Air quality in Idaho
Air quality index (AQI⁺) and PM2.5 air pollution in Idaho • 16:01, Jun 10
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?
- Garden Valley52
- Power50
- Pocatello46
- Butte County44
- Lapwai44
- Hayden40
- Boise City39
- Weiser38
- Rexburg31
- Payette28
- Ada County27
- Boise27
- Fruitland27
- Juliaetta27
- Meridian27
- Cassia County26
- Garden City26
- Hidden Springs26
- Ketchum26
- Kootenai County26
- Idaho Falls25
- Nampa25
- Blaine County24
- Fort Hall24
- Hailey24
- New Plymouth24
- Parma24
- Sun Valley24
- Homedale23
- Teton County23
- Wilder23
- Marsing22
- Robie Creek22
- Caldwell21
- Dayton21
- Emmett21
- Franklin21
- Middleton21
- Star21
- Horseshoe Bend20
- Valley County20
- Burley19
- Heyburn19
- Kuna19
- Malad City19
- Oakley19
- Orofino19
- Paris19
- Paul19
- Rupert19
- Twin Falls County19
- Victor19
- Aberdeen18
- American Falls18
- Canyon County18
- Cascade18
- Chubbuck18
- Council18
- Hansen18
- Kimberly18
- Minidoka18
- Moreland18
- Murphy18
- New Meadows18
- Tyhee18
- Ammon17
- Arco17
- Blackfoot17
- Dubois17
- Idaho City17
- Iona17
- Lemhi County17
- Lincoln17
- McCall17
- Montpelier17
- Nez Perce County17
- Shelley17
- Soda Springs17
- Ucon17
- Buhl16
- Donnelly16
- Filer16
- Jerome16
- Rigby16
- Shoshone16
- Sugar City16
- Wendell16
- Ashton15
- Bellevue15
- Fairfield15
- Glenns Ferry15
- Gooding15
- Mountain Home15
- Owyhee15
- St. Anthony15
- Swan Valley15
- Boundary County14
- Driggs14
- Moscow14
- Tetonia14
- Bonners Ferry13
- Challis13
- Coeur d'Alene13
- Coolin13
- Hauser13
- Moyie Springs13
- Ponderay13
- Priest River13
- Rathdrum13
- Riggins13
- Spirit Lake13
- Bear Lake12
- Grangeville12
- Clark Fork11
- Craigmont11
- Custer County11
- Hope11
- Kamiah11
- Kellogg11
- Kooskia11
- Latah County11
- Osburn11
- Plummer11
- Potlatch11
- Reubens11
- Salmon11
- St. Maries11
- Twin Falls11
- Wallace11
- Winchester11
- Bonner County9
- Nezperce9
- Sandpoint9
- Benewah County8
- Cottonwood7
- Eagle6
- Idaho County6
- Lewis County6
- Lewiston6
- Pinehurst6
- Dalton Gardens0
- Elmore0
- Post Falls0
- Preston0








