Air quality in Montana
Air quality index (AQI⁺) and PM2.5 air pollution in Montana • 03:14, 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
5
Learn more about global air quality
Which is the most polluted city in Montana?
- Hamilton75
- Laurel65
- Libby65
- Phillips County65
- Hot Springs64
- Pablo64
- Darby63
- Ravalli County63
- St. Marie63
- Bigfork62
- Corvallis62
- Plains62
- Roosevelt County62
- Malta61
- Montana City61
- West Glendive61
- Eureka60
- Lolo60
- Stevensville60
- Trout Creek60
- Troy60
- Victor60
- Lakeside59
- Orchard Homes59
- Sanders County59
- Sula59
- Baker58
- Circle58
- Fort Belknap Agency58
- Froid58
- Glasgow58
- Glendive58
- Plentywood58
- Richland58
- Scobey58
- Sidney58
- Terry58
- Wibaux58
- Wolf Point58
- Anaconda-Deer Lodge County57
- Chinook57
- Culbertson57
- Custer County57
- Cut Bank57
- Ekalaka57
- Forsyth57
- Havre North57
- Hysham57
- Jordan57
- Kalispell57
- Lake County57
- Miles City57
- Roundup57
- Ryegate57
- Shepherd57
- Winnett57
- Wisdom57
- Wye57
- Birney56
- Broadus56
- Charlo56
- Colstrip56
- Columbus56
- Crow Agency56
- East Missoula56
- Fort Benton56
- Geyser56
- Hardin56
- Lame Deer56
- Pryor56
- Rudyard56
- Shelby56
- Stanford56
- Superior56
- Thompson Falls56
- Toole County56
- Woods Bay56
- Arlee55
- Bear Dance55
- Big Timber55
- Bonner-West Riverside55
- Harlowton55
- Hill County55
- Malmstrom Air Force Base55
- Marion55
- North Browning55
- Red Lodge55
- Ronan55
- Whitefish55
- Columbia Falls54
- Dixon54
- Frenchtown54
- Havre54
- Heart Butte54
- Lincoln County54
- Petroleum County54
- Polson54
- Ravalli54
- Sun Prairie54
- White Sulphur Springs54
- Chester53
- Clancy53
- Coram53
- East Helena53
- Evergreen53
- Flathead County53
- Glacier County53
- Helena Valley Northeast53
- Helena Valley Northwest53
- Helena Valley Southeast53
- Helena West Side53
- Lewistown53
- Lindisfarne53
- Martin City53
- Missoula53
- Noxon53
- Potomac53
- Somers53
- Townsend53
- West Glacier53
- Wilsall53
- Alberton52
- Amsterdam52
- Belgrade52
- Big Arm52
- Craig52
- Dayton52
- East Glacier Park Village52
- Ennis52
- Lockwood52
- Manhattan52
- South Browning52
- St. Ignatius52
- Three Forks52
- Virginia City52
- Walkerville52
- West Yellowstone52
- Whitehall52
- Conrad51
- Teton County48
- Lincoln46
- Billings44
- Piltzville43
- Polebridge41
- Choteau39
- Clinton39
- Helena Valley West Central39
- Lewis and Clark County38
- Judith Basin County36
- Seeley Lake36
- Boulder34
- Philipsburg33
- Missoula County31
- Cascade28
- Deer Lodge27
- Ulm27
- Cascade County26
- Rosebud County26
- Helena24
- Great Falls23
- Browning20
- Butte14
- Madison County13
- Bozeman11
- Park City11
- Sedan11
- Big Sky10
- Stillwater County10
- Gallatin County9
- Absarokee8
- Livingston8
- Big Horn County7
- Bridger CDP6
- Churchill6
- Park County6
- Sweet Grass County6
- Roberts5
- Four Corners4
- Gardiner4
- Beaverhead County2
- Dillon2
