Air quality in Montana
Air quality index (AQI⁺) and PM2.5 air pollution in Montana • 12:23, Jun 18
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?
- Bonner-West Riverside54
- East Missoula54
- Ravalli54
- Stevensville54
- Superior54
- Victor54
- Wye54
- Anaconda-Deer Lodge County53
- Charlo53
- Hot Springs53
- Philipsburg53
- Potomac53
- Sula53
- Wisdom52
- Great Falls49
- Polson49
- Big Arm44
- Plains42
- Libby40
- Dayton39
- Thompson Falls38
- Noxon36
- Boulder35
- Columbia Falls35
- St. Ignatius34
- Darby32
- Trout Creek32
- Dillon31
- Alberton30
- Lakeside29
- Lewistown29
- Missoula29
- Orchard Homes29
- Pablo29
- Piltzville29
- Frenchtown28
- Seeley Lake28
- Arlee27
- Churchill27
- Kalispell27
- Lolo27
- Marion27
- Ravalli County27
- Troy27
- Walkerville27
- Deer Lodge26
- Park County26
- Somers26
- Bozeman25
- Hamilton25
- Missoula County25
- Whitefish25
- Clinton24
- Gallatin County24
- Lake County24
- Lewis and Clark County24
- Lincoln County24
- Sedan24
- Woods Bay24
- Beaverhead County23
- Bigfork23
- Evergreen23
- Livingston23
- Lindisfarne22
- Lockwood22
- Sweet Grass County22
- Big Sky21
- Rosebud County21
- Bear Dance20
- East Helena20
- Helena20
- Madison County20
- Roosevelt County20
- Big Horn County19
- Coram19
- Corvallis19
- Eureka19
- Flathead County19
- Martin City19
- Red Lodge19
- Stillwater County19
- West Glacier19
- West Glendive19
- Dixon18
- Helena Valley West Central18
- Polebridge18
- Ronan18
- Sanders County18
- Roberts17
- Bridger CDP16
- Lincoln16
- St. Marie16
- Billings15
- West Yellowstone15
- Amsterdam14
- Baker14
- Belgrade14
- Culbertson14
- East Glacier Park Village14
- Ennis14
- Four Corners14
- Gardiner14
- Manhattan14
- Plentywood14
- Scobey14
- Three Forks14
- Virginia City14
- Whitehall14
- Clancy13
- Craig13
- Heart Butte13
- Helena Valley Northeast13
- Helena Valley Northwest13
- Helena Valley Southeast13
- Helena West Side13
- Montana City13
- Townsend13
- White Sulphur Springs13
- Wilsall13
- Birney12
- Broadus12
- Browning12
- Butte12
- Ekalaka12
- Froid12
- Lame Deer12
- Malmstrom Air Force Base12
- South Browning12
- Sun Prairie12
- Teton County12
- Big Timber11
- Colstrip11
- Columbus11
- Crow Agency11
- Custer County11
- Geyser11
- Glendive11
- Hardin11
- Miles City11
- Pryor11
- Richland11
- Sidney11
- Wibaux11
- Circle10
- Conrad10
- Forsyth10
- Hysham10
- Laurel10
- Park City10
- Shepherd10
- Stanford10
- Terry10
- Wolf Point10
- Chinook9
- Fort Belknap Agency9
- Fort Benton9
- Glasgow9
- Harlowton9
- Jordan9
- Malta9
- North Browning9
- Roundup9
- Rudyard9
- Ryegate9
- Cascade County8
- Chester8
- Choteau8
- Phillips County8
- Winnett8
- Glacier County7
- Cascade6
- Judith Basin County6
- Cut Bank5
- Shelby3
- Havre2
- Hill County2
- Ulm2
- Toole County1
