Air quality in Montana
Air quality index (AQI⁺) and PM2.5 air pollution in Montana • 22:51, Aug 19
Montana Department of Environmental QualityUSA National Park ServiceCrosscut Mountain Sports CenterMojave Desert Air Quality Management District (MDAQMD)Dusty McSensorfaceMissouri Department of Natural ResourcesEMBGSunflower MontessoriAnonymousBellamooBrian BrownAnonymousMPGRandy OlsonBDMBrianVDonald AndersonRiver ratWWolfAnonymous contributor
Montana Department of Environmental QualityUSA National Park ServiceCrosscut Mountain Sports CenterMojave Desert Air Quality Management District (MDAQMD)Dusty McSensorfaceMissouri Department of Natural ResourcesEMBGSunflower MontessoriAnonymousBellamooBrian BrownAnonymousMPGRandy OlsonBDMBrianVDonald AndersonRiver ratWWolfAnonymous contributor
Live most polluted city ranking
Real-time Montana most polluted city ranking
Wildfires in Montana
Real-time information
Active fires
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Learn more about global air quality
Which is the most polluted city in Montana?
- Polebridge144
- Troy126
- Lincoln County124
- Havre North120
- Plains105
- Missoula County104
- Browning102
- Seeley Lake102
- St. Ignatius101
- Petroleum County100
- Hot Springs99
- Havre98
- Arlee96
- North Browning94
- Lake County93
- Cascade County92
- Pablo92
- Superior91
- Judith Basin County90
- Cascade89
- Libby89
- Bigfork88
- Ronan87
- Chester86
- Lewistown86
- Lindisfarne86
- Whitefish86
- Flathead County85
- Bear Dance84
- Hill County84
- Alberton83
- Dixon83
- Helena Valley West Central83
- Polson83
- Heart Butte82
- Lakeside82
- West Glendive82
- Lewis and Clark County81
- Columbia Falls79
- Frenchtown79
- Great Falls79
- Trout Creek78
- Kalispell77
- Missoula77
- Woods Bay77
- Helena76
- Orchard Homes75
- Charlo74
- Choteau74
- Noxon74
- Ulm74
- Fort Benton72
- Culbertson71
- Forsyth71
- Piltzville71
- Shelby71
- Baker70
- Ekalaka70
- Glacier County70
- Hamilton70
- Clinton69
- Custer County69
- Deer Lodge69
- Hysham69
- Laurel69
- Miles City69
- Montana City69
- Rudyard69
- Winnett69
- Colstrip68
- Terry68
- Churchill67
- Conrad67
- Geyser67
- Malmstrom Air Force Base67
- Stanford67
- Sun Prairie67
- Billings66
- Bozeman66
- Gallatin County66
- Lolo66
- St. Marie66
- Boulder65
- Roosevelt County65
- Roundup65
- Teton County65
- Corvallis64
- Cut Bank64
- Eureka64
- Lockwood64
- Phillips County64
- Rosebud County64
- Toole County64
- Broadus63
- Four Corners63
- Lame Deer63
- Park County63
- Ravalli County63
- Roberts63
- Thompson Falls63
- Chinook62
- Coram62
- Dayton62
- Evergreen62
- Glendive62
- Livingston62
- Marion62
- Martin City62
- Somers62
- Stillwater County62
- West Glacier62
- Wibaux62
- Big Arm61
- Birney61
- Bridger CDP61
- Craig61
- Crow Agency61
- East Glacier Park Village61
- Hardin61
- Jordan61
- Sanders County61
- South Browning61
- Darby60
- Fort Belknap Agency60
- Harlowton60
- Ryegate60
- Shepherd60
- White Sulphur Springs60
- Helena Valley Northeast59
- Helena Valley Northwest59
- Helena Valley Southeast59
- Sweet Grass County59
- East Helena58
- Helena West Side58
- Lincoln58
- Malta58
- Ravalli58
- Sedan58
- Townsend58
- Absarokee57
- Bonner-West Riverside57
- Circle57
- Clancy57
- East Missoula57
- Potomac57
- Wilsall57
- Wye57
- Big Timber56
- Glasgow56
- Pryor56
- Belgrade55
- Big Horn County55
- Columbus55
- Manhattan55
- Park City55
- Richland55
- Sidney55
- Stevensville55
- Three Forks55
- Victor55
- Wolf Point55
- Amsterdam54
- Anaconda-Deer Lodge County54
- Froid54
- Walkerville54
- Whitehall54
- Butte53
- Gardiner53
- Sula53
- Ennis52
- Plentywood52
- Scobey52
- Virginia City52
- West Yellowstone52
- Wisdom52
- Beaverhead County46
- Big Sky44
- Red Lodge43
- Dillon36
- Philipsburg33
