Air quality in Montana
Air quality index (AQI⁺) and PM2.5 air pollution in Montana • 04:18, Aug 27
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?
- St. Marie156
- Roosevelt County85
- Plains76
- Lakeside74
- Big Arm72
- Dayton72
- Ravalli72
- Hot Springs71
- Somers71
- Whitefish71
- Wye71
- Alberton70
- Superior70
- Bigfork69
- Evergreen69
- Polson69
- East Missoula68
- Marion68
- Bonner-West Riverside67
- Lindisfarne67
- Lolo67
- Woods Bay67
- Browning66
- Kalispell66
- West Glacier66
- Bear Dance65
- Coram65
- Flathead County65
- Martin City65
- Pablo65
- Sanders County65
- Lake County64
- Polebridge64
- Arlee63
- Corvallis63
- Libby63
- Potomac63
- Stevensville63
- Dixon62
- Frenchtown62
- Scobey62
- Victor62
- Plentywood61
- Ronan61
- Charlo60
- Columbia Falls60
- Culbertson60
- Eureka60
- Missoula60
- Deer Lodge59
- East Glacier Park Village59
- South Browning59
- Teton County59
- Lincoln County58
- Lincoln57
- Sula57
- Anaconda-Deer Lodge County56
- Clinton56
- Colstrip56
- Helena Valley West Central56
- Piltzville56
- Trout Creek56
- Baker55
- Boulder55
- Columbus55
- Conrad55
- Crow Agency55
- Ekalaka55
- Forsyth55
- Froid55
- Hardin55
- Heart Butte55
- Lame Deer55
- Noxon55
- Pryor55
- Shepherd55
- Spokane Creek55
- St. Ignatius55
- Thompson Falls55
- Wisdom55
- Big Timber54
- Birney54
- Broadus54
- Craig54
- Hamilton54
- Harlowton54
- Hysham54
- Madison County54
- Orchard Homes54
- Ravalli County54
- Red Lodge54
- Roundup54
- Ryegate54
- Troy54
- Virginia City54
- Walkerville54
- West Yellowstone54
- Winnett54
- Ennis53
- Geyser53
- Glasgow53
- Malmstrom Air Force Base53
- Stanford53
- Sun Prairie53
- Whitehall53
- Wolf Point53
- Billings52
- Custer County52
- Glacier County52
- Great Falls52
- Helena52
- Helena Valley Northwest52
- Helena West Side52
- Judith Basin County52
- Laurel52
- Malta52
- North Browning52
- Cascade County51
- Clancy51
- Darby51
- East Helena51
- Fort Benton51
- Helena Valley Northeast51
- Helena Valley Southeast51
- Lewis and Clark County51
- Missoula County51
- Montana City51
- Jordan49
- Miles City49
- Wilsall49
- Amsterdam48
- Seeley Lake48
- Three Forks48
- White Sulphur Springs48
- Belgrade47
- Lockwood47
- Sweet Grass County47
- Townsend47
- Manhattan46
- Park City44
- Philipsburg44
- Livingston43
- Richland43
- Beaverhead County42
- Sedan42
- Bozeman41
- Circle41
- Fort Belknap Agency41
- Terry40
- Butte39
- Gallatin County39
- Sidney39
- Gardiner38
- Stillwater County37
- Absarokee36
- Dillon36
- Park County36
- Rudyard36
- Ulm36
- Glendive35
- Chinook34
- Churchill34
- Lewistown34
- Wibaux34
- Bridger CDP33
- Big Sky32
- Cascade32
- Shelby32
- Big Horn County31
- Choteau31
- Four Corners31
- Havre North29
- West Glendive28
- Roberts27
- Chester26
- Cut Bank26
- Rosebud County22
- Phillips County21
- Petroleum County20
- Havre18
- Hill County11
- Toole County11
