Air quality in Idaho
Air quality index (AQI⁺) and PM2.5 air pollution in Idaho • 07:30, Jul 20
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 County172
- Nampa166
- Gem County158
- Meridian158
- Kuna156
- Garden City152
- New Meadows151
- Eagle145
- Ada County143
- Payette138
- Fruitland136
- Parma130
- New Plymouth128
- Boise City125
- Homedale125
- Wilder125
- McCall123
- Council119
- Marsing118
- Caldwell114
- Middleton113
- Donnelly109
- Emmett109
- Valley County109
- Star107
- Cascade103
- Murphy102
- Riggins102
- Horseshoe Bend99
- Hidden Springs95
- Winchester95
- Grangeville94
- Reubens93
- Kooskia91
- Boise90
- Kamiah90
- Rathdrum89
- Priest River88
- Spirit Lake88
- Potlatch87
- Plummer86
- Ponderay83
- Coolin82
- Hope82
- Clark Fork81
- Kellogg81
- Osburn80
- Robie Creek80
- Wallace80
- Weiser80
- Garden Valley78
- Owyhee78
- Twin Falls County78
- Bonners Ferry77
- Mountain Home77
- Hauser76
- Moyie Springs76
- Craigmont74
- Lewis County70
- Nez Perce County69
- Salmon69
- Idaho City68
- Lemhi County68
- Nezperce68
- Glenns Ferry65
- Lewiston65
- Challis63
- Cottonwood63
- Juliaetta63
- Orofino63
- Idaho County61
- Kootenai County60
- Fairfield59
- Gooding58
- Post Falls58
- Buhl57
- Filer57
- Wendell57
- Bellevue56
- Jerome56
- Kimberly56
- Shoshone56
- Twin Falls56
- Arco55
- Dubois55
- Hansen55
- Hayden54
- Bonner County53
- Boundary County52
- Burley52
- Heyburn52
- Paul52
- Butte County51
- Ketchum51
- Rupert51
- Custer County50
- Elmore50
- Lapwai50
- Minidoka50
- Blaine County49
- Hailey47
- Oakley47
- Coeur d'Alene46
- Pocatello46
- Sun Valley46
- Benewah County42
- Teton County40
- Dalton Gardens39
- Fort Hall39
- Moreland39
- Sandpoint39
- Swan Valley39
- Cassia County38
- Aberdeen37
- Rigby37
- Sugar City37
- Ucon36
- Idaho Falls35
- Moscow35
- Blackfoot34
- Latah County34
- Shelley34
- St. Anthony34
- Victor34
- Power33
- American Falls32
- Iona32
- Lincoln32
- Ammon31
- Ashton31
- Troy28
- Tyhee28
- Chubbuck27
- Bear Lake26
- Tetonia23
- Driggs22
- Rexburg20
- Dayton19
- Franklin19
- Malad City19
- Montpelier19
- Paris19
- Soda Springs19
- Preston17
- St. Maries16
- Pinehurst11
