Air quality in Montana
Air quality index (AQI⁺) and PM2.5 air pollution in Montana • 18:26, Jun 22
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?
- Missoula38
- Lewistown35
- Lockwood34
- Roberts34
- Livingston32
- Pablo32
- Alberton31
- Bozeman31
- Dillon31
- Lewis and Clark County31
- Trout Creek30
- Big Sky29
- Boulder29
- Bridger CDP29
- Churchill29
- Darby29
- Gallatin County29
- Madison County29
- St. Ignatius29
- Thompson Falls29
- Plains28
- Stillwater County28
- Columbia Falls27
- Hamilton27
- Park County27
- Ravalli County27
- Sanders County27
- Sweet Grass County27
- Beaverhead County26
- Deer Lodge26
- Lolo26
- Noxon26
- Seeley Lake26
- Whitefish26
- Woods Bay26
- Arlee25
- Flathead County25
- Libby25
- Bear Dance24
- Billings24
- Culbertson24
- Kalispell24
- Lakeside24
- Lincoln County24
- Orchard Homes24
- Troy24
- West Glacier24
- Dixon23
- East Helena23
- Frenchtown23
- Missoula County23
- Lake County22
- Piltzville22
- Sedan22
- Big Horn County21
- Clinton21
- West Glendive20
- Helena19
- Four Corners18
- Heart Butte18
- Helena Valley West Central18
- Ronan18
- Glacier County17
- Pryor17
- Red Lodge17
- Chester16
- Columbus16
- Corvallis16
- Crow Agency16
- Hardin16
- Laurel16
- Park City16
- Shepherd16
- Sula16
- Superior16
- Wisdom16
- Cut Bank15
- Havre15
- Roosevelt County15
- Stevensville15
- Victor15
- Absarokee14
- Anaconda-Deer Lodge County14
- Birney14
- Bonner-West Riverside14
- Charlo14
- Choteau14
- Colstrip14
- East Missoula14
- Great Falls14
- Hysham14
- Lame Deer14
- Lindisfarne14
- Philipsburg14
- Potomac14
- Ravalli14
- Rosebud County14
- Roundup14
- Ryegate14
- Walkerville14
- Wye14
- Big Timber13
- Broadus13
- Butte13
- Cascade County13
- Forsyth13
- Hot Springs13
- North Browning13
- Shelby13
- St. Marie13
- Baker12
- Custer County12
- Ekalaka12
- Harlowton12
- Miles City12
- Terry12
- Winnett12
- Amsterdam11
- Belgrade11
- Circle11
- Ennis11
- Froid11
- Gardiner11
- Glasgow11
- Glendive11
- Jordan11
- Manhattan11
- Phillips County11
- Plentywood11
- Richland11
- Scobey11
- Sidney11
- Three Forks11
- Virginia City11
- West Yellowstone11
- Whitehall11
- Wibaux11
- Wilsall11
- Wolf Point11
- Big Arm10
- Clancy10
- Dayton10
- Helena Valley Southeast10
- Helena West Side10
- Marion10
- Montana City10
- Polson10
- Townsend10
- Bigfork9
- Cascade9
- Craig9
- Evergreen9
- Helena Valley Northeast9
- Helena Valley Northwest9
- Lincoln9
- Somers9
- Toole County9
- White Sulphur Springs9
- Coram8
- Fort Belknap Agency8
- Geyser8
- Malta8
- Martin City8
- Stanford8
- Chinook7
- Eureka7
- Judith Basin County7
- Malmstrom Air Force Base7
- Polebridge7
- Sun Prairie7
- Teton County7
- Ulm7
- Browning6
- Conrad6
- East Glacier Park Village6
- Fort Benton6
- Rudyard6
- South Browning6
