Air quality in Montana
Air quality index (AQI⁺) and PM2.5 air pollution in Montana • 04:38, Jun 12
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 Dance29
- Lewis and Clark County24
- Troy24
- Ulm23
- Butte22
- Cascade21
- Pablo20
- Red Lodge20
- Whitefish20
- Lewistown19
- Lockwood19
- Phillips County19
- Sanders County19
- Billings18
- Alberton17
- East Helena17
- Glacier County17
- Missoula17
- Superior17
- Wye17
- Bonner-West Riverside16
- East Missoula16
- Helena16
- Hill County16
- Park City16
- Ravalli16
- Stevensville16
- Victor16
- Absarokee15
- Charlo14
- Shelby14
- Sweet Grass County14
- Anaconda-Deer Lodge County13
- Big Horn County13
- Big Sky13
- Boulder13
- Dillon13
- Great Falls13
- Heart Butte13
- Hot Springs13
- Lake County13
- Livingston13
- Madison County13
- Piltzville13
- Potomac13
- Stillwater County13
- Sula13
- Woods Bay13
- Big Arm12
- Birney12
- Broadus12
- Dayton12
- Gallatin County12
- Gardiner12
- Lakeside12
- Libby12
- Lincoln County12
- Lindisfarne12
- Park County12
- Philipsburg12
- Polson12
- Ravalli County12
- Roberts12
- Roundup12
- Shepherd12
- West Yellowstone12
- Bigfork11
- Churchill11
- Colstrip11
- Columbia Falls11
- Coram11
- Crow Agency11
- Ekalaka11
- Eureka11
- Evergreen11
- Forsyth11
- Hardin11
- Hysham11
- Kalispell11
- Lame Deer11
- Laurel11
- Marion11
- Martin City11
- Polebridge11
- Pryor11
- Ronan11
- Somers11
- St. Ignatius11
- West Glacier11
- Winnett11
- Wisdom11
- Amsterdam10
- Belgrade10
- Columbus10
- Culbertson10
- Custer County10
- East Glacier Park Village10
- Ennis10
- Fort Benton10
- Geyser10
- Miles City10
- Stanford10
- Virginia City10
- Baker9
- Big Timber9
- Browning9
- Cascade County9
- Chinook9
- Circle9
- Conrad9
- Craig9
- Fort Belknap Agency9
- Froid9
- Glasgow9
- Glendive9
- Hamilton9
- Helena Valley West Central9
- Jordan9
- Malmstrom Air Force Base9
- Malta9
- Manhattan9
- Orchard Homes9
- Plains9
- Plentywood9
- Richland9
- Rudyard9
- Ryegate9
- Scobey9
- Sedan9
- Seeley Lake9
- Sidney9
- South Browning9
- Sun Prairie9
- Terry9
- Thompson Falls9
- Three Forks9
- Walkerville9
- Whitehall9
- Wibaux9
- Wolf Point9
- Arlee8
- Bozeman8
- Flathead County8
- Harlowton8
- Helena Valley Northeast8
- Helena Valley Northwest8
- Noxon8
- Rosebud County8
- Townsend8
- White Sulphur Springs8
- Wilsall8
- Choteau7
- Clancy7
- Corvallis7
- Deer Lodge7
- Helena Valley Southeast7
- Helena West Side7
- Lincoln7
- Montana City7
- North Browning7
- West Glendive7
- Beaverhead County6
- Chester6
- Dixon6
- Lolo6
- Clinton5
- Missoula County5
- Darby4
- Frenchtown4
- Roosevelt County3
- Trout Creek3
- Four Corners2
- St. Marie2
- Toole County2
- Havre1
- Cut Bank0
- Teton County0
