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Air quality in Illinois
Air quality index (AQI) and PM2.5 air pollution in Illinois
LIVE AQI CITY RANKING
Real-time Illinois
Most polluted city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Springfield | 27 |
| 2 | Centralia | 26 |
| 3 | Lisle | 26 |
| 4 | Machesney Park | 25 |
| 5 | McCook | 25 |
| 6 | Alsip | 22 |
| 7 | Mahomet | 21 |
| 8 | Lemont | 20 |
| 9 | River Forest | 19 |
| 10 | Evanston | 18 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
113 Contributors
See all
LIVE AQI CITY RANKING
Real-time Illinois
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Homewood | 4 |
| 2 | Manteno | 4 |
| 3 | Wilmette | 4 |
| 4 | Crainville | 5 |
| 5 | Cary | 7 |
| 6 | Loves Park | 7 |
| 7 | Danvers | 9 |
| 8 | Normal | 9 |
| 9 | Decatur | 10 |
| 10 | Des Plaines | 10 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
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Unhealthy for sensitive groups
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The latest air quality news and resources.
Illinois air quality data attribution
113Contributors
Government Contributor
- American Plantes LLC
1 station
- AT
1 station
- Grovedrv57
1 station
- DB
1 station
Bucktown air1 station
- Robert Moresco
2 stations
- Tim Holm
1 station
- Avraham Mor
1 station
- James meyer
1 station
- Dave hansen
1 station
- h. Seeger
1 station
11 Individual Contributors
- 100 Anonymous contributors
100 stations
100 Anonymous Contributors
Which is the most polluted city in Illinois?
- Upper Alton 30
- West Union 30
- Carlinville 29
- Effingham 29
- Maryville 29
- Thomasboro 29
- Winthrop Harbor 29
- Stockton 28
- Quincy 27
- Springfield 27
- Centralia 26
- Lisle 26
- Peoria Heights 26
- Elgin 25
- Machesney Park 25
- McCook 25
- Alsip 22
- Mahomet 21
- Lemont 20
- Aledo 19
- Andalusia 19
- Carbon Cliff 19
- Carthage 19
- Coal Valley 19
- Colchester 19
- Colona 19
- East Dubuque 19
- East Moline 19
- Green Rock 19
- Hamilton 19
- Hampton 19
- La Harpe 19
- Macomb 19
- Monmouth 19
- Mount Carmel 19
- Nauvoo 19
- Oquawka 19
- Orion 19
- River Forest 19
- Rock Island 19
- Silvis 19
- Warsaw 19
- Abingdon 18
- Astoria 18
- Barry 18
- Beardstown 18
- Bushnell 18
- Cambridge 18
- Camp Point 18
- Canton 18
- Cuba 18
- Elmwood 18
- Erie 18
- Evanston 18
- Farmington 18
- Fulton 18
- Galena 18
- Galesburg 18
- Galva 18
- Geneseo 18
- Glasford 18
- Griggsville 18
- Hanna City 18
- Havana 18
- Jacksonville 18
- Kewanee 18
- Knoxville 18
- Lake Camelot 18
- Lawrenceville 18
- Lewistown 18
- Meredosia 18
- Morrison 18
- Mount Sterling 18
- Palestine 18
- Payson 18
- Pittsfield 18
- Port Byron 18
- Princeville 18
- Prophetstown 18
- Rushville 18
- Savanna 18
- The Galena Territory 18
- Toulon 18
- Virginia 18
- Washington Park 18
- Winchester 18
- Wyoming 18
- Albion 17
- Ashland 17
- Aurora 17
- Bartonville 17
- Carmi 17
- Chicago 17
- Creve Coeur 17
- Dunlap 17
- East Peoria 17
- Grayville 17
- Hartford 17
- Lanark 17
- Manito 17
- Marquette Heights 17
- Mason City 17
- Mount Carroll 17
- North Pekin 17
- North Peoria 17
- Oak Park 17
- Oblong 17
- Olney 17
- Pekin 17
- Petersburg 17
- Robinson 17
- Rock Falls 17
- Roodhouse 17
- Round Lake Heights 17
- South Jacksonville 17
- South Pekin 17
- Sterling 17
- Sumner 17
- Walnut 17
- West Peoria 17
- White Hall 17
- Woodstock 17
- Addison 16
- Alton 16
- Amboy 16
- Ashburn 16
- Athens 16
- Atlanta 16
- Auburn 16
- Bartlett 16
- Batavia 16
- Bellwood 16
- Benld 16
- Bensenville 16
- Berkeley 16
- Berwyn 16
- Bethalto 16
- Big Rock 16
- Bloomingdale 16
- Bloomington 16
- Bolingbrook 16
- Boulder Hill 16
- Braidwood 16
- Bridgeview 16
- Brighton 16
- Broadview 16
- Brookfield 16
- Bunker Hill 16
- Burbank 16
- Burr Ridge 16
- Byron 16
- Carol Stream 16
- Carrollton 16
- Caseyville 16
- Channahon 16
- Charleston 16
- Chenoa 16
- Chicago Ridge 16
- Chillicothe 16
- Clarendon Hills 16
- Clinton 16
- Collinsville 16
- Country Club Hills 16
- Countryside 16
- Crest Hill 16
- Crestwood 16
- Crystal Lawns 16
- Darien 16
- Deer Park 16
- Delavan 16
- Depue 16
- Diamond 16
- Divernon 16
- Dixon 16
- Downers Grove 16
- Dwight 16
- Earlville 16
- East Alton 16
- East Saint Louis 16
- Edinburg 16
- Edwardsville 16
- El Paso 16
- Elburn 16
- Eldorado 16
- Elizabethtown 16
- Elk Grove Village 16
- Elmhurst 16
- Elwood 16
- Eureka 16
- Evergreen Park 16
- Fairfield 16
- Fairmont 16
- Fairmont City 16
- Flanagan 16
- Flora 16
- Forest Park 16
- Forreston 16
- Frankfort 16
- Frankfort Square 16
- Franklin Park 16
- Freeport 16
- Gardner 16
- Geneva 16
- Germantown Hills 16
- Gillespie 16
- Girard 16
- Glen Carbon 16
- Glen Ellyn 16
- Glendale Heights 16
- Godfrey 16
- Goodings Grove 16
- Grandview 16
- Granville 16
- Greenfield 16
- Gridley 16
- Hanover Park 16
- Hardin 16
- Harristown 16
- Hazel Crest 16
- Hennepin 16
- Henry 16
- Heritage Lake 16
- Herscher 16
- Heyworth 16
- Hickory Hills 16
- Hillsboro 16
- Hillside 16
- Hinckley 16
- Hinsdale 16
- Hodgkins 16
- Hoffman Estates 16
- Holiday Shores 16
- Homer Glen 16
- Hometown 16
- Hudson 16
- Indian Head Park 16
- Ingalls Park 16
- Itasca 16
- Jerome 16
- Justice 16
- Kincaid 16
- La Grange Park 16
- Lacon 16
- Ladd 16
- Lake Holiday 16
- Lakewood Shores 16
- Leland Grove 16
- Lena 16
- Lily Lake 16
- Lincoln 16
- Litchfield 16
- Lockport 16
- Lombard 16
- Louisville 16
- Mackinaw 16
- Madison 16
- Manhattan 16
- Markham 16
- Maroa 16
- Marseilles 16
- Marshall 16
- Matteson 16
- Maywood 16
- McLeansboro 16
- Melrose Park 16
- Mendota 16
- Merrionette Park 16
- Metamora 16
- Midlothian 16
- Minier 16
- Minonk 16
- Minooka 16
- Mitchell 16
- Mokena 16
- Montgomery 16
- Morris 16
- Morrisonville 16
- Morton 16
- Mount Greenwood 16
- Mount Morris 16
- Mount Olive 16
- Mount Pulaski 16
- New Lenox 16
- Newton 16
- Norris City 16
- North Aurora 16
- North Riverside 16
- Northlake 16
- Oak Brook 16
- Oak Forest 16
- Oak Lawn 16
- Oakbrook Terrace 16
- Oglesby 16
- Oregon 16
- Orland Hills 16
- Oswego 16
- Ottawa 16
- Palos Heights 16
- Palos Hills 16
- Palos Park 16
- Pawnee 16
- Pecatonica 16
- Peru 16
- Plainfield 16
- Plano 16
- Polo 16
- Pontoon Beach 16
- Prestbury 16
- Preston Heights 16
- Princeton 16
- River Grove 16
- Riverside 16
- Riverton 16
- Roanoke 16
- Robbins 16
- Rochelle 16
- Rochester 16
- Rockdale 16
- Rome 16
- Romeoville 16
- Roselle 16
- Rosewood Heights 16
- Rosiclare 16
- Roxana 16
- Sandwich 16
- Schaumburg 16
- Seneca 16
- Shawneetown 16
- Sheridan 16
- Sherman 16
- Somonauk 16
- South Barrington 16
- South Elgin 16
- South Roxana 16
- Southern View 16
- Spring Valley 16
- Staunton 16
- Stickney 16
- Stone Park 16
- Streator 16
- Sugar Grove 16
- Summit 16
- Taylorville 16
- Tinley Park 16
- Toluca 16
- Tremont 16
- Twin Grove 16
- Villa Park 16
- Village of Campton Hills 16
- Virden 16
- Warren 16
- Warrensburg 16
- Warrenville 16
- Wasco 16
- Washburn 16
- Washington 16
- Waterman 16
- Waverly 16
- Wayne 16
- Wayne City 16
- West Chicago 16
- West Elsdon 16
- West Lawn 16
- Westchester 16
- Western Springs 16
- Westmont 16
- Williamsville 16
- Willow Springs 16
- Winfield 16
- Wood Dale 16
- Woodridge 16
- Worden 16
- Worth 16
- Yorkville 16
- Albany Park 15
- Albers 15
- Algonquin 15
- Alorton 15
- Altamont 15
- Arcola 15
- Arlington Heights 15
- Arthur 15
- Assumption 15
- Atwood 15
- Auburn Gresham 15
- Aviston 15
- Avondale 15
- Bannockburn 15
- Barrington 15
- Barrington Hills 15
- Beckemeyer 15
- Beecher 15
- Belleville 15
- Belmont Cragin 15
- Belvidere 15
- Bement 15
- Benton 15
- Bethany 15
- Blue Island 15
- Blue Mound 15
- Bourbonnais 15
- Bradley 15
- Breese 15
- Bridgeport 15
- Brighton Park 15
- Buffalo Grove 15
- Bull Valley 15
- Burnham 15
- Cahokia 15
- Calumet City 15
- Calumet Park 15
- Capron 15
- Carlyle 15
- Carpentersville 15
- Carrier Mills 15
- Casey 15
- Catlin 15
- Central City 15
- Centreville 15
- Cerro Gordo 15
- Chatham 15
- Chatsworth 15
- Chebanse 15
- Cherry Valley 15
- Chester 15
- Chicago Heights 15
- Chicago Lawn 15
- Chicago Loop 15
- Chrisman 15
- Christopher 15
- Cicero 15
- Clifton 15
- Cobden 15
- Colfax 15
- Columbia 15
- Cortland 15
- Crete 15
- Crystal Lake 15
- Danville 15
- Davis Junction 15
- Deerfield 15
- Dixmoor 15
- Dolton 15
- Douglas 15
- Du Quoin 15
- Dupo 15
- East Dundee 15
- East Garfield Park 15
- East Hazel Crest 15
- Edgewater 15
- Elmwood Park 15
- Englewood 15
- Fairbury 15
- Fairview Heights 15
- Farmer City 15
- Fisher 15
- Flossmoor 15
- Ford Heights 15
- Forest Lake 15
- Forrest 15
- Forsyth 15
- Fox Lake 15
- Fox Lake Hills 15
- Fox River Grove 15
- Freeburg 15
- Gage Park 15
- Gages Lake 15
- Genoa 15
- Georgetown 15
- Germantown 15
- Gibson City 15
- Gifford 15
- Gilberts 15
- Gilman 15
- Glencoe 15
- Glenview 15
- Glenwood 15
- Golconda 15
- Grand Boulevard 15
- Grandwood Park 15
- Grant Park 15
- Greater Grand Crossing 15
- Green Oaks 15
- Greenup 15
- Greenville 15
- Gurnee 15
- Hainesville 15
- Hampshire 15
- Harrisburg 15
- Harvard 15
- Harvey 15
- Harwood Heights 15
- Hawthorn Woods 15
- Highland Park 15
- Highwood 15
- Hillcrest 15
- Hoopeston 15
- Huntley 15
- Hyde Park 15
- Ina 15
- Inverness 15
- Irving Park 15
- Island Lake 15
- Johnsburg 15
- Johnston City 15
- Kankakee 15
- Kenilworth 15
- Kenwood 15
- Kildeer 15
- Kingston 15
- Kirkland 15
- Knollwood 15
- Lake Barrington 15
- Lake Bluff 15
- Lake in the Hills 15
- Lake of the Woods 15
- Lake Summerset 15
- Lake Zurich 15
- Lakemoor 15
- Lakewood 15
- Le Roy 15
- Lexington 15
- Limestone 15
- Lincoln Park 15
- Lincoln Square 15
- Lincolnshire 15
- Lincolnwood 15
- Lindenhurst 15
- Logan Square 15
- Long Creek 15
- Long Grove 15
- Long Lake 15
- Lovington 15
- Lower West Side 15
- Lynwood 15
- Macon 15
- Malta 15
- Maple Park 15
- Marissa 15
- Martinsville 15
- Mascoutah 15
- Mattoon 15
- McCullom Lake 15
- McKinley Park 15
- Metropolis 15
- Milford 15
- Millstadt 15
- Momence 15
- Monee 15
- Monticello 15
- Morgan Park 15
- Morton Grove 15
- Mount Prospect 15
- Mount Vernon 15
- Mount Zion 15
- Moweaqua 15
- Mundelein 15
- Nashville 15
- Near North Side 15
- Near South Side 15
- Neoga 15
- New Athens 15
- New Baden 15
- New City 15
- Niles 15
- Nokomis 15
- Norridge 15
- North Barrington 15
- North Center 15
- North Chicago 15
- North Lawndale 15
- Northfield 15
- O'Fallon 15
- Oakwood 15
- Oakwood Hills 15
- Odin 15
- Okawville 15
- Olympia Fields 15
- Onarga 15
- Pana 15
- Paris 15
- Park Forest 15
- Park Ridge 15
- Paxton 15
- Philo 15
- Phoenix 15
- Pinckneyville 15
- Pingree Grove 15
- Pistakee Highlands 15
- Pocahontas 15
- Pontiac 15
- Poplar Grove 15
- Port Barrington 15
- Portage Park 15
- Posen 15
- Prairie Grove 15
- Prospect Heights 15
- Ramsey 15
- Rantoul 15
- Red Bud 15
- Richton Park 15
- Riverdale 15
- Riverwoods 15
- Rockton 15
- Rogers Park 15
- Rolling Meadows 15
- Roscoe 15
- Rosemont 15
- Rossville 15
- Round Lake 15
- Round Lake Beach 15
- Round Lake Park 15
- Saint Anne 15
- Saint Elmo 15
- Saint Jacob 15
- Saint Joseph 15
- Salem 15
- Sandoval 15
- Sauk Village 15
- Scott Air Force Base 15
- Sesser 15
- Shelbyville 15
- Sheldon 15
- Shiloh 15
- Sidney 15
- Sleepy Hollow 15
- Smithton 15
- South Beloit 15
- South Chicago 15
- South Chicago Heights 15
- South Holland 15
- South Lawndale 15
- South Shore 15
- Steeleville 15
- Steger 15
- Stillman Valley 15
- Streamwood 15
- Sullivan 15
- Swansea 15
- Sycamore 15
- Teutopolis 15
- Third Lake 15
- Thornton 15
- Tilton 15
- Toledo 15
- Tolono 15
- Tower Lake 15
- Trenton 15
- Troy 15
- Tuscola 15
- University Park 15
- Uptown 15
- Valmeyer 15
- Vandalia 15
- Venetian Village 15
- Vernon Hills 15
- Villa Grove 15
- Volo 15
- Wamac 15
- Waterloo 15
- Watseka 15
- Wauconda 15
- Waukegan 15
- West Dundee 15
- West Englewood 15
- West Frankfort 15
- West Garfield Park 15
- West Town 15
- Westville 15
- Wheaton 15
- Wheeling 15
- Willowbrook 15
- Windsor 15
- Winnebago 15
- Winnetka 15
- Wonder Lake 15
- Woodlawn 15
- Antioch 14
- Beach Park 14
- Cambria 14
- Carbondale 14
- Carterville 14
- Champaign 14
- Channel Lake 14
- De Soto 14
- Energy 14
- Goreville 14
- Hebron 14
- Herrin 14
- Lake Catherine 14
- Lake Forest 14
- Lake Villa 14
- Marion 14
- Murphysboro 14
- Richmond 14
- Royalton 14
- Skokie 14
- Spring Grove 14
- Vienna 14
- Wadsworth 14
- Zeigler 14
- Zion 14
- Anna 13
- Cairo 13
- Durand 13
- Granite City 13
- Grayslake 13
- Homer 13
- Jonesboro 13
- La Grange 13
- Lansing 13
- Lyons 13
- McHenry 13
- Milan 13
- Mound City 13
- Naperville 13
- Orland Park 13
- Saint Charles 13
- Savoy 13
- Schiller Park 13
- Urbana 13
- Venice 13
- Coal City 12
- Jerseyville 12
- Joliet 12
- Moline 12
- Rockford 12
- Shorewood 12
- Bellevue 11
- DeKalb 11
- Highland 11
- Lebanon 11
- Libertyville 11
- New Berlin 11
- Peoria 11
- Peotone 11
- Sparta 11
- Wood River 11
- Decatur 10
- Des Plaines 10
- La Salle 10
- Northbrook 10
- Palatine 10
- Park City 10
- Union Hill 10
- West Ridge 10
- Wilmington 10
- Danvers 9
- Normal 9
- Cary 7
- Loves Park 7
- Crainville 5
- Marengo 5
- Homewood 4
- Manteno 4
- Wilmette 4
- Newark 3
AQI US, Metric