Air quality in Montana
Air quality index (AQI⁺) and PM2.5 air pollution in Montana • 07:07, Jul 23
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?
- Kalispell152
- Flathead County144
- Columbia Falls140
- Whitefish136
- Lakeside120
- Bear Dance119
- Lincoln County119
- Lindisfarne114
- Arlee108
- Seeley Lake107
- Piltzville106
- Frenchtown102
- Missoula99
- Missoula County99
- Eureka97
- Orchard Homes96
- Lake County95
- Alberton94
- Pablo94
- Sanders County93
- Superior93
- Cascade90
- Cascade County90
- Hot Springs90
- Libby90
- Glacier County89
- Woods Bay89
- Wye89
- Lolo88
- Marion88
- Victor88
- Ravalli87
- Stevensville87
- East Missoula86
- Polebridge86
- Polson86
- Bonner-West Riverside85
- Charlo85
- Corvallis85
- Cut Bank85
- Troy85
- Ulm85
- Ravalli County84
- Big Arm83
- Culbertson83
- Darby83
- Dayton82
- Evergreen82
- Somers82
- Coram81
- Martin City81
- Potomac81
- West Glacier81
- Clinton80
- North Browning80
- Plains80
- Sula80
- Bigfork79
- Browning79
- East Glacier Park Village79
- Ronan79
- South Browning79
- Thompson Falls79
- Judith Basin County78
- Hamilton77
- Lincoln77
- Conrad76
- St. Ignatius76
- Trout Creek76
- Noxon75
- Philipsburg75
- Craig72
- Plentywood72
- St. Marie72
- Butte71
- Great Falls71
- Anaconda-Deer Lodge County70
- Helena Valley Northwest70
- Shelby70
- Sun Prairie70
- Froid69
- Helena West Side69
- Toole County69
- Dixon68
- Helena Valley Northeast68
- Wisdom68
- Heart Butte67
- Helena67
- Roosevelt County67
- Chester66
- Helena Valley Southeast66
- Helena Valley West Central66
- Petroleum County66
- Phillips County66
- Scobey66
- Sidney66
- Teton County66
- Walkerville66
- West Glendive66
- Choteau65
- Clancy65
- East Helena65
- Havre65
- Malmstrom Air Force Base65
- Lewistown64
- Richland64
- Rudyard64
- Fort Benton63
- Rosebud County63
- Boulder61
- Chinook61
- Lewis and Clark County61
- Montana City61
- Wolf Point61
- Circle60
- Geyser60
- Glendive60
- Hill County60
- Lockwood60
- Wibaux60
- Fort Belknap Agency59
- Glasgow59
- Stanford59
- Baker58
- Deer Lodge58
- Jordan58
- Malta58
- Terry58
- Townsend58
- White Sulphur Springs58
- Whitehall58
- Winnett58
- Custer County57
- Forsyth57
- Hysham57
- Manhattan57
- Miles City57
- Roundup57
- Three Forks57
- Amsterdam56
- Belgrade56
- Birney56
- Colstrip56
- Ekalaka56
- Hardin56
- Harlowton56
- Lame Deer56
- Ryegate56
- Broadus55
- Crow Agency55
- Ennis55
- Madison County55
- Shepherd55
- Virginia City55
- Wilsall55
- Billings54
- Red Lodge54
- Stillwater County54
- Big Timber53
- Bridger CDP53
- Gardiner53
- Laurel53
- Columbus52
- Pryor52
- West Yellowstone52
- Absarokee51
- Four Corners50
- Park City49
- Gallatin County48
- Sedan45
- Livingston44
- Sweet Grass County44
- Big Sky42
- Bozeman41
- Churchill41
- Park County37
- Roberts31
- Dillon30
- Beaverhead County24
- Big Horn County20
