Air quality in Idaho
Air quality index (AQI⁺) and PM2.5 air pollution in Idaho • 04:31, May 20
Live most polluted city ranking
Real-time Idaho most polluted city ranking
Learn more about global air quality
Which is the most polluted city in Idaho?
- Twin Falls50
- Potlatch46
- Juliaetta45
- Winchester44
- Reubens38
- Weiser38
- Caldwell35
- Garden City35
- Canyon County33
- Nampa33
- Idaho County32
- New Meadows30
- St. Maries30
- Dayton29
- Cassia County28
- Pinehurst28
- Plummer28
- Pocatello28
- Custer County24
- Ada County23
- Teton County23
- Lemhi County22
- Lewiston22
- Cottonwood21
- Fort Hall21
- Hayden21
- Kootenai County20
- McCall20
- Blaine County19
- Boise City19
- Butte County19
- Ketchum19
- Emmett18
- Fruitland18
- Hailey18
- Homedale18
- Marsing18
- Meridian18
- New Plymouth18
- Nez Perce County18
- Parma18
- Payette18
- Wilder18
- Bear Lake17
- Council17
- Dalton Gardens17
- Donnelly17
- Franklin17
- Grangeville17
- Hidden Springs17
- Kuna17
- Middleton17
- Nezperce17
- Paris17
- Star17
- Sun Valley17
- Twin Falls County17
- Victor17
- Cascade16
- Horseshoe Bend16
- Kamiah16
- Kooskia16
- Murphy16
- Orofino16
- Riggins16
- Robie Creek16
- Boise15
- Coeur d'Alene15
- Garden Valley15
- Benewah County14
- Clark Fork14
- Filer14
- Owyhee14
- Valley County14
- Buhl13
- Burley13
- Craigmont13
- Fairfield13
- Glenns Ferry13
- Gooding13
- Hansen13
- Heyburn13
- Hope13
- Idaho City13
- Jerome13
- Kimberly13
- Lewis County13
- Malad City13
- Mountain Home13
- Oakley13
- Paul13
- Rupert13
- Shoshone13
- Wendell13
- Bonner County12
- Latah County12
- Minidoka12
- Montpelier12
- Moyie Springs12
- Aberdeen11
- American Falls11
- Bonners Ferry11
- Chubbuck11
- Rexburg11
- Sandpoint11
- Soda Springs11
- Tyhee11
- Coolin10
- Kellogg10
- Osburn10
- Rathdrum10
- Spirit Lake10
- Wallace10
- Ammon9
- Blackfoot9
- Boundary County9
- Challis9
- Eagle9
- Iona9
- Lincoln9
- Moreland9
- Ponderay9
- Priest River9
- Rigby9
- Shelley9
- Sugar City9
- Swan Valley9
- Ucon9
- Bellevue8
- Moscow8
- Power7
- St. Anthony7
- Arco6
- Ashton6
- Driggs6
- Dubois6
- Elmore6
- Hauser6
- Idaho Falls6
- Lapwai6
- Post Falls6
- Tetonia6
- Salmon1
- Preston0
