Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Purifiers
For Business
News
Support
Air quality in Missouri
Air quality index (AQI) and PM2.5 air pollution in Missouri
LIVE AQI CITY RANKING
Real-time Missouri
Most polluted city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Harrisonville | 62 |
| 2 | Kansas City | 61 |
| 3 | Oak Grove | 61 |
| 4 | Carthage | 59 |
| 5 | Belton | 53 |
| 6 | Neosho | 53 |
| 7 | Saint Joseph | 53 |
| 8 | Stoutsville | 41 |
| 9 | Moberly | 38 |
| 10 | Saint Charles | 37 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
30 Contributors
See all
LIVE AQI CITY RANKING
Real-time Missouri
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Webster Groves | 5 |
| 2 | Jennings | 6 |
| 3 | Valley Park | 7 |
| 4 | Saint Louis | 10 |
| 5 | St Louis | 12 |
| 6 | Chesterfield | 14 |
| 7 | Van Buren | 14 |
| 8 | Affton | 16 |
| 9 | Arnold | 16 |
| 10 | Cottleville | 16 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
Missouri air quality data attribution
30Contributors
- Missouri Department of Natural Resources
1 station
- USA National Park Service
1 station
2 Government Contributors
- 26 Anonymous contributors
26 stations
26 Anonymous Contributors
4 Data sources
Which is the most polluted city in Missouri?
- Harrisonville 62
- Kansas City 61
- Oak Grove 61
- Carthage 59
- Belton 53
- Neosho 53
- Saint Joseph 53
- Caruthersville 46
- Hayti 46
- Portageville 46
- Sainte Genevieve 46
- Steele 46
- Charleston 45
- East Prairie 45
- Fredericktown 45
- Greenville 45
- Lilbourn 45
- Marble Hill 45
- New Madrid 45
- Perryville 45
- Piedmont 45
- Advance 44
- Bernie 44
- Bloomfield 44
- Bonne Terre 44
- Campbell 44
- Clarkton 44
- Dexter 44
- Farmington 44
- Gideon 44
- Kennett 44
- Malden 44
- Senath 44
- Sikeston 44
- Bellefontaine Neighbors 43
- Benton 43
- Bismarck 43
- Black Jack 43
- Cape Girardeau 43
- Castle Point 43
- Chaffee 43
- Desloge 43
- Elvins 43
- Esther 43
- Flat River 43
- Glasgow Village 43
- Ironton 43
- Jackson 43
- Moline Acres 43
- Oran 43
- Park Hills 43
- Poplar Bluff 43
- Scott City 43
- Spanish Lake 43
- West Alton 43
- Alton 42
- Bel-Nor 42
- Bel-Ridge 42
- Calverton Park 42
- Cool Valley 42
- Country Club Hills 42
- Crystal City 42
- Dellwood 42
- Ferguson 42
- Festus 42
- Florissant 42
- Hanley Hills 42
- Hillsdale 42
- Leadwood 42
- Lemay 42
- Maplewood 42
- Mehlville 42
- Normandy 42
- Northwoods 42
- Oakville 42
- Old Jamestown 42
- Pagedale 42
- Pine Lawn 42
- Richmond Heights 42
- Saint George 42
- Thayer 42
- University City 42
- Velda Village 42
- Velda Village Hills 42
- Wellston 42
- West Plains 42
- Berkeley 41
- Breckenridge Hills 41
- Brentwood 41
- Charlack 41
- Concord 41
- Doniphan 41
- Gainesville 41
- Green Park 41
- Hazelwood 41
- Herculaneum 41
- Imperial 41
- Kimberling City 41
- Lakeshire 41
- Marlborough 41
- Mountain View 41
- Overland 41
- Pevely 41
- Riverside 41
- Saint John 41
- Saint Johns 41
- Shell Knob 41
- Shrewsbury 41
- Stoutsville 41
- Terre du Lac 41
- Vinita Park 41
- Willow Springs 41
- Winona 41
- Woodson Terrace 41
- Barnhart 40
- Bridgeton 40
- Cabool 40
- Carl Junction 40
- Cassville 40
- Centerville 40
- Crestwood 40
- Creve Coeur 40
- Eminence 40
- Frontenac 40
- Glendale 40
- Hollister 40
- Joplin 40
- Kirkwood 40
- Ladue 40
- Oakland 40
- Rock Hill 40
- Sappington 40
- Sunset Hills 40
- Warson Woods 40
- Branson 39
- Carterville 39
- Crane 39
- Des Peres 39
- Duenweg 39
- Duquesne 39
- Forsyth 39
- Galena 39
- Houston 39
- Jasper 39
- Kissee Mills 39
- Lamar 39
- Merriam Woods 39
- Oronogo 39
- Seneca 39
- Webb City 39
- Aurora 38
- De Soto 38
- Elsberry 38
- Fenton 38
- Foley 38
- Licking 38
- Manchester 38
- Marionville 38
- Maryland Heights 38
- Moberly 38
- Monett 38
- Mountain Grove 38
- Nevada 38
- Purdy 38
- Saint Peters 38
- Salem 38
- Town and Country 38
- Winfield 38
- Ballwin 37
- Billings 37
- Bixby 37
- Clarkson Valley 37
- Clever 37
- Dardenne Prairie 37
- Eldospgs 37
- Ellisville 37
- Eureka 37
- Gerald 37
- Granby 37
- Hermann 37
- High Ridge 37
- Hillsboro 37
- Lake Saint Louis 37
- Marthasville 37
- Montgomery City 37
- Moscow Mills 37
- Murphy 37
- New Haven 37
- Nixa 37
- O'Fallon 37
- Ozark 37
- Pierce City 37
- Rich Hill 37
- Rolla 37
- Saint Charles 37
- Saint James 37
- Saint Paul 37
- Sarcoxie 37
- Sparta 37
- Troy 37
- Warrenton 37
- Washington 37
- Weldon Spring 37
- Wellsville 37
- Wildwood 37
- Winchester 37
- Wright City 37
- Adrian 36
- Anderson 36
- Archie 36
- Ava 36
- Bourbon 36
- Bowling Green 36
- Butler 36
- Byrnes Mill 36
- Cedar Hill 36
- Cuba 36
- Goodman 36
- Grandview 36
- Gray Summit 36
- LaBarque Creek 36
- Louisiana 36
- Mansfield 36
- Noel 36
- Owensville 36
- Pacific 36
- Peculiar 36
- Pineville 36
- Potosi 36
- Raymore 36
- Republic 36
- Saint Clair 36
- Steelville 36
- Sullivan 36
- Villa Ridge 36
- Appleton City 35
- Battlefield 35
- Fulton 35
- Garden City 35
- Hannibal 35
- Hartville 35
- Lake Winnebago 35
- Marshfield 35
- Mount Vernon 35
- Parkville 35
- Platte City 35
- Raytown 35
- Rogersville 35
- Seymour 35
- Strafford 35
- Vandalia 35
- Weatherby Lake 35
- Weston 35
- Belle 34
- Canton 34
- Claycomo 34
- Clinton 34
- Country Club Village 34
- Crocker 34
- Dixon 34
- East Independence 34
- Fort Leonard Wood 34
- Gladstone 34
- Gower 34
- Greenwood 34
- Holden 34
- Holts Summit 34
- Independence 34
- Lake Lotawana 34
- Lebanon 34
- Lee's Summit 34
- Linn 34
- Lone Jack 34
- Macon 34
- New Bloomfield 34
- New London 34
- North Kansas City 34
- Oregon 34
- Osceola 34
- Pleasant Hill 34
- Pleasant Valley 34
- Richland 34
- Saint Robert 34
- Smithville 34
- Stockton 34
- Sugar Creek 34
- Taos 34
- Trimble 34
- Vienna 34
- Wardsville 34
- Waynesville 34
- Albany 33
- Blue Springs 33
- Buckner 33
- Concordia 33
- Edina 33
- Eldon 33
- Excelsior Springs 33
- Fair Grove 33
- Grain Valley 33
- Greenfield 33
- Huntsville 33
- Jefferson City 33
- Kahoka 33
- Keytesville 33
- Knob Noster 33
- La Monte 33
- La Plata 33
- Lathrop 33
- Lawson 33
- Lexington 33
- Liberty 33
- Mexico 33
- Monticello 33
- Odessa 33
- Palmyra 33
- Plattsburg 33
- Richmond 33
- Saint Martins 33
- Salisbury 33
- Savannah 33
- Sedalia 33
- Shelbina 33
- Shelbyville 33
- Slater 33
- Tuscumbia 33
- Warrensburg 33
- Whiteman Air Force Base 33
- Windsor 33
- Ash Grove 32
- Boonville 32
- California 32
- Cameron 32
- Carrollton 32
- Fayette 32
- Gallatin 32
- Glasgow 32
- Hamilton 32
- Higginsville 32
- Humansville 32
- Kingston 32
- Kirksville 32
- Lake Ozark 32
- Lancaster 32
- Marceline 32
- Marshall 32
- Maysville 32
- Memphis 32
- Monroe City 32
- Mound City 32
- New Franklin 32
- Osage Beach 32
- Paris 32
- Sweet Springs 32
- Tipton 32
- Willard 32
- Ashland 31
- Brookfield 31
- Centralia 31
- Chillicothe 31
- Cole Camp 31
- Columbia 31
- Four Seasons 31
- Hallsville 31
- King City 31
- Lincoln 31
- Stover 31
- Trenton 31
- Versailles 31
- Bolivar 30
- Buffalo 30
- Linneus 30
- Maryville 30
- Milan 30
- Rock Port 30
- Stanberry 30
- Tarkio 30
- Warsaw 30
- Bethany 29
- Grant City 29
- Hermitage 29
- Princeton 29
- Riverview 29
- Terre Haute 29
- Unionville 29
- Kearney 27
- Springfield 22
- Clayton 21
- Union 20
- Wentzville 17
- Affton 16
- Arnold 16
- Cottleville 16
- Olivette 16
- Saint Ann 16
- Camdenton 15
- Chesterfield 14
- Van Buren 14
- St Louis 12
- Saint Louis 10
- Valley Park 7
- Jennings 6
- Webster Groves 5
- El Dorado Springs 0
Connect With IQAir
Sign up for our newsletter
AQI US, Metric