Air quality in Idaho
Air quality index (AQI⁺) and PM2.5 air pollution in Idaho • 05:28, May 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?
- Canyon County53
- Garden Valley47
- St. Maries46
- Nampa45
- Power44
- Caldwell43
- Weiser42
- Elmore39
- Garden City39
- Kootenai County39
- Sandpoint39
- Butte County38
- Idaho County36
- Meridian34
- Idaho City33
- Pocatello33
- Lewis County29
- McCall29
- Boise City28
- Kuna28
- Pinehurst28
- Preston28
- Blaine County24
- Rathdrum24
- Ada County23
- Cassia County23
- Dayton23
- Nez Perce County23
- Priest River23
- Riggins23
- Spirit Lake23
- Twin Falls County23
- Bonner County22
- Boundary County22
- Dalton Gardens22
- New Meadows22
- Council21
- Emmett21
- Fort Hall21
- Fruitland21
- Homedale21
- Marsing21
- Middleton21
- New Plymouth21
- Parma21
- Payette21
- Plummer21
- Wilder21
- Bear Lake20
- Hidden Springs20
- Boise19
- Burley19
- Cascade19
- Coolin19
- Cottonwood19
- Donnelly19
- Grangeville19
- Hansen19
- Hayden19
- Heyburn19
- Horseshoe Bend19
- Juliaetta19
- Kimberly19
- Minidoka19
- Murphy19
- Oakley19
- Owyhee19
- Paul19
- Potlatch19
- Reubens19
- Rupert19
- Star19
- Twin Falls19
- Winchester19
- Coeur d'Alene18
- Filer18
- Franklin18
- Hailey18
- Ketchum18
- Latah County18
- Nezperce18
- Rexburg18
- Valley County18
- Aberdeen17
- American Falls17
- Arco17
- Bellevue17
- Buhl17
- Challis17
- Clark Fork17
- Custer County17
- Fairfield17
- Glenns Ferry17
- Gooding17
- Hope17
- Idaho Falls17
- Jerome17
- Kamiah17
- Kellogg17
- Kooskia17
- Lewiston17
- Moscow17
- Mountain Home17
- Orofino17
- Osburn17
- Ponderay17
- Post Falls17
- Salmon17
- Shoshone17
- Wallace17
- Wendell17
- Benewah County16
- Bonners Ferry16
- Chubbuck16
- Malad City16
- Moyie Springs16
- Sun Valley16
- Teton County16
- Tyhee16
- Craigmont15
- Lemhi County15
- Blackfoot14
- Moreland14
- Paris14
- Victor14
- Ammon13
- Dubois13
- Iona13
- Lincoln13
- Montpelier13
- Robie Creek13
- Shelley13
- Soda Springs13
- Ucon13
- Rigby12
- Sugar City12
- Ashton11
- Driggs11
- St. Anthony11
- Swan Valley11
- Tetonia11
- Eagle9
- Hauser8
- Lapwai0
