Air quality in Montana
Air quality index (AQI⁺) and PM2.5 air pollution in Montana • 05:01, Jun 16
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?
- Lockwood62
- Alberton44
- St. Ignatius38
- Bear Dance37
- Columbia Falls36
- Kalispell34
- Lakeside34
- Noxon34
- Thompson Falls34
- West Glacier34
- Libby33
- North Browning33
- Whitefish33
- Heart Butte32
- Lewis and Clark County32
- Troy32
- Woods Bay32
- Deer Lodge31
- East Helena31
- Piltzville31
- Plains31
- Boulder30
- Helena Valley West Central30
- Helena29
- Orchard Homes29
- Shelby29
- Clinton28
- Glacier County28
- Pablo28
- Hill County27
- Lolo27
- Park City27
- Ravalli County27
- Trout Creek27
- Arlee26
- Billings26
- Cascade County26
- Lincoln County26
- Livingston26
- Missoula26
- Missoula County26
- Ronan26
- Sanders County26
- Cut Bank25
- Lake County25
- Madison County25
- Sedan25
- Cascade24
- Choteau24
- Dillon24
- Frenchtown24
- Gallatin County24
- Havre24
- Lindisfarne24
- St. Marie24
- Flathead County23
- Great Falls23
- Sweet Grass County23
- Bozeman22
- Hamilton22
- Lewistown22
- Absarokee21
- Seeley Lake21
- Big Horn County20
- Big Sky20
- Churchill20
- Hot Springs20
- Judith Basin County20
- Phillips County20
- Big Arm19
- Darby19
- Dayton19
- Marion19
- Stillwater County19
- Superior19
- Ulm19
- Bigfork18
- Bonner-West Riverside18
- Browning18
- Charlo18
- Chester18
- Coram18
- East Glacier Park Village18
- East Missoula18
- Eureka18
- Evergreen18
- Martin City18
- Park County18
- Polebridge18
- Polson18
- Potomac18
- Ravalli18
- Somers18
- South Browning18
- Stevensville18
- Victor18
- Wye18
- Beaverhead County17
- Corvallis17
- Culbertson17
- Lincoln17
- Roberts17
- Sula17
- Teton County17
- Craig16
- Red Lodge16
- Roosevelt County16
- Anaconda-Deer Lodge County15
- Clancy15
- Helena Valley Northeast15
- Helena Valley Northwest15
- Helena Valley Southeast15
- Helena West Side15
- Montana City15
- Philipsburg15
- Townsend15
- Walkerville15
- West Glendive15
- Whitehall15
- Wisdom15
- Broadus14
- Conrad14
- Ekalaka14
- Sun Prairie14
- Three Forks14
- White Sulphur Springs14
- Amsterdam13
- Baker13
- Belgrade13
- Big Timber13
- Birney13
- Butte13
- Custer County13
- Ennis13
- Geyser13
- Glasgow13
- Glendive13
- Harlowton13
- Lame Deer13
- Malmstrom Air Force Base13
- Manhattan13
- Miles City13
- Stanford13
- Terry13
- Toole County13
- Virginia City13
- Wibaux13
- Wilsall13
- Colstrip12
- Crow Agency12
- Forsyth12
- Four Corners12
- Gardiner12
- Hardin12
- Hysham12
- Pryor12
- Shepherd12
- Fort Benton11
- Jordan11
- Rosebud County11
- Scobey11
- Wolf Point11
- Bridger CDP10
- Circle10
- Columbus10
- Froid10
- Laurel10
- Plentywood10
- Richland10
- Roundup10
- Ryegate10
- Sidney10
- West Yellowstone10
- Winnett10
- Chinook9
- Fort Belknap Agency9
- Malta9
- Rudyard9
