Air quality in Montana
Air quality index (AQI⁺) and PM2.5 air pollution in Montana • 17:30, Sep 11
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?
- Montana City57
- Great Falls52
- Big Arm51
- Bonner-West Riverside51
- Dayton51
- East Missoula51
- Ravalli51
- Missoula48
- Somers48
- Stevensville48
- Marion47
- Evergreen45
- Maverick Mountain45
- Victor44
- Potomac36
- Lewis and Clark County32
- Libby29
- Martin City26
- Darby25
- West Glendive24
- Flathead County23
- Kalispell23
- Philipsburg23
- Polebridge23
- West Glacier23
- Bozeman22
- Hot Springs22
- Phillips County22
- Trout Creek22
- Lakeside21
- Lincoln County21
- Livingston21
- Noxon21
- Plains21
- Troy21
- Billings20
- Coram20
- Gardiner20
- Ennis19
- Gallatin County19
- Hamilton19
- Thompson Falls19
- Whitefish19
- Columbia Falls18
- Lockwood18
- Seeley Lake18
- Stillwater County18
- Absarokee17
- Bigfork17
- Charlo17
- Frenchtown17
- Lindisfarne17
- Park County17
- Roosevelt County17
- Wye17
- Amsterdam16
- Belgrade16
- Big Sky16
- Bridger CDP16
- Butte16
- Dillon16
- Lewistown16
- Madison County16
- Manhattan16
- Rosebud County16
- Sula16
- Three Forks16
- Virginia City16
- Whitehall16
- Wisdom16
- Alberton14
- Arlee14
- Boulder14
- Crow Agency14
- Teton County14
- Walkerville14
- Anaconda-Deer Lodge County13
- Big Timber13
- Birney13
- Clancy13
- Columbus13
- Craig13
- Culbertson13
- Harlowton13
- Helena Valley Northeast13
- Helena Valley Northwest13
- Helena Valley Southeast13
- Helena West Side13
- Park City13
- Polson13
- Ravalli County13
- Sanders County13
- Sweet Grass County13
- Townsend13
- Wilsall13
- Baker12
- Broadus12
- Churchill12
- Colstrip12
- Deer Lodge12
- Ekalaka12
- Forsyth12
- Four Corners12
- Geyser12
- Hardin12
- Lame Deer12
- Laurel12
- Lincoln12
- Malmstrom Air Force Base12
- Miles City12
- Orchard Homes12
- Pryor12
- Red Lodge12
- Roberts12
- Stanford12
- Sun Prairie12
- Wibaux12
- Eureka11
- Glendive11
- Lake County11
- Sidney11
- St. Ignatius11
- Hysham10
- Piltzville10
- Richland10
- Terry10
- West Yellowstone10
- Bear Dance9
- East Glacier Park Village9
- Lolo9
- Roundup9
- Ryegate9
- Sedan9
- Shelby9
- Shepherd9
- Superior9
- Woods Bay9
- Clinton8
- Cut Bank8
- Fort Benton8
- Helmville8
- North Browning8
- Petroleum County8
- South Browning8
- Winnett8
- Conrad7
- Corvallis7
- East Helena7
- Helena7
- Jordan7
- Missoula County7
- Browning6
- Chester6
- Chinook6
- Circle6
- Fort Belknap Agency6
- Froid6
- Havre North6
- Malta6
- Pablo6
- Ronan6
- Rudyard6
- Scobey6
- St. Marie6
- Wolf Point6
- Cascade County5
- Choteau5
- Helena Valley West Central5
- Custer County4
- Glacier County4
- Cascade3
- Dixon3
- Big Horn County2
- Plentywood2
- Beaverhead County1
- Heart Butte1
- Judith Basin County1
- Ulm1
- White Sulphur Springs1
- Glasgow0
- Havre0
- Hill County0
- Spokane Creek0
