Air quality in Montana
Air quality index (AQI⁺) and PM2.5 air pollution in Montana • 06:33, Jun 11
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?
- Phillips County71
- Lewistown51
- Clinton44
- Butte27
- Havre27
- Lewis and Clark County27
- Lockwood25
- Missoula22
- Malta20
- Fort Belknap Agency18
- Great Falls18
- Bear Dance16
- Chinook16
- Glasgow16
- Dixon15
- Madison County15
- Absarokee14
- Billings14
- Jordan14
- Noxon14
- Winnett14
- Arlee13
- Frenchtown13
- Glacier County13
- Helena13
- Ravalli County13
- Red Lodge13
- St. Ignatius13
- Big Sky12
- East Helena12
- Plentywood12
- Scobey12
- Boulder11
- Choteau11
- Corvallis11
- Darby11
- Hamilton11
- Hysham11
- Lake County11
- Lakeside11
- Lindisfarne11
- Orchard Homes11
- Pablo11
- Park City11
- Ronan11
- Roundup11
- Sanders County11
- Whitefish11
- Wolf Point11
- Bridger CDP10
- Circle10
- Dillon10
- Forsyth10
- Rudyard10
- Ryegate10
- Seeley Lake10
- Stanford10
- Alberton9
- Big Horn County9
- Colstrip9
- Culbertson9
- Custer County9
- Fort Benton9
- Froid9
- Geyser9
- Harlowton9
- Helena Valley West Central9
- Libby9
- Livingston9
- Lolo9
- Miles City9
- Missoula County9
- Piltzville9
- Plains9
- Shepherd9
- Stillwater County9
- Sweet Grass County9
- Terry9
- Woods Bay9
- Big Arm8
- Bigfork8
- Birney8
- Bonner-West Riverside8
- Broadus8
- Charlo8
- Coram8
- Crow Agency8
- Dayton8
- East Missoula8
- Ekalaka8
- Eureka8
- Evergreen8
- Glendive8
- Hardin8
- Heart Butte8
- Hot Springs8
- Kalispell8
- Lame Deer8
- Laurel8
- Lincoln County8
- Marion8
- Martin City8
- Park County8
- Polson8
- Ravalli8
- Richland8
- Roberts8
- Sidney8
- Somers8
- Stevensville8
- Superior8
- Victor8
- Wye8
- Anaconda-Deer Lodge County7
- Baker7
- Beaverhead County7
- Big Timber7
- Browning7
- Cascade County7
- Churchill7
- Clancy7
- Columbus7
- Conrad7
- Craig7
- East Glacier Park Village7
- Flathead County7
- Helena Valley Northeast7
- Helena Valley Northwest7
- Helena Valley Southeast7
- Helena West Side7
- Hill County7
- Lincoln7
- Malmstrom Air Force Base7
- Montana City7
- Philipsburg7
- Polebridge7
- Potomac7
- Pryor7
- Roosevelt County7
- South Browning7
- Sula7
- Sun Prairie7
- Walkerville7
- West Glendive7
- White Sulphur Springs7
- Wibaux7
- Wisdom7
- Amsterdam6
- Belgrade6
- Columbia Falls6
- Deer Lodge6
- Ennis6
- Four Corners6
- Gallatin County6
- Gardiner6
- Manhattan6
- Teton County6
- Three Forks6
- Townsend6
- Virginia City6
- West Glacier6
- West Yellowstone6
- Whitehall6
- Wilsall6
- Bozeman4
- Shelby4
- Thompson Falls4
- Ulm4
- North Browning3
- Trout Creek3
- Troy3
- Toole County2
- Rosebud County1
- St. Marie1
- Chester0
- Cut Bank0
- Judith Basin County0
- Sedan0
