Air quality in Montana
Air quality index (AQI⁺) and PM2.5 air pollution in Montana • 12:39, Jul 26
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?
- Plains126
- Whitefish126
- Columbia Falls125
- Kalispell125
- North Browning125
- Hot Springs122
- Pablo121
- Alberton118
- Dixon118
- St. Ignatius117
- Lakeside115
- Frenchtown114
- Libby112
- Arlee111
- Ronan111
- Flathead County109
- Lake County104
- Thompson Falls104
- Cut Bank101
- Bigfork98
- Lindisfarne98
- Polson98
- Glacier County97
- Roosevelt County97
- Lincoln County95
- Noxon95
- Piltzville94
- Woods Bay94
- Bear Dance93
- Missoula92
- Orchard Homes89
- Missoula County87
- Culbertson84
- Heart Butte83
- Shelby80
- Toole County80
- Troy80
- Clinton77
- Sanders County77
- Seeley Lake76
- West Glendive74
- St. Marie71
- Chester66
- Deer Lodge66
- Havre North65
- Lewis and Clark County65
- Hamilton64
- Ravalli County64
- Crow Agency61
- Hardin61
- Pryor61
- Shepherd61
- Choteau60
- Roundup60
- Winnett59
- Corvallis58
- Froid58
- Hill County58
- Montana City58
- Phillips County58
- Plentywood58
- Cascade57
- Columbus57
- Eureka57
- Hysham57
- Jordan57
- Polebridge57
- Scobey57
- Sidney57
- Trout Creek57
- Baker56
- Circle56
- Colstrip56
- Coram56
- Custer County56
- Evergreen56
- Forsyth56
- Glendive56
- Havre56
- Lame Deer56
- Marion56
- Martin City56
- Miles City56
- Richland56
- Ryegate56
- Terry56
- West Glacier56
- West Yellowstone56
- Wibaux56
- Birney55
- Ekalaka55
- Fort Benton55
- Laurel55
- Somers55
- Wolf Point55
- Chinook54
- Glasgow54
- Superior54
- Big Arm53
- Bonner-West Riverside53
- Broadus53
- Dayton53
- East Missoula53
- Fort Belknap Agency53
- Geyser53
- Lincoln53
- Lolo53
- Malmstrom Air Force Base53
- Malta53
- Potomac53
- Rudyard53
- Stanford53
- Stevensville53
- Sun Prairie53
- Victor53
- Wye53
- Browning52
- Charlo52
- Conrad52
- Craig52
- East Glacier Park Village52
- Harlowton52
- Helena Valley Northeast52
- Helena Valley Northwest52
- Helena Valley Southeast52
- Helena West Side52
- Philipsburg52
- Ravalli52
- South Browning52
- Teton County52
- White Sulphur Springs52
- Absarokee51
- Anaconda-Deer Lodge County51
- Clancy51
- Ennis51
- Great Falls51
- Sweet Grass County51
- Virginia City51
- Sula50
- Lewistown49
- Amsterdam48
- Big Timber48
- Townsend48
- Belgrade47
- Helena Valley West Central47
- Manhattan47
- Three Forks47
- Walkerville47
- Whitehall47
- Wilsall47
- Wisdom47
- Judith Basin County46
- Darby40
- Lockwood38
- Beaverhead County37
- Ulm37
- Roberts35
- Rosebud County34
- Big Horn County33
- Dillon33
- East Helena33
- Helena33
- Boulder32
- Petroleum County32
- Billings31
- Park City29
- Gardiner28
- Cascade County27
- Red Lodge26
- Stillwater County24
- Big Sky17
- Bozeman17
- Gallatin County17
- Madison County17
- Park County17
- Sedan16
- Churchill14
- Livingston13
- Bridger CDP11
- Four Corners11
- Butte9
