Air quality in Idaho
Air quality index (AQI⁺) and PM2.5 air pollution in Idaho • 04:28, Jun 13
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?
- Preston50
- Boise City46
- Pocatello46
- Butte County45
- Power44
- Idaho County43
- Juliaetta39
- Weiser38
- St. Maries34
- Garden Valley33
- Dayton31
- Lewis County31
- Lewiston28
- Cassia County27
- Hidden Springs26
- Caldwell25
- Hayden25
- Meridian25
- Nampa25
- Ada County24
- Craigmont23
- Garden City23
- Lemhi County23
- Bear Lake22
- Teton County22
- Aberdeen21
- American Falls21
- Ammon21
- Blackfoot21
- Canyon County21
- Chubbuck21
- Franklin21
- Hailey21
- Iona21
- Lincoln21
- McCall21
- Montpelier21
- Moreland21
- Moscow21
- Paris21
- Shelley21
- Tyhee21
- Victor21
- Benewah County20
- Ketchum20
- Kuna20
- Owyhee20
- Ucon20
- Buhl19
- Custer County19
- Filer19
- Glenns Ferry19
- Malad City19
- Nez Perce County19
- Oakley19
- Rigby19
- Blaine County18
- Burley18
- Clark Fork18
- Eagle18
- Emmett18
- Fairfield18
- Gooding18
- Hansen18
- Heyburn18
- Homedale18
- Horseshoe Bend18
- Jerome18
- Kellogg18
- Kimberly18
- Marsing18
- Middleton18
- Minidoka18
- Mountain Home18
- Murphy18
- New Plymouth18
- Osburn18
- Parma18
- Paul18
- Plummer18
- Rathdrum18
- Robie Creek18
- Rupert18
- Shoshone18
- Soda Springs18
- Spirit Lake18
- Star18
- Sun Valley18
- Wallace18
- Wendell18
- Wilder18
- Arco17
- Bellevue17
- Boise17
- Coeur d'Alene17
- Dubois17
- Fruitland17
- Hope17
- Idaho City17
- Payette17
- Ponderay17
- Priest River17
- Riggins17
- Swan Valley17
- Twin Falls17
- Twin Falls County17
- Valley County17
- Cascade16
- New Meadows16
- Potlatch16
- Sugar City16
- Fort Hall15
- Bonners Ferry14
- Council14
- Donnelly14
- Moyie Springs14
- Orofino14
- St. Anthony14
- Ashton13
- Challis13
- Coolin13
- Driggs13
- Grangeville13
- Latah County13
- Reubens13
- Tetonia13
- Winchester13
- Idaho Falls12
- Kamiah12
- Kooskia12
- Nezperce12
- Boundary County11
- Dalton Gardens11
- Elmore11
- Kootenai County11
- Post Falls11
- Bonner County9
- Pinehurst8
- Rexburg8
- Sandpoint8
- Cottonwood5
- Hauser4
- Lapwai0
