Air quality in Montana
Air quality index (AQI⁺) and PM2.5 air pollution in Montana • 22:38, May 20
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?
- Bear Dance
- Lindisfarne
- Thompson Falls52
- Lewis and Clark County33
- West Glacier33
- Flathead County32
- Lewistown31
- Lockwood29
- Missoula29
- Livingston28
- Alberton26
- Dillon26
- Trout Creek26
- Rosebud County24
- Sedan23
- Glacier County22
- Red Lodge22
- Absarokee21
- Gardiner21
- Noxon21
- Shelby21
- Darby19
- Dixon19
- Sanders County19
- Teton County19
- Whitefish19
- Big Timber18
- Ryegate18
- Troy18
- Big Horn County17
- Chester17
- Hamilton17
- Havre17
- Madison County17
- Roundup17
- Arlee16
- Custer County16
- Hill County16
- Libby16
- Lolo16
- Ravalli County16
- Shepherd16
- Colstrip15
- Forsyth15
- Hardin15
- Hysham15
- Laurel15
- Big Sky14
- Butte14
- Clinton14
- Cut Bank14
- Gallatin County14
- Harlowton14
- Lame Deer14
- Plains14
- Ronan14
- Roosevelt County14
- Toole County14
- Winnett14
- Baker13
- Big Arm13
- Bigfork13
- Conrad13
- Coram13
- Culbertson13
- Dayton13
- East Glacier Park Village13
- Ekalaka13
- Eureka13
- Evergreen13
- Glendive13
- Jordan13
- Marion13
- Martin City13
- Pablo13
- Polebridge13
- Somers13
- South Browning13
- Sula13
- Superior13
- Terry13
- Virginia City13
- West Yellowstone13
- Wibaux13
- Wilsall13
- Wisdom13
- Billings12
- Crow Agency12
- Ennis12
- Four Corners12
- Orchard Homes12
- Richland12
- Sidney12
- Stanford12
- Amsterdam11
- Anaconda-Deer Lodge County11
- Belgrade11
- Birney11
- Bonner-West Riverside11
- Broadus11
- Charlo11
- Clancy11
- Corvallis11
- Craig11
- East Missoula11
- Geyser11
- Helena Valley Northeast11
- Helena Valley Northwest11
- Helena Valley Southeast11
- Helena West Side11
- Hot Springs11
- Lincoln11
- Manhattan11
- Montana City11
- Philipsburg11
- Piltzville11
- Potomac11
- Pryor11
- Ravalli11
- Three Forks11
- Townsend11
- Victor11
- Walkerville11
- White Sulphur Springs11
- Whitehall11
- Lincoln County10
- Park County10
- Sun Prairie10
- Boulder9
- Fort Belknap Agency9
- Kalispell9
- Malmstrom Air Force Base9
- Malta9
- Sweet Grass County9
- Chinook8
- Circle8
- Fort Benton8
- Missoula County8
- Phillips County8
- Rudyard8
- Scobey8
- St. Ignatius8
- Wolf Point8
- Woods Bay8
- Wye8
- Beaverhead County7
- Churchill7
- Deer Lodge7
- Froid7
- Great Falls7
- Judith Basin County7
- North Browning7
- Plentywood7
- Seeley Lake7
- Stillwater County7
- Cascade County6
- Choteau6
- Frenchtown6
- Heart Butte6
- Lake County6
- St. Marie6
- West Glendive6
- Bozeman5
- Lakeside5
- Cascade4
- Helena4
- Helena Valley West Central4
- Bridger CDP3
- Columbia Falls3
- East Helena3
- Roberts3
- Ulm2
