Air quality in Idaho
Air quality index (AQI⁺) and PM2.5 air pollution in Idaho • 01:01, Jul 17
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?
- Boise City106
- Boundary County98
- Hayden79
- Bonner County72
- Coeur d'Alene70
- Dalton Gardens66
- Kootenai County65
- Sandpoint64
- Coolin62
- Ponderay62
- Priest River62
- Rathdrum62
- Spirit Lake62
- Clark Fork61
- Hope61
- Plummer61
- Bonners Ferry60
- Kellogg60
- Moyie Springs60
- Osburn60
- Post Falls60
- Wallace60
- Hauser59
- Potlatch58
- Cascade57
- Council57
- Craigmont57
- Donnelly57
- Emmett57
- Lewiston57
- American Falls56
- Caldwell56
- Fruitland56
- Grangeville56
- Horseshoe Bend56
- Kamiah56
- Kooskia56
- Middleton56
- New Plymouth56
- Parma56
- Payette56
- Star56
- Aberdeen55
- Ashton55
- Burley55
- Chubbuck55
- Driggs55
- Dubois55
- Heyburn55
- Iona55
- Lapwai55
- Minidoka55
- Moreland55
- Paul55
- Reubens55
- Rigby55
- Rupert55
- St. Anthony55
- Sugar City55
- Tetonia55
- Tyhee55
- Ucon55
- Wilder55
- Winchester55
- Ammon54
- Arco54
- Bellevue54
- Benewah County54
- Blackfoot54
- Challis54
- Fairfield54
- Glenns Ferry54
- Gooding54
- Hansen54
- Homedale54
- Idaho Falls54
- Jerome54
- Kimberly54
- Lincoln54
- Mountain Home54
- Oakley54
- Shelley54
- Shoshone54
- Wendell54
- Buhl53
- Filer53
- Garden City53
- Marsing53
- Nez Perce County53
- Nezperce53
- Power53
- Troy52
- Malad City49
- Orofino49
- Butte County48
- New Meadows48
- Lewis County47
- Idaho County46
- Juliaetta45
- Moscow45
- Nampa45
- Cottonwood43
- Rexburg43
- Weiser42
- Ada County40
- Latah County40
- Canyon County39
- St. Maries39
- Twin Falls39
- Murphy38
- Robie Creek38
- Boise37
- Hidden Springs37
- Kuna37
- Garden Valley36
- Pinehurst35
- Pocatello35
- Blaine County34
- Dayton34
- Riggins34
- Fort Hall33
- Cassia County32
- Teton County32
- Valley County32
- Swan Valley31
- Ketchum29
- Meridian29
- Sun Valley29
- Franklin28
- Hailey28
- Preston28
- Soda Springs28
- Owyhee27
- Victor27
- Montpelier23
- Paris23
- Custer County22
- Eagle22
- McCall19
- Bear Lake18
- Idaho City17
- Lemhi County17
- Twin Falls County16
- Elmore6
