Air quality in Montana
Air quality index (AQI⁺) and PM2.5 air pollution in Montana • 09:17, Jun 01
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?
- Lewistown33
- Clinton30
- Lewis and Clark County30
- Butte27
- Alberton23
- Dillon23
- Frenchtown22
- Lolo22
- Corvallis21
- Ravalli County21
- Flathead County20
- West Glacier20
- Orchard Homes19
- Deer Lodge18
- Four Corners18
- Great Falls18
- Madison County18
- Park County18
- Piltzville18
- Bozeman17
- Darby17
- Hamilton17
- Lockwood17
- Missoula17
- Sula17
- Park City16
- Thompson Falls16
- Victor16
- Gallatin County14
- Stevensville14
- Trout Creek14
- Wisdom14
- Amsterdam13
- Beaverhead County13
- Belgrade13
- Bridger CDP13
- Manhattan13
- Rosebud County13
- Anaconda-Deer Lodge County12
- Big Sky12
- Churchill12
- Gardiner12
- West Yellowstone12
- Bonner-West Riverside11
- Boulder11
- East Missoula11
- Ennis11
- Livingston11
- Noxon11
- Philipsburg11
- Plains11
- Superior11
- Three Forks11
- Virginia City11
- Whitehall11
- Wilsall11
- Wye11
- Pablo10
- Walkerville10
- Culbertson9
- Ravalli9
- Big Timber8
- Charlo8
- Clancy8
- Columbus8
- Cut Bank8
- Glacier County8
- Havre8
- Missoula County8
- Potomac8
- Pryor8
- St. Ignatius8
- Toole County8
- Baker7
- Big Arm7
- Broadus7
- Browning7
- Coram7
- Dayton7
- East Glacier Park Village7
- Ekalaka7
- Eureka7
- Evergreen7
- Heart Butte7
- Helena Valley Southeast7
- Helena West Side7
- Hot Springs7
- Malta7
- Marion7
- Martin City7
- Montana City7
- North Browning7
- Phillips County7
- Polebridge7
- Polson7
- Roberts7
- Sanders County7
- Shelby7
- Somers7
- South Browning7
- Sun Prairie7
- Teton County7
- Townsend7
- West Glendive7
- Arlee6
- Birney6
- Cascade6
- Cascade County6
- Chester6
- Chinook6
- Choteau6
- Circle6
- Colstrip6
- Conrad6
- Craig6
- Crow Agency6
- Custer County6
- Forsyth6
- Fort Belknap Agency6
- Fort Benton6
- Froid6
- Geyser6
- Glasgow6
- Glendive6
- Hardin6
- Harlowton6
- Helena6
- Helena Valley Northeast6
- Helena Valley Northwest6
- Hysham6
- Jordan6
- Judith Basin County6
- Kalispell6
- Lame Deer6
- Laurel6
- Lincoln6
- Malmstrom Air Force Base6
- Miles City6
- Plentywood6
- Richland6
- Ronan6
- Roosevelt County6
- Roundup6
- Rudyard6
- Ryegate6
- Scobey6
- Shepherd6
- Sidney6
- St. Marie6
- Stanford6
- Terry6
- Ulm6
- White Sulphur Springs6
- Wibaux6
- Winnett6
- Wolf Point6
- Absarokee5
- Lakeside5
- Billings4
- Lincoln County4
- Seeley Lake4
- Whitefish4
- Dixon3
- Lake County3
- Libby3
- Stillwater County3
- Woods Bay3
- Bear Dance2
- Big Horn County2
- East Helena2
- Helena Valley West Central2
- Red Lodge2
- Troy2
- Bigfork1
- Lindisfarne1
- Columbia Falls0
