Air quality in Montana
Air quality index (AQI⁺) and PM2.5 air pollution in Montana • 12:11, Sep 18
Montana Department of Environmental QualityUSA National Park ServiceCrosscut Mountain Sports CenterMojave Desert Air Quality Management District (MDAQMD)Seeley Union School DistrictDusty McSensorfaceMissouri Department of Natural ResourcesEMBGSunflower MontessoriBellamooAnonymousBrian BrownAnonymousRandy OlsonMPGHannahBDMBrianVDonald AndersonKirk MillsonRiver ratAnonymous contributor
Montana Department of Environmental QualityUSA National Park ServiceCrosscut Mountain Sports CenterMojave Desert Air Quality Management District (MDAQMD)Seeley Union School DistrictDusty McSensorfaceMissouri Department of Natural ResourcesEMBGSunflower MontessoriBellamooAnonymousBrian BrownAnonymousRandy OlsonMPGHannahBDMBrianVDonald AndersonKirk MillsonRiver ratAnonymous 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?
- Trout Creek72
- Montana City65
- Helena61
- East Missoula54
- Ravalli54
- Sanders County54
- Wye54
- Bonner-West Riverside53
- Charlo53
- Potomac53
- Stevensville53
- Victor53
- Sula52
- Big Arm51
- Pablo51
- Dayton49
- East Helena49
- Marion43
- Ronan43
- Great Falls42
- Havre North42
- Helmville37
- Lakeside37
- Lolo37
- Plains37
- Browning36
- Corvallis36
- Laurel36
- Kalispell34
- Hamilton33
- Bigfork31
- Somers31
- Hot Springs30
- Missoula29
- Orchard Homes29
- Ravalli County29
- St. Ignatius29
- West Glendive29
- Piltzville28
- Wisdom28
- Woods Bay28
- Lake County27
- Libby27
- Arlee26
- Clinton26
- Judith Basin County26
- Lindisfarne26
- Anaconda-Deer Lodge County25
- Evergreen25
- Frenchtown25
- Lockwood25
- Whitefish24
- Bear Dance23
- Cut Bank23
- Flathead County23
- Froid23
- Glacier County23
- Plentywood23
- Alberton22
- Lewis and Clark County22
- Shelby22
- Sun Prairie22
- Chester21
- Columbia Falls21
- Craig21
- Lincoln21
- Philipsburg21
- Polson21
- Scobey21
- Helena Valley Northwest20
- Missoula County20
- Seeley Lake20
- Conrad19
- Havre19
- Malmstrom Air Force Base19
- North Browning19
- Superior19
- Coram18
- Eureka18
- Heart Butte18
- Helena Valley Northeast18
- Helena West Side18
- Martin City18
- Noxon18
- Polebridge18
- Richland18
- Sidney18
- West Glacier18
- Cascade County17
- Dixon17
- East Glacier Park Village17
- Helena Valley Southeast17
- Park City17
- Thompson Falls17
- Chinook16
- Choteau16
- Circle16
- Clancy16
- Ekalaka16
- Fort Belknap Agency16
- Fort Benton16
- Glasgow16
- South Browning16
- St. Marie16
- Ulm16
- Wolf Point16
- Culbertson15
- Baker14
- Boulder14
- Broadus14
- Cascade14
- Custer County14
- Darby14
- Geyser14
- Glendive14
- Lewistown14
- Roosevelt County14
- Rudyard14
- Stillwater County14
- Terry14
- Townsend14
- Walkerville14
- Wibaux14
- Big Horn County13
- Billings13
- Four Corners13
- Lincoln County13
- Phillips County13
- Red Lodge13
- Spokane Creek13
- Troy13
- Whitehall13
- Birney12
- Colstrip12
- Crow Agency12
- Ennis12
- Forsyth12
- Hardin12
- Hysham12
- Jordan12
- Lame Deer12
- Malta12
- Manhattan12
- Miles City12
- Pryor12
- Roundup12
- Shepherd12
- Stanford12
- Three Forks12
- West Yellowstone12
- White Sulphur Springs12
- Winnett12
- Amsterdam11
- Beaverhead County11
- Bozeman11
- Livingston11
- Madison County11
- Sweet Grass County11
- Belgrade10
- Maverick Mountain10
- Virginia City10
- Big Timber9
- Churchill9
- Columbus9
- Gallatin County9
- Park County9
- Ryegate9
- Wilsall9
- Helena Valley West Central8
- Rosebud County8
- Sedan8
- Absarokee7
- Big Sky7
- Deer Lodge7
- Dillon7
- Roberts7
- Hill County5
- Harlowton4
- Teton County4
- Gardiner3
- Toole County3
- Butte1
- Bridger CDP0
