Air quality in Montana
Air quality index (AQI⁺) and PM2.5 air pollution in Montana • 11:37, 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 Falls46
- Superior46
- Butte39
- Phillips County39
- Hot Springs30
- Libby28
- St. Ignatius28
- Whitefish26
- Bear Dance23
- Boulder23
- Lockwood22
- Park County21
- Stillwater County21
- Darby20
- Pablo20
- Park City20
- Churchill19
- East Helena18
- Lewis and Clark County18
- Plains18
- Thompson Falls18
- Columbia Falls17
- Glacier County17
- Helena17
- Lakeside17
- Seeley Lake17
- Billings16
- Four Corners16
- Gallatin County16
- Livingston16
- Choteau15
- Kalispell15
- Absarokee14
- Arlee14
- Lake County14
- Lewistown14
- Lincoln County14
- Big Sky13
- Bozeman13
- Cut Bank13
- Frenchtown13
- Madison County13
- Noxon13
- Orchard Homes13
- Ravalli County13
- Ronan13
- Sanders County13
- Shelby13
- Sweet Grass County13
- Teton County13
- Troy13
- Baker12
- Charlo12
- Deer Lodge12
- Ekalaka12
- Hamilton12
- Missoula12
- Ravalli12
- Red Lodge12
- West Glendive12
- Wibaux12
- Bonner-West Riverside11
- Circle11
- East Missoula11
- Glendive11
- Hill County11
- Lolo11
- Polson11
- Potomac11
- St. Marie11
- Stevensville11
- Terry11
- Victor11
- Wye11
- Big Arm10
- Big Horn County10
- Culbertson10
- Marion10
- Miles City10
- Birney9
- Broadus9
- Colstrip9
- Dayton9
- Eureka9
- Forsyth9
- Geyser9
- Helena Valley West Central9
- Hysham9
- Lame Deer9
- Roberts9
- Sidney9
- Stanford9
- Winnett9
- Woods Bay9
- Alberton8
- Anaconda-Deer Lodge County8
- Bigfork8
- Browning8
- Cascade County8
- Chinook8
- Conrad8
- Corvallis8
- Craig8
- Custer County8
- East Glacier Park Village8
- Evergreen8
- Flathead County8
- Fort Belknap Agency8
- Fort Benton8
- Froid8
- Glasgow8
- Helena Valley Northeast8
- Helena Valley Northwest8
- Helena West Side8
- Jordan8
- Lincoln8
- Malmstrom Air Force Base8
- Malta8
- Missoula County8
- North Browning8
- Philipsburg8
- Plentywood8
- Polebridge8
- Richland8
- Roosevelt County8
- Scobey8
- Somers8
- South Browning8
- Sun Prairie8
- Walkerville8
- Wisdom8
- Chester7
- Clancy7
- Coram7
- Helena Valley Southeast7
- Lindisfarne7
- Martin City7
- Montana City7
- Piltzville7
- Sula7
- Ulm7
- Virginia City7
- West Yellowstone7
- Whitehall7
- Amsterdam6
- Beaverhead County6
- Belgrade6
- Big Timber6
- Cascade6
- Columbus6
- Crow Agency6
- Dillon6
- Ennis6
- Gardiner6
- Hardin6
- Harlowton6
- Heart Butte6
- Laurel6
- Manhattan6
- Pryor6
- Roundup6
- Rudyard6
- Ryegate6
- Sedan6
- Shepherd6
- Three Forks6
- Townsend6
- White Sulphur Springs6
- Wilsall6
- Wolf Point6
- Havre5
- Trout Creek5
- Dixon4
- West Glacier4
- Clinton3
- Toole County2
- Rosebud County1
