anonymous contributors
115 stations
115 Anonymous Contributors
Which is the most polluted city in Montana?
- Broadus 54
- Clinton 46
- Cut Bank 42
- West Glendive 37
- Lambert 31
- Miles City 28
- Laurel 27
- Lockwood 25
- Thompson Falls 25
- Eureka 23
- West Glacier 23
- Ekalaka 22
- White Sulphur Springs 22
- Baker 21
- Glendive 21
- Great Falls 21
- Wibaux 21
- Columbus 20
- Sidney 20
- Colstrip 19
- Lame Deer 19
- Seeley Lake 19
- Terry 19
- Hot Springs 18
- Manhattan 18
- Pablo 18
- Ryegate 18
- Absarokee 17
- Birney 17
- Charlo 17
- Circle 17
- Crow Agency 16
- Four Corners 16
- Kalispell 16
- Plentywood 16
- South Browning 16
- Townsend 16
- Wolf Point 16
- Arlee 15
- Columbia Falls 15
- Dayton 15
- Deer Lodge 15
- Frenchtown 15
- Helena Valley Northwest 15
- Helena West Side 15
- Hysham 15
- Lakeside 15
- Noxon 15
- Ronan 15
- Roundup 15
- Scobey 15
- Boulder 14
- Chester 14
- Forsyth 14
- Harlowton 14
- Helena Valley Northeast 14
- Helena Valley Southeast 14
- Libby 14
- Malmstrom Air Force Base 14
- Polson 14
- Somers 14
- Stevensville 14
- Sun Prairie 14
- Three Forks 14
- Warm Springs 14
- Whitefish 14
- Bonner-West Riverside 13
- Clancy 13
- Conrad 13
- Evergreen 13
- Montana City 13
- Big Timber 12
- Billings 12
- Bozeman 12
- Browning 12
- Butte-Silver Bow (Balance) 12
- East Helena 12
- Livingston 12
- Malta 12
- Philipsburg 12
- Shelby 12
- Whitehall 12
- Bigfork 11
- Glasgow 11
- Havre 11
- Helena 11
- Jordan 11
- Lewistown 11
- Missoula 11
- Fort Benton 10
- Hardin 10
- Plains 10
- Red Lodge 10
- Stanford 10
- Virginia City 10
- West Yellowstone 10
- Belgrade 9
- Chinook 9
- Dillon 9
- Fort Belknap Agency 9
- Superior 9
- Winnett 9
- Butte 8
- East Missoula 8
- Lincoln 8
- North Browning 8
- Orchard Homes 8
- Wisdom 8
- Hamilton 7
- Anaconda 6
- Big Sky 6
- Choteau 6
- Helena Valley West Central 6
- Ravalli 5
- Lolo 0
AQI US, Metric