Air quality in Idaho
Air quality index (AQI⁺) and PM2.5 air pollution in Idaho • 16:27, May 14
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?
- Butte County
- Canyon County
- Cassia County
- Lemhi County
- Nez Perce County
- Robie Creek
- Twin Falls County
- Power50
- Boise44
- Pocatello40
- Idaho County39
- Weiser38
- Blaine County27
- Idaho Falls27
- Fort Hall26
- Garden Valley26
- Nampa26
- Nezperce25
- Ada County24
- Dayton24
- Garden City24
- Hailey24
- Teton County24
- Boise City23
- Caldwell23
- Challis23
- Ketchum23
- Victor23
- Eagle22
- Kuna22
- Meridian22
- New Meadows22
- Rexburg22
- Sun Valley22
- Bear Lake21
- McCall21
- Riggins21
- Valley County21
- Boundary County19
- Lapwai19
- Orofino19
- Lewiston17
- Pinehurst17
- Winchester17
- St. Maries16
- Montpelier14
- Paris14
- Franklin13
- Coeur d'Alene12
- Malad City12
- Sandpoint12
- Soda Springs12
- Ashton11
- Dubois11
- Latah County11
- Rigby11
- St. Anthony11
- Sugar City11
- Swan Valley11
- Twin Falls11
- Ucon11
- Ammon10
- Iona10
- Aberdeen9
- American Falls9
- Bellevue9
- Blackfoot9
- Bonner9
- Buhl9
- Cascade9
- Chubbuck9
- Cottonwood9
- Council9
- Emmett9
- Filer9
- Fruitland9
- Gooding9
- Hansen9
- Heyburn9
- Hidden Springs9
- Homedale9
- Jerome9
- Kooskia9
- Marsing9
- Middleton9
- Minidoka9
- Moreland9
- Murphy9
- New Plymouth9
- Oakley9
- Owyhee9
- Parma9
- Paul9
- Payette9
- Reubens9
- Rupert9
- Shelley9
- Shoshone9
- Tyhee9
- Wallace9
- Wendell9
- Wilder9
- Fairfield8
- Glenns Ferry8
- Juliaetta8
- Kellogg8
- Mountain Home8
- Osburn8
- Ponderay8
- Potlatch8
- Priest River8
- Spirit Lake7
- Hauser6
- Hayden6
- Plummer6
- Dalton Gardens0
- Elmore0
- Idaho City0
- Kootenai County0
- Post Falls0
- Preston0
- Salmon0
