Air quality in Montana
Air quality index (AQI⁺) and PM2.5 air pollution in Montana • 00:31, Aug 24
Montana Department of Environmental QualityCrosscut Mountain Sports CenterMojave Desert Air Quality Management District (MDAQMD)Dusty McSensorfaceMissouri Department of Natural ResourcesEMBGSunflower MontessoriAnonymousBellamooUSA National Park ServiceBrian BrownAnonymousRandy OlsonMPGBDMBrianVDonald AndersonRiver ratWWolfAnonymous contributor
Montana Department of Environmental QualityCrosscut Mountain Sports CenterMojave Desert Air Quality Management District (MDAQMD)Dusty McSensorfaceMissouri Department of Natural ResourcesEMBGSunflower MontessoriAnonymousBellamooUSA National Park ServiceBrian BrownAnonymousRandy OlsonMPGBDMBrianVDonald 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?
- Superior68
- Libby67
- Hamilton65
- Laurel65
- Roosevelt County65
- Corvallis64
- Darby64
- Hot Springs64
- Pablo64
- St. Marie64
- West Glendive64
- Bear Dance63
- North Browning63
- Phillips County62
- Plains62
- Bigfork61
- Malta61
- Montana City61
- Eureka60
- Kalispell60
- Stevensville60
- Trout Creek60
- Victor60
- Charlo59
- Lincoln County59
- Sanders County59
- Shelby59
- Sula59
- Troy59
- Baker58
- Billings58
- Chester58
- Choteau58
- Circle58
- Culbertson58
- Cut Bank58
- Fort Belknap Agency58
- Froid58
- Glacier County58
- Glasgow58
- Glendive58
- Great Falls58
- Lake County58
- Lakeside58
- Lindisfarne58
- Lockwood58
- Plentywood58
- Ravalli County58
- Richland58
- Scobey58
- Sidney58
- St. Ignatius58
- Terry58
- Wibaux58
- Wolf Point58
- Anaconda-Deer Lodge County57
- Chinook57
- Custer County57
- Ekalaka57
- Forsyth57
- Havre North57
- Heart Butte57
- Hysham57
- Jordan57
- Miles City57
- Polson57
- Ronan57
- Roundup57
- Ryegate57
- Shepherd57
- Toole County57
- Winnett57
- Wisdom57
- Woods Bay57
- Wye57
- Birney56
- Broadus56
- Colstrip56
- Columbus56
- Crow Agency56
- Dixon56
- East Missoula56
- Flathead County56
- Fort Benton56
- Geyser56
- Hardin56
- Lame Deer56
- Lewistown56
- Noxon56
- Polebridge56
- Pryor56
- Rudyard56
- Stanford56
- Big Timber55
- Bonner-West Riverside55
- Harlowton55
- Malmstrom Air Force Base55
- Marion55
- Park City55
- Petroleum County55
- Red Lodge55
- Thompson Falls55
- Judith Basin County54
- Lolo54
- Ravalli54
- Sun Prairie54
- White Sulphur Springs54
- Whitefish54
- Clancy53
- Coram53
- East Helena53
- Evergreen53
- Havre53
- Helena Valley Northeast53
- Helena Valley Northwest53
- Helena Valley Southeast53
- Helena West Side53
- Martin City53
- Potomac53
- Somers53
- Townsend53
- West Glacier53
- Wilsall53
- Amsterdam52
- Arlee52
- Belgrade52
- Big Arm52
- Craig52
- Dayton52
- East Glacier Park Village52
- Ennis52
- Manhattan52
- Missoula52
- Orchard Homes52
- South Browning52
- Three Forks52
- Virginia City52
- Walkerville52
- West Yellowstone52
- Whitehall52
- Conrad51
- Hill County50
- Alberton48
- Columbia Falls48
- Teton County48
- Lincoln46
- Ulm46
- Browning43
- Butte42
- Frenchtown42
- Helena Valley West Central42
- Piltzville41
- Clinton40
- Lewis and Clark County39
- Cascade County34
- Boulder32
- Cascade32
- Missoula County32
- Gardiner29
- Roberts26
- Seeley Lake25
- Big Horn County24
- Stillwater County24
- Sedan23
- Deer Lodge22
- Helena21
- Rosebud County20
- Philipsburg17
- Sweet Grass County16
- Bridger CDP14
- Churchill14
- Big Sky13
- Bozeman11
- Madison County11
- Livingston10
- Gallatin County9
- Absarokee7
- Dillon6
- Park County6
- Four Corners4
- Beaverhead County2
