Air quality in Montana
Air quality index (AQI⁺) and PM2.5 air pollution in Montana • 05:52, 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?
- Lockwood38
- Phillips County38
- Bear Dance29
- Thompson Falls28
- Great Falls27
- Troy24
- Pablo22
- Glacier County21
- Whitefish20
- Billings19
- Lewis and Clark County19
- Lewistown19
- Sanders County19
- Frenchtown18
- Alberton16
- Butte16
- Helena16
- Hill County16
- Park City16
- Absarokee14
- Columbia Falls14
- East Helena14
- Lakeside14
- Shelby14
- Big Horn County13
- Big Sky13
- Heart Butte13
- Lake County13
- Madison County13
- Missoula13
- Sweet Grass County13
- Crow Agency12
- Dillon12
- Hardin12
- Lincoln County12
- Lindisfarne12
- Park County12
- Red Lodge12
- Shepherd12
- Stillwater County12
- Boulder11
- Corvallis11
- Culbertson11
- Gallatin County11
- Livingston11
- Ronan11
- St. Ignatius11
- Superior11
- Libby10
- Ravalli County10
- Birney9
- Broadus9
- Churchill9
- Colstrip9
- Forsyth9
- Helena Valley West Central9
- Hysham9
- Kalispell9
- Lame Deer9
- Laurel9
- Piltzville9
- Pryor9
- Sedan9
- Stevensville9
- Ulm9
- Victor9
- Woods Bay9
- Arlee8
- Baker8
- Big Arm8
- Bigfork8
- Bonner-West Riverside8
- Charlo8
- Chinook8
- Circle8
- Custer County8
- Dayton8
- East Missoula8
- Ekalaka8
- Evergreen8
- Fort Belknap Agency8
- Froid8
- Glendive8
- Hamilton8
- Helena Valley Northeast8
- Helena Valley Northwest8
- Hot Springs8
- Jordan8
- Malta8
- Marion8
- Miles City8
- Noxon8
- Orchard Homes8
- Plains8
- Polson8
- Ravalli8
- Roberts8
- Rosebud County8
- Roundup8
- Sidney8
- Somers8
- Sula8
- Terry8
- Wibaux8
- Wisdom8
- Wye8
- Bozeman7
- Choteau7
- Columbus7
- Coram7
- Eureka7
- Flathead County7
- Glasgow7
- Helena Valley Southeast7
- Martin City7
- Plentywood7
- Potomac7
- Ryegate7
- Seeley Lake7
- Winnett7
- Amsterdam6
- Anaconda-Deer Lodge County6
- Beaverhead County6
- Belgrade6
- Big Timber6
- Browning6
- Cascade6
- Cascade County6
- Clancy6
- Conrad6
- Craig6
- Deer Lodge6
- Dixon6
- East Glacier Park Village6
- Ennis6
- Fort Benton6
- Gardiner6
- Geyser6
- Harlowton6
- Helena West Side6
- Lincoln6
- Malmstrom Air Force Base6
- Manhattan6
- Montana City6
- Philipsburg6
- Polebridge6
- Richland6
- Rudyard6
- Scobey6
- South Browning6
- Stanford6
- Sun Prairie6
- Three Forks6
- Townsend6
- Virginia City6
- Walkerville6
- West Glendive6
- West Yellowstone6
- White Sulphur Springs6
- Whitehall6
- Wilsall6
- Wolf Point6
- Chester5
- Clinton5
- Lolo5
- Missoula County5
- Teton County5
- Havre4
- St. Marie4
- Darby3
- North Browning3
- West Glacier3
- Roosevelt County2
- Toole County2
- Trout Creek2
- Four Corners1
- Cut Bank0
