Air quality in Montana
Air quality index (AQI⁺) and PM2.5 air pollution in Montana • 20:19, Aug 18
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?
- Great Falls137
- Judith Basin County111
- Polebridge105
- Libby93
- Troy92
- Glacier County91
- North Browning90
- Cut Bank88
- Lincoln County88
- Browning85
- Chester84
- Cascade County83
- Shelby81
- Toole County79
- Noxon74
- Alberton73
- Frenchtown73
- Pablo73
- Thompson Falls72
- Arlee71
- Hot Springs71
- St. Ignatius71
- Superior71
- Trout Creek71
- Eureka70
- Lolo70
- Missoula70
- Hill County69
- Lake County69
- Plains69
- Ronan69
- Lakeside68
- Piltzville68
- Bear Dance67
- Havre North67
- Charlo66
- Flathead County66
- Missoula County66
- Orchard Homes66
- Bigfork65
- Dixon65
- Lindisfarne65
- Montana City65
- Seeley Lake65
- Whitefish65
- Polson64
- West Glacier64
- Clinton63
- Coram63
- East Glacier Park Village63
- Heart Butte63
- Kalispell63
- Martin City63
- Sanders County63
- South Browning63
- Woods Bay63
- Columbia Falls62
- Evergreen62
- Phillips County61
- Somers61
- Ulm61
- Baker60
- Darby60
- Dayton60
- Havre60
- Marion60
- Ravalli County60
- West Glendive60
- Big Arm59
- Colstrip59
- Conrad59
- Helena Valley West Central59
- Broadus58
- Custer County58
- Ekalaka58
- Forsyth58
- Harlowton58
- Hysham58
- Lame Deer58
- Miles City58
- Ravalli58
- Rudyard58
- Teton County58
- Townsend58
- Birney57
- Corvallis57
- Deer Lodge57
- Hamilton57
- Helena57
- Roundup57
- Ryegate57
- Terry57
- Three Forks57
- White Sulphur Springs57
- Whitehall57
- Wisdom57
- Amsterdam56
- Belgrade56
- Bonner-West Riverside56
- Cascade56
- Clancy56
- Crow Agency56
- East Missoula56
- Ennis56
- Fort Benton56
- Froid56
- Glendive56
- Hardin56
- Madison County56
- Manhattan56
- Potomac56
- Richland56
- Roosevelt County56
- Shepherd56
- Sidney56
- Stanford56
- Sun Prairie56
- Virginia City56
- Walkerville56
- Wibaux56
- Wilsall56
- Wye56
- Big Timber55
- Chinook55
- Columbus55
- Craig55
- East Helena55
- Geyser55
- Glasgow55
- Helena Valley Northeast55
- Helena Valley Northwest55
- Helena Valley Southeast55
- Helena West Side55
- Lewis and Clark County55
- Lincoln55
- Malmstrom Air Force Base55
- Plentywood55
- Pryor55
- Red Lodge55
- Scobey55
- Stevensville55
- Sula55
- West Yellowstone55
- Wolf Point55
- Anaconda-Deer Lodge County54
- Boulder54
- Choteau54
- Circle54
- Fort Belknap Agency54
- Malta54
- Petroleum County54
- Victor54
- Sedan53
- St. Marie53
- Winnett53
- Bozeman52
- Gallatin County52
- Jordan52
- Lewistown52
- Churchill51
- Philipsburg50
- Livingston48
- Sweet Grass County47
- Culbertson46
- Butte45
- Bridger CDP44
- Beaverhead County43
- Four Corners42
- Dillon41
- Park County38
- Stillwater County36
- Laurel33
- Billings32
- Absarokee31
- Gardiner31
- Big Sky30
- Roberts26
- Rosebud County24
- Big Horn County23
- Park City14
