Air quality in Montana
Air quality index (AQI⁺) and PM2.5 air pollution in Montana • 19:26, 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?
- Bear Dance162
- Lakeside160
- Lindisfarne159
- Woods Bay157
- Hot Springs156
- Whitefish156
- Polson155
- Flathead County153
- Columbia Falls152
- Kalispell151
- Pablo139
- Glacier County134
- Lincoln County129
- Corvallis125
- Cut Bank124
- Libby124
- North Browning124
- Eureka123
- Sanders County121
- St. Ignatius121
- Hill County119
- Shelby118
- Marion116
- Lake County112
- Superior111
- Dayton110
- Evergreen110
- Polebridge110
- Ronan110
- Big Arm109
- Somers109
- Troy109
- Bigfork106
- Heart Butte106
- Charlo105
- Coram105
- Martin City105
- Toole County105
- Darby104
- Trout Creek104
- West Glacier104
- Ravalli103
- Missoula County102
- Missoula101
- Plains101
- Alberton100
- Piltzville100
- Ravalli County100
- Lewistown99
- Noxon99
- Frenchtown97
- Great Falls96
- Hamilton96
- Wye96
- Arlee93
- East Missoula93
- Lolo93
- Orchard Homes93
- Bonner-West Riverside92
- Thompson Falls92
- Seeley Lake91
- Cascade County89
- East Glacier Park Village89
- Stevensville89
- Victor89
- Dixon88
- Browning87
- Potomac87
- South Browning87
- Beaverhead County86
- Deer Lodge84
- Choteau83
- Chester82
- Judith Basin County82
- Teton County81
- Clinton79
- Conrad79
- Lincoln78
- Sula78
- Montana City76
- Ulm75
- Philipsburg74
- St. Marie74
- Craig73
- Havre73
- Sun Prairie72
- Cascade71
- Rudyard71
- Anaconda-Deer Lodge County70
- Dillon70
- Phillips County70
- West Glendive70
- Helena Valley Northwest69
- Malmstrom Air Force Base69
- Fort Benton68
- Helena Valley Northeast68
- Helena West Side68
- Wisdom68
- Chinook67
- Helena Valley Southeast66
- Roosevelt County66
- Culbertson65
- Fort Belknap Agency65
- Helena65
- Walkerville65
- Boulder64
- Clancy64
- Petroleum County64
- Geyser63
- Malta63
- Plentywood63
- Scobey62
- Stanford62
- Froid61
- Helena Valley West Central61
- Sidney61
- Baker60
- East Helena60
- Glasgow60
- Richland60
- Sedan60
- Wibaux60
- Wolf Point60
- Circle59
- Ekalaka59
- Glendive59
- Winnett59
- Custer County58
- Jordan58
- Terry58
- Townsend58
- Whitehall58
- Miles City57
- White Sulphur Springs57
- Broadus56
- Forsyth56
- Rosebud County56
- Colstrip55
- Harlowton55
- Hysham55
- Lewis and Clark County55
- Roundup55
- Ryegate55
- Birney54
- Lame Deer54
- Manhattan54
- Three Forks54
- Amsterdam53
- Belgrade53
- Bridger CDP53
- Ennis53
- Laurel53
- Madison County53
- Park City53
- Stillwater County53
- Virginia City53
- West Yellowstone53
- Wilsall53
- Big Timber52
- Crow Agency52
- Hardin52
- Lockwood52
- Park County52
- Roberts52
- Shepherd52
- Columbus51
- Four Corners51
- Absarokee49
- Bozeman49
- Churchill49
- Pryor49
- Sweet Grass County48
- Big Horn County47
- Butte47
- Gallatin County46
- Billings45
- Gardiner43
- Big Sky40
- Livingston39
- Red Lodge32
