Air quality in Montana
Air quality index (AQI⁺) and PM2.5 air pollution in Montana • 09:53, May 19
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
- Bridger CDP
- Custer County
- Lindisfarne
- Park County
- St. Marie
- Stillwater County
- Piltzville62
- Woods Bay47
- St. Ignatius37
- Seeley Lake32
- Deer Lodge27
- Butte24
- East Helena24
- Lewistown23
- Helena22
- Arlee21
- Lewis and Clark County21
- Alberton20
- Libby19
- Cascade County18
- Havre18
- Lakeside18
- Plains18
- Teton County18
- Clinton17
- Gardiner17
- Madison County17
- Wye17
- Big Sky16
- Boulder16
- Cascade16
- Gallatin County16
- Great Falls16
- Helena Valley West Central16
- Kalispell16
- Livingston16
- Ravalli County16
- Judith Basin County15
- Churchill14
- Culbertson14
- Lockwood14
- Missoula14
- Noxon14
- Bigfork13
- Chester13
- Dillon13
- Heart Butte13
- Lake County13
- Phillips County13
- Sweet Grass County13
- East Missoula12
- Four Corners12
- Glacier County12
- Hamilton12
- Lolo12
- Whitefish12
- Absarokee11
- Beaverhead County11
- Billings11
- Bonner-West Riverside11
- Bozeman11
- Charlo11
- Choteau11
- Columbia Falls11
- Lincoln County11
- North Browning11
- Orchard Homes11
- Pablo11
- Potomac11
- Ravalli11
- Sanders County11
- Thompson Falls11
- Big Arm10
- Dayton10
- Flathead County10
- Philipsburg10
- Red Lodge10
- Ronan10
- Victor10
- Anaconda-Deer Lodge County9
- Clancy9
- Corvallis9
- Craig9
- Cut Bank9
- Darby9
- Evergreen9
- Froid9
- Glendive9
- Helena Valley Northeast9
- Helena Valley Northwest9
- Helena Valley Southeast9
- Helena West Side9
- Hill County9
- Hot Springs9
- Lincoln9
- Missoula County9
- Montana City9
- Plentywood9
- Richland9
- Scobey9
- Sidney9
- Somers9
- Sula9
- Sun Prairie9
- Superior9
- Ulm9
- Walkerville9
- Whitehall9
- Wibaux9
- Wisdom9
- Wolf Point9
- Baker8
- Chinook8
- Circle8
- Conrad8
- Coram8
- East Glacier Park Village8
- Eureka8
- Fort Belknap Agency8
- Fort Benton8
- Geyser8
- Malmstrom Air Force Base8
- Manhattan8
- Martin City8
- Polebridge8
- Rudyard8
- Sedan8
- Stanford8
- Three Forks8
- Townsend8
- Virginia City8
- West Glacier8
- White Sulphur Springs8
- Amsterdam7
- Belgrade7
- Big Timber7
- Birney7
- Broadus7
- Colstrip7
- Crow Agency7
- Ekalaka7
- Ennis7
- Forsyth7
- Hardin7
- Harlowton7
- Hysham7
- Jordan7
- Lame Deer7
- Laurel7
- Malta7
- Pryor7
- Roundup7
- Ryegate7
- Shelby7
- Shepherd7
- South Browning7
- Terry7
- West Glendive7
- Wilsall7
- Winnett7
- Big Horn County6
- Dixon6
- Roberts6
- Roosevelt County6
- Frenchtown4
- Toole County4
- Trout Creek4
- Troy4
- Rosebud County0
