Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
LIVE AQI CITY RANKING
Real-time Iowa
Most polluted city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Saylorville | 53 |
| 2 | West Des Moines | 53 |
| 3 | Pleasant Hill | 51 |
| 4 | Clinton | 50 |
| 5 | Ankeny | 47 |
| 6 | Keosauqua | 46 |
| 7 | Ottumwa | 46 |
| 8 | Ames | 44 |
| 9 | Central City | 42 |
| 10 | Decorah | 41 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
60 Contributors
See all
LIVE AQI CITY RANKING
Real-time Iowa
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Riverside | 13 |
| 2 | Slater | 16 |
| 3 | Sioux City | 18 |
| 4 | Emmetsburg | 19 |
| 5 | Mineola | 22 |
| 6 | Council Bluffs | 23 |
| 7 | Carter Lake | 25 |
| 8 | Waterloo | 34 |
| 9 | Davenport | 35 |
| 10 | Stanton | 35 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
News
The latest air quality news and resources.
Iowa air quality data attribution
60Contributors
- Douglas County Health Department
1 station
Government Contributor
Educational Contributor
- willsdsm1
1 station
- jkesterson
1 station
2 Individual Contributors
- 56 Anonymous contributors
56 stations
56 Anonymous Contributors
Which is the most polluted city in Iowa?
- Bloomfield 61
- Centerville 61
- Albia 60
- Chariton 60
- Corydon 60
- Eddyville 60
- Lamoni 60
- Leon 60
- Maharishi Vedic City 60
- Oskaloosa 60
- Bedford 59
- Belle Plaine 59
- Brooklyn 59
- Fort Madison 59
- Grinnell 59
- Indianola 59
- Kalona 59
- Keokuk 59
- Knoxville 59
- Marengo 59
- Melcher-Dallas 59
- Monroe 59
- Montezuma 59
- Mount Ayr 59
- Mount Pleasant 59
- New London 59
- New Sharon 59
- North English 59
- Osceola 59
- Pella 59
- Pleasantville 59
- Sigourney 59
- Washington 59
- Wellman 59
- Williamsburg 59
- Winfield 59
- Adel 58
- Altoona 58
- Anamosa 58
- Atkins 58
- Baxter 58
- Bellevue 58
- Bettendorf 58
- Blue Grass 58
- Bondurant 58
- Buffalo 58
- Buffalo (historical) 58
- Burlington 58
- Camanche 58
- Carlisle 58
- Cascade 58
- Center Point 58
- Colfax 58
- Columbus Junction 58
- Conrad 58
- Coralville 58
- Creston 58
- Dallas Center 58
- De Soto 58
- De Witt 58
- Dike 58
- Durant 58
- Dysart 58
- Earlham 58
- Eldora 58
- Eldridge 58
- Elk Run Heights 58
- Ely 58
- Evansdale 58
- Fairfax 58
- Granger 58
- Grimes 58
- Grundy Center 58
- Hudson 58
- Huxley 58
- Independence 58
- Johnston 58
- La Porte City 58
- Le Claire 58
- Lenox 58
- Lone Tree 58
- Madrid 58
- Maquoketa 58
- Marion 58
- Marshalltown 58
- Mechanicsville 58
- Mediapolis 58
- Mitchellville 58
- Monticello 58
- Mount Vernon 58
- Nevada 58
- Newton 58
- North Liberty 58
- Norwalk 58
- Palo 58
- Park View 58
- Polk City 58
- Prairie City 58
- Preston 58
- Reinbeck 58
- Robins 58
- Roland 58
- Solon 58
- Springville 58
- State Center 58
- Tama 58
- Tiffin 58
- Tipton 58
- Toledo 58
- Traer 58
- University Heights 58
- Urbana 58
- Urbandale 58
- Van Meter 58
- Vinton 58
- Walcott 58
- Walford 58
- Wapello 58
- Waukee 58
- West Branch 58
- West Burlington 58
- West Liberty 58
- Wilton 58
- Windsor Heights 58
- Winterset 58
- Ackley 57
- Allison 57
- Aplington 57
- Asbury 57
- Atlantic 57
- Boone 57
- Cedar Falls 57
- Charles City 57
- Clarinda 57
- Clarksville 57
- Corning 57
- Cresco 57
- Denver 57
- Dyersville 57
- Elkader 57
- Epworth 57
- Fairbank 57
- Farley 57
- Fayette 57
- Gilbert 57
- Glenwood 57
- Greene 57
- Greenfield 57
- Guthrie Center 57
- Guttenberg 57
- Hamburg 57
- Hampton 57
- Iowa Falls 57
- Jesup 57
- Jewell 57
- Lake Panorama 57
- Malvern 57
- Manchester 57
- Monona 57
- Nashua 57
- New Hampton 57
- Oakland 57
- Oelwein 57
- Ogden 57
- Panora 57
- Parkersburg 57
- Peosta 57
- Perry 57
- Postville 57
- Red Oak 57
- Shell Rock 57
- Shenandoah 57
- Sidney 57
- Story City 57
- Strawberry Point 57
- Stuart 57
- Sumner 57
- Tripoli 57
- Villisca 57
- Waukon 57
- Waverly 57
- West Union 57
- Woodward 57
- Audubon 56
- Avoca 56
- Belmond 56
- Britt 56
- Carroll 56
- Clarion 56
- Clear Lake 56
- Coon Rapids 56
- Dakota City 56
- Denison 56
- Eagle Grove 56
- Fort Dodge 56
- Garner 56
- Glidden 56
- Harlan 56
- Humboldt 56
- Jefferson 56
- Lake City 56
- Lake View 56
- Logan 56
- Manly 56
- Manning 56
- Manson 56
- Mason City 56
- Missouri Valley 56
- Nora Springs 56
- Osage 56
- Rockwell 56
- Rockwell City 56
- Sac City 56
- Saint Ansgar 56
- Sheffield 56
- Webster City 56
- Woodbine 56
- Algona 55
- Forest City 55
- Lake Mills 55
- Northwood 55
- Pocahontas 55
- Saylorville 53
- West Des Moines 53
- Pisgah 52
- Pleasant Hill 51
- Clinton 50
- Ankeny 47
- Keosauqua 46
- Ottumwa 46
- Laurens 45
- Ames 44
- Ida Grove 44
- Storm Lake 43
- Central City 42
- Decorah 41
- Cedar Rapids 40
- Iowa City 39
- Lisbon 39
- Mapleton 39
- Muscatine 39
- Coggon 38
- Dubuque 38
- Alta 37
- Clive 37
- Des Moines 37
- Hiawatha 37
- Fairfield 36
- Davenport 35
- Holstein 35
- Stanton 35
- Onawa 34
- Waterloo 34
- Arnolds Park 31
- Cherokee 31
- Estherville 31
- Hartley 31
- Marcus 31
- Milford 31
- Paullina 31
- Primghar 31
- Spencer 31
- Spirit Lake 31
- Kingsley 30
- Lake Park 30
- Remsen 30
- Sanborn 30
- Alton 29
- Moville 29
- Sheldon 29
- Sibley 29
- Le Mars 28
- Orange City 28
- Sergeant Bluff 28
- George 27
- Hull 27
- Sioux Center 27
- Akron 25
- Carter Lake 25
- Hawarden 25
- Rock Rapids 25
- Rock Valley 25
- Council Bluffs 23
- Mineola 22
- Emmetsburg 19
- Sioux City 18
- Slater 16
- Riverside 13
AQI US, Metric