Air quality in Idaho
Air quality index (AQI⁺) and PM2.5 air pollution in Idaho • 00:22, Jun 23
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?
- Lewis County52
- Boise City51
- Pocatello51
- Butte County50
- Valley County43
- McCall42
- Weiser42
- Nampa39
- Caldwell37
- Canyon County36
- Dayton34
- Cassia County33
- New Meadows32
- Ada County31
- Nez Perce County30
- Kuna29
- Boise28
- Custer County28
- Hidden Springs28
- Orofino28
- Pinehurst28
- Garden City27
- Lemhi County27
- Riggins27
- Coeur d'Alene26
- Craigmont26
- Ketchum26
- Kootenai County26
- Nezperce26
- Robie Creek26
- Sandpoint26
- Teton County26
- Victor26
- Hailey25
- Hayden25
- Blaine County24
- Fort Hall24
- Moscow24
- Sun Valley24
- Bear Lake23
- Benewah County23
- Meridian23
- Eagle22
- Hauser22
- Idaho County22
- Juliaetta22
- Lewiston22
- Twin Falls22
- Boundary County21
- Council21
- Donnelly21
- Latah County21
- Bonner County20
- Garden Valley19
- Reubens19
- Winchester19
- Grangeville18
- Cascade17
- Kamiah17
- Kooskia17
- Preston17
- Potlatch16
- Star16
- Driggs15
- Emmett15
- Middleton15
- Rexburg15
- Salmon15
- Swan Valley15
- Tetonia15
- Ammon14
- Blackfoot14
- Franklin14
- Fruitland14
- Homedale14
- Horseshoe Bend14
- Iona14
- Lincoln14
- Marsing14
- Montpelier14
- New Plymouth14
- Paris14
- Parma14
- Payette14
- Plummer14
- Rigby14
- Shelley14
- Soda Springs14
- St. Anthony14
- Sugar City14
- Ucon14
- Wilder14
- Kellogg13
- Moreland13
- Murphy13
- Osburn13
- Rathdrum13
- St. Maries13
- Wallace13
- Oakley12
- Owyhee12
- Spirit Lake12
- Ashton11
- Bellevue11
- Buhl11
- Burley11
- Challis11
- Dubois11
- Fairfield11
- Filer11
- Glenns Ferry11
- Gooding11
- Hansen11
- Heyburn11
- Jerome11
- Kimberly11
- Lapwai11
- Malad City11
- Minidoka11
- Mountain Home11
- Paul11
- Post Falls11
- Rupert11
- Shoshone11
- Twin Falls County11
- Wendell11
- Arco10
- Moyie Springs10
- Aberdeen9
- American Falls9
- Bonners Ferry9
- Chubbuck9
- Clark Fork9
- Cottonwood9
- Power9
- Priest River9
- Tyhee9
- Coolin8
- Hope8
- Ponderay8
- Dalton Gardens6
- Elmore6
- Idaho City6
- Idaho Falls3
