Air quality in Montana
Air quality index (AQI⁺) and PM2.5 air pollution in Montana • 18:30, Aug 21
Montana Department of Environmental QualityUSA National Park ServiceCrosscut Mountain Sports CenterMojave Desert Air Quality Management District (MDAQMD)Dusty McSensorfaceMissouri Department of Natural ResourcesEMBGSunflower MontessoriAnonymousBellamooBrian BrownAnonymousMPGRandy OlsonBDMBrianVDonald 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 BrownAnonymousMPGRandy OlsonBDMBrianVDonald 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?
- Sweet Grass County126
- Ravalli County93
- Corvallis83
- Darby83
- Hamilton82
- Bear Dance80
- Missoula80
- Lakeside77
- Lolo77
- Noxon77
- Park City77
- Frenchtown76
- Laurel76
- Woods Bay74
- Polson73
- Alberton72
- Bigfork72
- Superior72
- Libby71
- Orchard Homes71
- Piltzville71
- Whitefish71
- Deer Lodge70
- Lindisfarne70
- Missoula County70
- Arlee69
- Big Horn County69
- Cascade County69
- Columbia Falls69
- Culbertson69
- Helena Valley West Central69
- Lincoln County69
- Pablo69
- Polebridge69
- Roberts69
- St. Ignatius69
- Flathead County68
- Lake County68
- Montana City68
- Ronan68
- Thompson Falls68
- Clinton67
- Kalispell67
- Plains67
- Troy67
- Beaverhead County66
- Great Falls66
- Hot Springs66
- Absarokee65
- Trout Creek65
- Browning64
- Butte64
- Dixon64
- Eureka64
- Helena64
- Lewis and Clark County64
- Rosebud County64
- Sanders County64
- Seeley Lake64
- Wye64
- Big Arm63
- Bonner-West Riverside63
- Charlo63
- Dayton63
- East Missoula63
- Evergreen63
- Judith Basin County63
- Livingston63
- Marion63
- Park County63
- Ravalli63
- Roosevelt County63
- Stevensville63
- Stillwater County63
- Billings62
- Boulder62
- Coram62
- Glacier County62
- Martin City62
- Somers62
- Victor62
- West Glacier62
- Crow Agency61
- Hardin61
- Havre North61
- Shelby61
- Birney60
- Cascade60
- Chester60
- Colstrip60
- Cut Bank60
- East Glacier Park Village60
- Forsyth60
- Havre60
- Lame Deer60
- Lockwood60
- Philipsburg60
- Potomac60
- Pryor60
- Sedan60
- South Browning60
- Bozeman59
- Choteau59
- Churchill59
- Dillon59
- Gallatin County59
- Hysham59
- Ulm59
- West Glendive59
- Broadus58
- Columbus58
- Custer County58
- Ekalaka58
- Miles City58
- Plentywood58
- Scobey58
- Baker57
- Heart Butte57
- St. Marie57
- Sula57
- Bridger CDP56
- Four Corners56
- Lewistown56
- Shepherd56
- Terry56
- West Yellowstone56
- Wolf Point56
- Anaconda-Deer Lodge County55
- Circle55
- Froid55
- Roundup55
- Ryegate55
- Toole County55
- Wisdom55
- Gardiner54
- Harlowton54
- Lincoln54
- North Browning54
- Phillips County54
- Walkerville54
- Winnett54
- Big Timber53
- Clancy53
- Conrad53
- Craig53
- East Helena53
- Ennis53
- Fort Benton53
- Geyser53
- Helena Valley Northeast53
- Helena Valley Northwest53
- Helena Valley Southeast53
- Helena West Side53
- Hill County53
- Madison County53
- Malmstrom Air Force Base53
- Stanford53
- Sun Prairie53
- Teton County53
- Townsend53
- Virginia City53
- White Sulphur Springs53
- Whitehall53
- Wilsall53
- Amsterdam52
- Belgrade52
- Jordan52
- Manhattan52
- Rudyard52
- Three Forks52
- Chinook51
- Sidney49
- Glasgow48
- Petroleum County48
- Richland48
- Fort Belknap Agency47
- Malta46
- Big Sky38
- Wibaux37
- Glendive36
