Air quality in Montana
Air quality index (AQI⁺) and PM2.5 air pollution in Montana • 09:57, Jun 22
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?
- Lockwood63
- Culbertson40
- Superior36
- Great Falls34
- Frenchtown33
- Lewis and Clark County31
- Alberton27
- Piltzville27
- Dillon26
- St. Ignatius24
- Corvallis23
- Lewistown23
- Libby23
- Missoula23
- Arlee22
- Clinton22
- Orchard Homes22
- Lolo21
- Flathead County20
- Bear Dance19
- Butte19
- Columbia Falls19
- Lake County19
- Ravalli County19
- Sanders County19
- Sedan19
- West Glacier19
- Bridger CDP18
- Four Corners18
- Phillips County18
- Thompson Falls18
- Boulder17
- Gallatin County17
- Hot Springs17
- Lakeside17
- Livingston17
- Plains17
- Woods Bay17
- Billings16
- Churchill16
- Darby16
- Missoula County16
- Sweet Grass County16
- Whitefish16
- Kalispell15
- Madison County15
- Pablo15
- Stillwater County15
- Bozeman14
- East Helena14
- Ravalli14
- Stevensville14
- Victor14
- Wye14
- Big Arm13
- Bonner-West Riverside13
- Cascade County13
- Charlo13
- Dayton13
- East Missoula13
- Froid13
- Glacier County13
- Hamilton13
- Havre13
- Helena13
- Laurel13
- Noxon13
- Park City13
- Plentywood13
- Polson13
- Potomac13
- Pryor13
- Richland13
- Ronan13
- Roundup13
- Ryegate13
- Scobey13
- Shepherd13
- Sidney13
- Absarokee12
- Anaconda-Deer Lodge County12
- Big Timber12
- Columbus12
- Crow Agency12
- Deer Lodge12
- Hardin12
- Harlowton12
- Heart Butte12
- Philipsburg12
- Sula12
- Winnett12
- Wisdom12
- Wolf Point12
- Amsterdam11
- Baker11
- Belgrade11
- Bigfork11
- Birney11
- Cascade11
- Circle11
- Clancy11
- Colstrip11
- Craig11
- Dixon11
- Ekalaka11
- Ennis11
- Evergreen11
- Forsyth11
- Gardiner11
- Glasgow11
- Glendive11
- Helena Valley Northeast11
- Helena Valley Northwest11
- Helena Valley Southeast11
- Helena Valley West Central11
- Helena West Side11
- Hysham11
- Jordan11
- Lame Deer11
- Lincoln11
- Lindisfarne11
- Manhattan11
- Marion11
- Montana City11
- Roosevelt County11
- Somers11
- Stanford11
- Terry11
- Three Forks11
- Townsend11
- Virginia City11
- Walkerville11
- West Yellowstone11
- White Sulphur Springs11
- Whitehall11
- Wibaux11
- Wilsall11
- Big Sky10
- Broadus10
- Custer County10
- Geyser10
- Miles City10
- Trout Creek10
- Lincoln County9
- Martin City9
- Roberts9
- West Glendive9
- Coram8
- Judith Basin County8
- Malmstrom Air Force Base8
- Malta8
- Sun Prairie8
- Teton County8
- Big Horn County7
- Chinook7
- Cut Bank7
- Eureka7
- Fort Belknap Agency7
- Fort Benton7
- Park County7
- Polebridge7
- Red Lodge7
- Seeley Lake7
- Ulm7
- Browning6
- Choteau6
- Conrad6
- East Glacier Park Village6
- Rudyard6
- South Browning6
- Chester5
- Shelby5
- North Browning3
- Rosebud County2
- St. Marie2
- Troy2
- Toole County1
- Beaverhead County0
