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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 | Lambert | 34 |
| 2 | Miles City | 33 |
| 3 | Great Falls | 32 |
| 4 | West Glacier | 28 |
| 5 | Pablo | 24 |
| 6 | Chester | 23 |
| 7 | Hot Springs | 21 |
| 8 | Lewistown | 21 |
| 9 | Thompson Falls | 20 |
| 10 | Columbus | 19 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
118 Contributors
See all
LIVE AQI CITY RANKING
Real-time Montana
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Lolo | 1 |
| 2 | Wisdom | 1 |
| 3 | West Yellowstone | 2 |
| 4 | Big Sky | 3 |
| 5 | Lincoln | 3 |
| 6 | Missoula | 3 |
| 7 | Browning | 4 |
| 8 | Choteau | 4 |
| 9 | Livingston | 4 |
| 10 | Polson | 4 |
(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
118Contributors
- 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
- 113 Anonymous contributors
113 stations
113 Anonymous Contributors
Which is the most polluted city in Montana?
- Lambert 34
- Miles City 33
- Great Falls 32
- West Glacier 28
- Pablo 24
- Chester 23
- Hot Springs 21
- Lewistown 21
- Sun Prairie 20
- Thompson Falls 20
- Columbus 19
- Absarokee 17
- Bonner-West Riverside 17
- East Helena 17
- Billings 16
- Crow Agency 16
- Fort Benton 16
- Frenchtown 16
- Hardin 16
- Helena Valley West Central 16
- Malmstrom Air Force Base 16
- Conrad 15
- Evergreen 15
- Havre 15
- Helena 15
- Manhattan 15
- Shelby 15
- South Browning 15
- White Sulphur Springs 15
- Birney 14
- Colstrip 14
- Cut Bank 14
- Ekalaka 14
- Hamilton 14
- Lame Deer 14
- Laurel 14
- Stanford 14
- Baker 13
- Bozeman 13
- Forsyth 13
- Harlowton 13
- Hysham 13
- Three Forks 13
- Winnett 13
- Chinook 12
- Circle 12
- Fort Belknap Agency 12
- Four Corners 12
- Glendive 12
- Jordan 12
- Malta 12
- Seeley Lake 12
- Sidney 12
- Somers 12
- Terry 12
- Townsend 12
- West Glendive 12
- Wibaux 12
- Wolf Point 12
- Big Timber 11
- Eureka 11
- Glasgow 11
- Lakeside 11
- Noxon 11
- Plentywood 11
- Scobey 11
- Stevensville 11
- Belgrade 10
- Broadus 10
- Lockwood 10
- Plains 10
- Red Lodge 10
- Roundup 10
- Ryegate 10
- Boulder 9
- Butte 9
- Butte-Silver Bow (Balance) 9
- Clancy 9
- Clinton 9
- Deer Lodge 9
- Dillon 9
- Helena Valley Northeast 9
- Helena Valley Northwest 9
- Helena Valley Southeast 9
- Helena West Side 9
- Montana City 9
- Warm Springs 9
- Whitehall 9
- Anaconda 8
- Charlo 8
- Columbia Falls 8
- Philipsburg 8
- Ravalli 8
- Whitefish 8
- Dayton 7
- Arlee 6
- East Missoula 6
- Kalispell 6
- Libby 6
- Ronan 6
- Virginia City 6
- Bigfork 5
- North Browning 5
- Orchard Homes 5
- Browning 4
- Choteau 4
- Livingston 4
- Polson 4
- Superior 4
- Big Sky 3
- Lincoln 3
- Missoula 3
- West Yellowstone 2
- Lolo 1
- Wisdom 1
AQI US, Metric