Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
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 |  Saint Joseph | 62 |
| 2 | Clayton | 60 |
| 3 | Saint Charles | 59 |
| 4 | Saint Ann | 58 |
| 5 | Saint Louis | 58 |
| 6 | Affton | 57 |
| 7 | St Louis | 57 |
| 8 | Arnold | 55 |
| 9 | Olivette | 54 |
| 10 | Jennings | 53 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
29 Contributors
See all
LIVE AQI CITY RANKING
Real-time Missouri
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Belton | 4 |
| 2 | Neosho | 4 |
| 3 | Oak Grove | 5 |
| 4 | Lee's Summit | 7 |
| 5 | Harrisonville | 11 |
| 6 | Kearney | 24 |
| 7 | Kansas City | 25 |
| 8 | Springfield | 26 |
| 9 | Carthage | 27 |
| 10 | El Dorado Springs | 27 |
(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.
Missouri air quality data attribution
29Contributors
- Missouri Department of Natural Resources
1 station
- USA National Park Service
1 station
2 Government Contributors
- 25 Anonymous contributors
25 stations
25 Anonymous Contributors
4 Data sources
Which is the most polluted city in Missouri?
- Edina 67
- Kahoka 67
- Kirksville 67
- La Plata 67
- Macon 67
- Marceline 67
- Monticello 67
- Ballwin 66
- Barnhart 66
- Bel-Nor 66
- Bel-Ridge 66
- Bellefontaine Neighbors 66
- Berkeley 66
- Bethany 66
- Black Jack 66
- Bonne Terre 66
- Breckenridge Hills 66
- Brentwood 66
- Bridgeton 66
- Brookfield 66
- Byrnes Mill 66
- Calverton Park 66
- Cameron 66
- Canton 66
- Castle Point 66
- Cedar Hill 66
- Charlack 66
- Chillicothe 66
- Clarkson Valley 66
- Concord 66
- Cool Valley 66
- Country Club Hills 66
- Country Club Village 66
- Crestwood 66
- Creve Coeur 66
- Crystal City 66
- Dardenne Prairie 66
- De Soto 66
- Dellwood 66
- Des Peres 66
- Desloge 66
- Ellisville 66
- Elvins 66
- Esther 66
- Eureka 66
- Farmington 66
- Fenton 66
- Ferguson 66
- Festus 66
- Flat River 66
- Florissant 66
- Frontenac 66
- Gallatin 66
- Glasgow Village 66
- Glendale 66
- Grant City 66
- Green Park 66
- Hamilton 66
- Hanley Hills 66
- Hazelwood 66
- Herculaneum 66
- High Ridge 66
- Hillsboro 66
- Hillsdale 66
- Imperial 66
- Keytesville 66
- King City 66
- Kingston 66
- Kirkwood 66
- LaBarque Creek 66
- Ladue 66
- Lakeshire 66
- Lancaster 66
- Lemay 66
- Linneus 66
- Manchester 66
- Maplewood 66
- Marlborough 66
- Maryland Heights 66
- Maryville 66
- Maysville 66
- Mehlville 66
- Memphis 66
- Milan 66
- Moline Acres 66
- Mound City 66
- Murphy 66
- Normandy 66
- Northwoods 66
- O'Fallon 66
- Oakland 66
- Oakville 66
- Old Jamestown 66
- Oregon 66
- Overland 66
- Pacific 66
- Pagedale 66
- Park Hills 66
- Pevely 66
- Pine Lawn 66
- Princeton 66
- Richmond Heights 66
- Riverside 66
- Rock Hill 66
- Rock Port 66
- Saint George 66
- Saint John 66
- Saint Johns 66
- Saint Peters 66
- Sainte Genevieve 66
- Salisbury 66
- Sappington 66
- Savannah 66
- Shelbina 66
- Shelbyville 66
- Shrewsbury 66
- Spanish Lake 66
- Stanberry 66
- Sunset Hills 66
- Tarkio 66
- Terre du Lac 66
- Terre Haute 66
- Town and Country 66
- Trenton 66
- Unionville 66
- University City 66
- Velda Village 66
- Velda Village Hills 66
- Vinita Park 66
- Warson Woods 66
- Weldon Spring 66
- Wellston 66
- West Alton 66
- Wildwood 66
- Winchester 66
- Woodson Terrace 66
- Bismarck 65
- Carrollton 65
- Foley 65
- Fredericktown 65
- Gower 65
- Gray Summit 65
- Huntsville 65
- Ironton 65
- Lake Saint Louis 65
- Lathrop 65
- Lawson 65
- Leadwood 65
- Monroe City 65
- Palmyra 65
- Plattsburg 65
- Potosi 65
- Saint Clair 65
- Saint Paul 65
- Trimble 65
- Villa Ridge 65
- Wentzville 65
- Winfield 65
- Advance 64
- Albany 64
- Buckner 64
- Elsberry 64
- Excelsior Springs 64
- Glasgow 64
- Greenville 64
- Hannibal 64
- Higginsville 64
- Jackson 64
- Lexington 64
- Liberty 64
- Marble Hill 64
- Marshall 64
- Marthasville 64
- Moscow Mills 64
- Paris 64
- Perryville 64
- Piedmont 64
- Platte City 64
- Richmond 64
- Slater 64
- Smithville 64
- Sullivan 64
- Troy 64
- Warrenton 64
- Washington 64
- Weston 64
- Wright City 64
- Benton 63
- Bernie 63
- Bixby 63
- Bloomfield 63
- Blue Springs 63
- Bourbon 63
- Bowling Green 63
- Campbell 63
- Cape Girardeau 63
- Centerville 63
- Centralia 63
- Chaffee 63
- Clarkton 63
- Claycomo 63
- Concordia 63
- Dexter 63
- East Independence 63
- Fayette 63
- Gerald 63
- Gideon 63
- Gladstone 63
- Grain Valley 63
- Hallsville 63
- Hayti 63
- Hermann 63
- Independence 63
- Kennett 63
- Lake Lotawana 63
- Lilbourn 63
- Louisiana 63
- Malden 63
- Mexico 63
- Montgomery City 63
- New Haven 63
- New London 63
- New Madrid 63
- North Kansas City 63
- Odessa 63
- Oran 63
- Parkville 63
- Pleasant Valley 63
- Poplar Bluff 63
- Portageville 63
- Raytown 63
- Scott City 63
- Senath 63
- Sikeston 63
- Steele 63
- Sugar Creek 63
- Sweet Springs 63
- Vandalia 63
- Weatherby Lake 63
- Wellsville 63
- Boonville 62
- Caruthersville 62
- Charleston 62
- Columbia 62
- Cuba 62
- Doniphan 62
- East Prairie 62
- Fulton 62
- Grandview 62
- Greenwood 62
- Lake Winnebago 62
- Lone Jack 62
- New Franklin 62
- Owensville 62
- Saint Joseph 62
- Steelville 62
- Ashland 61
- Belle 61
- Holden 61
- Holts Summit 61
- Jefferson City 61
- Knob Noster 61
- La Monte 61
- Linn 61
- New Bloomfield 61
- Peculiar 61
- Pleasant Hill 61
- Raymore 61
- Rolla 61
- Saint James 61
- Saint Martins 61
- Salem 61
- Taos 61
- Vienna 61
- Warrensburg 61
- Whiteman Air Force Base 61
- Winona 61
- Alton 60
- Archie 60
- California 60
- Clayton 60
- Dixon 60
- Eminence 60
- Garden City 60
- Licking 60
- Mountain View 60
- Noel 60
- Sedalia 60
- Thayer 60
- Tipton 60
- Wardsville 60
- Adrian 59
- Anderson 59
- Branson 59
- Cabool 59
- Cassville 59
- Crane 59
- Crocker 59
- Eldon 59
- Fort Leonard Wood 59
- Galena 59
- Hollister 59
- Houston 59
- Kimberling City 59
- Lake Ozark 59
- Mountain Grove 59
- Pineville 59
- Purdy 59
- Richland 59
- Saint Charles 59
- Saint Robert 59
- Shell Knob 59
- Tuscumbia 59
- Versailles 59
- Waynesville 59
- West Plains 59
- Willow Springs 59
- Windsor 59
- Aurora 58
- Ava 58
- Battlefield 58
- Billings 58
- Butler 58
- Clever 58
- Clinton 58
- Cole Camp 58
- Forsyth 58
- Four Seasons 58
- Gainesville 58
- Goodman 58
- Hartville 58
- Kissee Mills 58
- Lebanon 58
- Lincoln 58
- Mansfield 58
- Marionville 58
- Marshfield 58
- Merriam Woods 58
- Monett 58
- Nixa 58
- Osage Beach 58
- Ozark 58
- Pierce City 58
- Republic 58
- Riverview 58
- Rogersville 58
- Saint Ann 58
- Saint Louis 58
- Seymour 58
- Sparta 58
- Stover 58
- Strafford 58
- Affton 57
- Appleton City 57
- Ash Grove 57
- Bolivar 57
- Buffalo 57
- Fair Grove 57
- Granby 57
- Greenfield 57
- Hermitage 57
- Humansville 57
- Mount Vernon 57
- Nevada 57
- Osceola 57
- Rich Hill 57
- Sarcoxie 57
- St Louis 57
- Warsaw 57
- Willard 57
- Carl Junction 56
- Carterville 56
- Duenweg 56
- Duquesne 56
- Eldospgs 56
- Jasper 56
- Joplin 56
- Lamar 56
- Oronogo 56
- Seneca 56
- Stockton 56
- Webb City 56
- Arnold 55
- Olivette 54
- Jennings 53
- Chesterfield 51
- Valley Park 51
- Webster Groves 51
- Union 49
- Stoutsville 44
- Cottleville 42
- Moberly 33
- Carthage 27
- El Dorado Springs 27
- Springfield 26
- Kansas City 25
- Kearney 24
- Van Buren 21
- Harrisonville 11
- Lee's Summit 7
- Oak Grove 5
- Belton 4
- Neosho 4
- Camdenton 2
AQI US, Metric