Air quality in Montana
Air quality index (AQI⁺) and PM2.5 air pollution in Montana • 16:12, Jul 31
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?
- Whitefish132
- Libby125
- Kalispell122
- Pablo119
- Troy119
- Trout Creek118
- Lincoln County116
- Noxon114
- Flathead County112
- Glacier County108
- Thompson Falls108
- Ravalli County102
- Cut Bank101
- Darby101
- Lakeside100
- Plains99
- Sula99
- Columbia Falls98
- Shelby98
- Stevensville98
- Victor98
- Polson97
- Corvallis96
- Lolo96
- Anaconda-Deer Lodge County95
- Bear Dance95
- Chester95
- Hot Springs95
- Orchard Homes95
- Philipsburg95
- Bonner-West Riverside94
- East Missoula94
- Walkerville94
- Wisdom94
- Clancy93
- Whitehall93
- Wye93
- Helena West Side92
- Lindisfarne92
- Woods Bay92
- Helena Valley Northeast91
- Helena Valley Northwest91
- Helena Valley Southeast91
- Potomac91
- Hamilton90
- Toole County90
- North Browning89
- Craig88
- Lincoln88
- Ravalli88
- Alberton86
- Eureka86
- Madison County86
- Townsend86
- Virginia City86
- Big Sky85
- Four Corners85
- Gardiner85
- Superior85
- Three Forks84
- Charlo83
- Ennis83
- Heart Butte83
- Marion83
- Polebridge83
- Amsterdam82
- Bigfork82
- Bridger CDP82
- Coram82
- Dayton82
- Evergreen82
- Livingston82
- Manhattan82
- Martin City82
- Missoula82
- Sanders County82
- Somers82
- Teton County82
- West Glacier82
- White Sulphur Springs82
- Belgrade81
- Big Arm81
- Deer Lodge81
- East Glacier Park Village81
- Frenchtown81
- Harlowton81
- Missoula County81
- Wilsall81
- Beaverhead County80
- Big Timber80
- Browning80
- Gallatin County80
- Hill County80
- Ryegate80
- South Browning80
- Cascade County79
- Columbus79
- Roundup79
- Seeley Lake79
- Shepherd79
- Stanford79
- Sun Prairie79
- Geyser78
- Helena Valley West Central78
- Malmstrom Air Force Base78
- Rudyard78
- Sweet Grass County78
- Boulder77
- Choteau77
- Hysham77
- Lake County77
- Montana City77
- Pryor77
- Red Lodge77
- Conrad76
- Forsyth76
- Fort Benton76
- Hardin76
- Havre76
- Helena76
- Park County76
- Piltzville76
- West Yellowstone76
- Bozeman75
- Colstrip75
- Crow Agency75
- East Helena75
- Judith Basin County75
- Lame Deer75
- Park City75
- Absarokee74
- Arlee74
- Chinook74
- Froid74
- Plentywood74
- Winnett74
- Birney73
- Fort Belknap Agency73
- Richland73
- Sidney73
- Churchill72
- Roberts72
- Jordan71
- Laurel71
- Malta71
- Scobey71
- St. Ignatius71
- Clinton70
- Dixon70
- Sedan70
- Stillwater County70
- West Glendive70
- Wolf Point70
- Big Horn County69
- Circle69
- Glasgow69
- Lockwood69
- Billings68
- Dillon68
- Ulm68
- Cascade67
- Glendive67
- Miles City67
- Ronan67
- Terry67
- Wibaux67
- Custer County66
- Lewis and Clark County66
- Great Falls65
- Baker64
- Broadus64
- Ekalaka64
- Petroleum County64
- Lewistown63
- Roosevelt County63
- St. Marie63
- Culbertson62
- Havre North59
- Butte58
- Phillips County54
- Rosebud County53
