Air quality in Montana
Air quality index (AQI⁺) and PM2.5 air pollution in Montana • 06:56, Aug 23
Montana Department of Environmental QualityUSA National Park ServiceCrosscut Mountain Sports CenterMojave Desert Air Quality Management District (MDAQMD)Dusty McSensorfaceMissouri Department of Natural ResourcesEMBGSunflower MontessoriAnonymousBellamooBrian BrownAnonymousRandy OlsonMPGBDMBrianVDonald 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 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?
- Sanders County70
- Thompson Falls69
- Hamilton68
- Hot Springs64
- Lolo64
- Pablo64
- Plains64
- Libby63
- Ravalli County63
- Bigfork62
- Marion62
- Stevensville62
- Victor62
- West Glendive62
- Wye62
- Darby61
- Montana City61
- Roosevelt County61
- St. Marie61
- Sula61
- Orchard Homes60
- Troy60
- Wisdom60
- East Missoula59
- Eureka59
- Anaconda-Deer Lodge County58
- Lakeside58
- North Browning58
- Trout Creek58
- Bonner-West Riverside57
- Froid57
- Glasgow57
- Heart Butte57
- Kalispell57
- Lake County57
- Plentywood57
- Ravalli57
- Scobey57
- Wolf Point57
- Alberton56
- Arlee56
- Baker56
- Charlo56
- Chinook56
- Circle56
- Corvallis56
- Culbertson56
- Fort Belknap Agency56
- Glendive56
- Havre North56
- Malta56
- Polebridge56
- Richland56
- Shelby56
- Sidney56
- Terry56
- Wibaux56
- Woods Bay56
- Big Arm55
- Broadus55
- Custer County55
- Dayton55
- Ekalaka55
- Jordan55
- Lincoln County55
- Miles City55
- Polson55
- Potomac55
- Ronan55
- Superior55
- Winnett55
- Birney54
- Chester54
- Colstrip54
- Crow Agency54
- Forsyth54
- Glacier County54
- Hardin54
- Hysham54
- Lame Deer54
- Lockwood54
- Missoula54
- Petroleum County54
- Phillips County54
- Roundup54
- Rudyard54
- Ryegate54
- Whitefish54
- Bear Dance53
- Dixon53
- Evergreen53
- Flathead County53
- Frenchtown53
- Hill County53
- Lewistown53
- Lindisfarne53
- Noxon53
- Shepherd53
- Somers53
- St. Ignatius53
- Columbia Falls52
- Columbus52
- Cut Bank52
- Fort Benton52
- Geyser52
- Harlowton52
- Laurel52
- Lincoln52
- Pryor52
- Stanford52
- Walkerville52
- Big Timber51
- Clancy51
- East Helena51
- Helena Valley Northeast51
- Helena Valley Northwest51
- Helena Valley Southeast51
- Helena West Side51
- Red Lodge51
- Three Forks51
- Toole County51
- Townsend51
- White Sulphur Springs51
- Whitehall51
- Wilsall51
- Manhattan50
- Craig49
- Malmstrom Air Force Base49
- Belgrade48
- Coram48
- Martin City48
- West Glacier48
- Amsterdam47
- Ennis47
- Virginia City47
- West Yellowstone47
- Havre46
- Choteau44
- Piltzville44
- Sun Prairie44
- East Glacier Park Village43
- South Browning43
- Clinton41
- Conrad40
- Butte39
- Teton County39
- Browning37
- Deer Lodge37
- Great Falls37
- Helena Valley West Central35
- Boulder31
- Judith Basin County31
- Missoula County31
- Lewis and Clark County30
- Cascade29
- Seeley Lake29
- Philipsburg28
- Helena26
- Ulm26
- Rosebud County22
- Cascade County18
- Billings13
- Gardiner13
- Madison County13
- Park City12
- Bozeman11
- Absarokee9
- Sedan9
- Sweet Grass County9
- Bridger CDP8
- Churchill8
- Dillon8
- Gallatin County8
- Livingston8
- Stillwater County8
- Big Horn County7
- Big Sky7
- Park County6
- Four Corners5
- Roberts5
- Beaverhead County2
