Air quality in Montana
Air quality index (AQI⁺) and PM2.5 air pollution in Montana • 14:17, Jun 12
Live most polluted city ranking
Real-time Montana most polluted city ranking
Learn more about global air quality
Which is the most polluted city in Montana?
- Great Falls66
- Superior51
- Teton County37
- Butte35
- Hot Springs32
- St. Ignatius29
- Lockwood27
- Boulder26
- Kalispell25
- Plains25
- Darby24
- Four Corners24
- Park City24
- Seeley Lake24
- Shelby24
- Thompson Falls24
- Absarokee23
- Arlee23
- Dillon23
- Dixon23
- Glacier County23
- Helena23
- Lake County23
- Lakeside23
- Lewistown23
- Libby23
- Livingston23
- Orchard Homes23
- Piltzville23
- Stillwater County23
- Churchill22
- Columbia Falls22
- Lincoln County22
- Missoula County22
- Alberton21
- Bozeman21
- East Helena21
- Gallatin County21
- Hamilton21
- Havre21
- Lewis and Clark County21
- Park County21
- Red Lodge21
- Whitefish21
- Bear Dance20
- Big Sky20
- Culbertson20
- Cut Bank20
- Frenchtown20
- Helena Valley West Central20
- Madison County20
- Pablo20
- Troy20
- Deer Lodge19
- Lolo19
- Missoula19
- Noxon19
- Ravalli County19
- Roosevelt County19
- Broadus18
- Cascade18
- Chester18
- Choteau18
- Flathead County18
- Hill County17
- Ronan17
- Trout Creek17
- West Glendive17
- Birney16
- Ekalaka16
- Beaverhead County15
- Cascade County15
- Lindisfarne15
- St. Marie15
- Billings14
- Lame Deer14
- Ulm14
- Woods Bay14
- Anaconda-Deer Lodge County13
- Bonner-West Riverside13
- Charlo13
- Colstrip13
- Craig13
- Custer County13
- East Missoula13
- Geyser13
- Malmstrom Air Force Base13
- Philipsburg13
- Phillips County13
- Potomac13
- Ravalli13
- Sanders County13
- Stevensville13
- Sun Prairie13
- Sweet Grass County13
- Victor13
- Wisdom13
- Wye13
- Big Arm12
- Conrad12
- Dayton12
- Gardiner12
- Marion12
- Miles City12
- North Browning12
- Polson12
- Stanford12
- Sula12
- West Glacier12
- West Yellowstone12
- Baker11
- Bigfork11
- Browning11
- Coram11
- Crow Agency11
- East Glacier Park Village11
- Evergreen11
- Forsyth11
- Hardin11
- Laurel11
- Martin City11
- Polebridge11
- Pryor11
- Roundup11
- Ryegate11
- Shepherd11
- Somers11
- South Browning11
- Big Horn County10
- Columbus10
- Corvallis10
- Harlowton10
- Hysham10
- Wilsall10
- Amsterdam9
- Belgrade9
- Big Timber9
- Clancy9
- Ennis9
- Froid9
- Helena Valley Northeast9
- Helena Valley Northwest9
- Helena Valley Southeast9
- Helena West Side9
- Lincoln9
- Manhattan9
- Montana City9
- Richland9
- Roberts9
- Rudyard9
- Sidney9
- Three Forks9
- Townsend9
- Virginia City9
- Walkerville9
- White Sulphur Springs9
- Whitehall9
- Wibaux9
- Eureka8
- Fort Benton8
- Plentywood8
- Terry8
- Chinook7
- Fort Belknap Agency7
- Malta7
- Scobey7
- Winnett7
- Circle6
- Glasgow6
- Glendive6
- Heart Butte6
- Jordan6
- Sedan6
- Wolf Point6
- Clinton3
- Toole County2
- Rosebud County1
