Air quality in Montana
Air quality index (AQI⁺) and PM2.5 air pollution in Montana • 06:50, Jun 16
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 Dance49
- Lockwood49
- Lake County44
- Heart Butte41
- Lindisfarne41
- Thompson Falls40
- St. Ignatius39
- North Browning36
- Plains36
- Columbia Falls34
- Lakeside34
- Libby34
- Alberton33
- East Helena33
- Kalispell33
- Noxon33
- Superior33
- Troy33
- Boulder32
- Butte32
- Helena32
- Helena Valley West Central32
- Lewis and Clark County32
- Pablo32
- Whitefish32
- Woods Bay32
- Choteau31
- Hot Springs31
- Shelby31
- Trout Creek31
- Deer Lodge30
- Cascade29
- Lewistown29
- Marion29
- Missoula29
- Park City29
- Arlee28
- Cascade County28
- Glacier County28
- Lolo28
- Orchard Homes28
- Piltzville28
- Cut Bank27
- Madison County27
- Ravalli County27
- Sweet Grass County27
- Billings26
- Livingston26
- Sanders County26
- Sedan26
- Flathead County25
- Missoula County25
- Clinton24
- Lincoln County24
- Ronan24
- Dillon23
- Eureka23
- Bozeman22
- Gallatin County22
- Great Falls22
- Hill County22
- Judith Basin County22
- Ulm22
- Park County21
- Phillips County21
- St. Marie21
- Stillwater County21
- Frenchtown20
- Hamilton20
- Big Horn County19
- Churchill19
- Havre19
- Big Sky18
- Absarokee17
- Big Arm17
- Culbertson17
- Darby17
- Dayton17
- Roberts17
- Seeley Lake17
- West Glendive17
- Bigfork16
- Charlo16
- Chester16
- Coram16
- East Glacier Park Village16
- Evergreen16
- Martin City16
- Polebridge16
- Polson16
- Ravalli16
- Red Lodge16
- Roosevelt County16
- Somers16
- Toole County16
- Bonner-West Riverside14
- Browning14
- Clancy14
- Conrad14
- Corvallis14
- Craig14
- East Missoula14
- Helena Valley Northeast14
- Helena Valley Northwest14
- Helena Valley Southeast14
- Helena West Side14
- Lincoln14
- Montana City14
- Philipsburg14
- Potomac14
- South Browning14
- Stevensville14
- Teton County14
- Victor14
- Wye14
- Amsterdam13
- Anaconda-Deer Lodge County13
- Belgrade13
- Big Timber13
- Birney13
- Broadus13
- Ekalaka13
- Ennis13
- Fort Benton13
- Four Corners13
- Geyser13
- Harlowton13
- Malmstrom Air Force Base13
- Manhattan13
- Rosebud County13
- Rudyard13
- Stanford13
- Sula13
- Sun Prairie13
- Three Forks13
- Townsend13
- Virginia City13
- Walkerville13
- White Sulphur Springs13
- Whitehall13
- Wilsall13
- Wisdom13
- Baker12
- Circle12
- Gardiner12
- Glendive12
- West Yellowstone12
- Wibaux12
- Wolf Point12
- Beaverhead County11
- Bridger CDP11
- Columbus11
- Crow Agency11
- Glasgow11
- Hardin11
- Lame Deer11
- Laurel11
- Pryor11
- Richland11
- Roundup11
- Ryegate11
- Shepherd11
- Sidney11
- Winnett11
- Chinook10
- Fort Belknap Agency10
- Hysham10
- Malta10
- Scobey10
- Colstrip9
- Forsyth9
- Froid9
- Jordan9
- Plentywood9
- Terry9
- Custer County8
- Miles City8
- West Glacier6
