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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 | Cicero | 66 |
| 2 | Alsip | 65 |
| 3 | Union Hill | 65 |
| 4 | Oak Park | 63 |
| 5 | River Forest | 61 |
| 6 | Centralia | 59 |
| 7 | Lyons | 59 |
| 8 | Aurora | 52 |
| 9 | Chicago | 52 |
| 10 | La Grange | 52 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
114 Contributors
See all
LIVE AQI CITY RANKING
Real-time Illinois
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Elk Grove Village | 7 |
| 2 | Lake Forest | 10 |
| 3 | Marengo | 12 |
| 4 | Durand | 16 |
| 5 | Park City | 19 |
| 6 | Northbrook | 21 |
| 7 | Cary | 22 |
| 8 | Milan | 22 |
| 9 | Lindenhurst | 23 |
| 10 | Moline | 23 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
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Moderate
Unhealthy for sensitive groups
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The latest air quality news and resources.
Illinois air quality data attribution
114Contributors
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
- 101 Anonymous contributors
101 stations
101 Anonymous Contributors
Which is the most polluted city in Illinois?
- Cicero 66
- Alsip 65
- Union Hill 65
- Oak Park 63
- River Forest 61
- Centralia 59
- Lyons 59
- Aurora 52
- Chicago 52
- La Grange 52
- McHenry 52
- Naperville 52
- Palatine 52
- Shorewood 50
- Washington Park 50
- Lemont 46
- East Saint Louis 45
- Wilmette 45
- Joliet 44
- McCook 44
- Newark 44
- Venice 44
- Wheaton 44
- Coal City 43
- Decatur 43
- Skokie 43
- Willowbrook 43
- Schiller Park 42
- New Berlin 41
- Saint Charles 41
- Springfield 41
- Homer 40
- Evanston 39
- DeKalb 38
- Streamwood 38
- Charleston 37
- Cobden 37
- Manteno 37
- Orland Park 37
- Lisle 36
- Mahomet 36
- Peoria 36
- Savoy 36
- Urbana 36
- Champaign 35
- Granite City 34
- Lansing 34
- Wood River 34
- Big Rock 33
- Cortland 33
- Hinckley 33
- Homewood 33
- La Salle 33
- Maple Park 33
- Waterman 33
- West Ridge 33
- Batavia 32
- Boulder Hill 32
- Carol Stream 32
- Elburn 32
- Geneva 32
- Glen Ellyn 32
- Hillcrest 32
- Lily Lake 32
- Malta 32
- Montgomery 32
- North Aurora 32
- Oswego 32
- Plano 32
- Prestbury 32
- Rochelle 32
- Sugar Grove 32
- Sycamore 32
- Village of Campton Hills 32
- Warrenville 32
- Wasco 32
- West Chicago 32
- Winfield 32
- Bolingbrook 31
- Clarendon Hills 31
- Darien 31
- Downers Grove 31
- Glendale Heights 31
- Hartford 31
- Hinsdale 31
- Jerseyville 31
- Lake Holiday 31
- Lombard 31
- Loves Park 31
- Oakbrook Terrace 31
- Plainfield 31
- Sandwich 31
- Somonauk 31
- Villa Park 31
- Wayne 31
- Westmont 31
- Wilmington 31
- Woodridge 31
- Yorkville 31
- Addison 30
- Bartlett 30
- Bellevue 30
- Bellwood 30
- Berkeley 30
- Bloomingdale 30
- Burr Ridge 30
- Countryside 30
- Davis Junction 30
- Dixon 30
- Elmhurst 30
- Highland 30
- Hillside 30
- Indian Head Park 30
- Lebanon 30
- Oak Brook 30
- Oregon 30
- Romeoville 30
- Roselle 30
- South Elgin 30
- Stillman Valley 30
- Westchester 30
- Western Springs 30
- Amboy 29
- Broadview 29
- Brookfield 29
- Byron 29
- Carthage 29
- Crystal Lawns 29
- Earlville 29
- Elgin 29
- Fulton 29
- Genoa 29
- Grayslake 29
- Hamilton 29
- Hanover Park 29
- Hodgkins 29
- Justice 29
- Kingston 29
- Kirkland 29
- La Grange Park 29
- Machesney Park 29
- Maywood 29
- McLeansboro 29
- Melrose Park 29
- Mount Morris 29
- Nauvoo 29
- North Riverside 29
- Northlake 29
- Pingree Grove 29
- Polo 29
- Quincy 29
- Riverside 29
- Rock Falls 29
- Savanna 29
- Sheridan 29
- Sterling 29
- Stone Park 29
- Warsaw 29
- Willow Springs 29
- Wood Dale 29
- Woodstock 29
- Andalusia 28
- Bensenville 28
- Berwyn 28
- Bridgeview 28
- Burbank 28
- Crest Hill 28
- Danvers 28
- Erie 28
- Forest Park 28
- Forreston 28
- Franklin Park 28
- Goodings Grove 28
- Hampshire 28
- Hampton 28
- Hickory Hills 28
- Homer Glen 28
- Itasca 28
- Lanark 28
- Lockport 28
- Marseilles 28
- Mendota 28
- Morrison 28
- Mount Carroll 28
- Normal 28
- Ottawa 28
- Palos Hills 28
- Peotone 28
- Port Byron 28
- Prophetstown 28
- River Grove 28
- Rock Island 28
- Stickney 28
- Stockton 28
- Summit 28
- Aledo 27
- Barry 27
- Camp Point 27
- Carbon Cliff 27
- Carrollton 27
- Chenoa 27
- Chicago Ridge 27
- Coal Valley 27
- Colchester 27
- Colfax 27
- Colona 27
- Deer Park 27
- Depue 27
- East Dundee 27
- East Moline 27
- Elmwood Park 27
- Fairbury 27
- Fairmont 27
- Flanagan 27
- Forrest 27
- Gilberts 27
- Granville 27
- Green Rock 27
- Greenfield 27
- Gridley 27
- Griggsville 27
- Hardin 27
- Hoffman Estates 27
- Hometown 27
- La Harpe 27
- Ladd 27
- Lexington 27
- Minonk 27
- Minooka 27
- Morris 27
- Mount Sterling 27
- Oak Lawn 27
- Oglesby 27
- Oquawka 27
- Palos Heights 27
- Palos Park 27
- Payson 27
- Peru 27
- Pittsfield 27
- Pontiac 27
- Rockdale 27
- Roodhouse 27
- Schaumburg 27
- Seneca 27
- Silvis 27
- Sleepy Hollow 27
- South Lawndale 27
- Sparta 27
- Spring Valley 27
- Streator 27
- Toluca 27
- Walnut 27
- West Dundee 27
- White Hall 27
- Winchester 27
- Worth 27
- Alton 26
- Arcola 26
- Arthur 26
- Ashburn 26
- Atwood 26
- Beardstown 26
- Bement 26
- Bethalto 26
- Brighton 26
- Brighton Park 26
- Carpentersville 26
- Channahon 26
- Chatsworth 26
- Chicago Lawn 26
- Dwight 26
- East Alton 26
- East Dubuque 26
- El Paso 26
- Farmer City 26
- Fisher 26
- Gage Park 26
- Geneseo 26
- Gibson City 26
- Godfrey 26
- Hennepin 26
- Henry 26
- Hudson 26
- Ingalls Park 26
- Jacksonville 26
- Lake of the Woods 26
- Le Roy 26
- Macomb 26
- Madison 26
- Mattoon 26
- Meredosia 26
- Mitchell 26
- Monmouth 26
- Monticello 26
- North Lawndale 26
- Orion 26
- Paxton 26
- Philo 26
- Pontoon Beach 26
- Preston Heights 26
- Princeton 26
- Rantoul 26
- Roanoke 26
- Rockford 26
- Rosewood Heights 26
- Roxana 26
- Rushville 26
- Shelbyville 26
- South Jacksonville 26
- South Roxana 26
- Thomasboro 26
- Tolono 26
- Tuscola 26
- Upper Alton 26
- Villa Grove 26
- Washburn 26
- West Elsdon 26
- West Garfield Park 26
- West Lawn 26
- Windsor 26
- Abingdon 25
- Algonquin 25
- Alorton 25
- Altamont 25
- Belmont Cragin 25
- Benld 25
- Bethany 25
- Bloomington 25
- Braidwood 25
- Bunker Hill 25
- Bushnell 25
- Cahokia 25
- Cambridge 25
- Carlinville 25
- Casey 25
- Caseyville 25
- Centreville 25
- Cerro Gordo 25
- Cherry Valley 25
- Chrisman 25
- Collinsville 25
- Crestwood 25
- Diamond 25
- East Garfield Park 25
- Edwardsville 25
- Effingham 25
- Elwood 25
- Eureka 25
- Evergreen Park 25
- Fairmont City 25
- Gardner 25
- Gifford 25
- Gillespie 25
- Gilman 25
- Girard 25
- Glen Carbon 25
- Greenup 25
- Greenville 25
- Harwood Heights 25
- Heyworth 25
- Hillsboro 25
- Holiday Shores 25
- Huntley 25
- Lacon 25
- Lakewood Shores 25
- Litchfield 25
- Long Creek 25
- Lovington 25
- Lower West Side 25
- Maryville 25
- McKinley Park 25
- Merrionette Park 25
- Milford 25
- Morrisonville 25
- Mount Greenwood 25
- Mount Olive 25
- Neoga 25
- New Lenox 25
- Nokomis 25
- Norridge 25
- Oakwood 25
- Odin 25
- Onarga 25
- Orland Hills 25
- Pana 25
- Paris 25
- Ramsey 25
- Rosemont 25
- Saint Elmo 25
- Saint Joseph 25
- Sandoval 25
- Sidney 25
- South Barrington 25
- Staunton 25
- Sullivan 25
- Teutopolis 25
- Toledo 25
- Twin Grove 25
- Vandalia 25
- Virden 25
- Virginia 25
- Waverly 25
- Winthrop Harbor 25
- Worden 25
- Albers 24
- Ashland 24
- Assumption 24
- Astoria 24
- Auburn 24
- Auburn Gresham 24
- Aviston 24
- Beckemeyer 24
- Belleville 24
- Belvidere 24
- Blue Island 24
- Blue Mound 24
- Breese 24
- Bridgeport 24
- Carlyle 24
- Catlin 24
- Central City 24
- Chebanse 24
- Chillicothe 24
- Clifton 24
- Clinton 24
- Columbia 24
- Danville 24
- Des Plaines 24
- Divernon 24
- Dupo 24
- Edinburg 24
- Englewood 24
- Fairview Heights 24
- Flora 24
- Forsyth 24
- Frankfort 24
- Freeburg 24
- Galena 24
- Galesburg 24
- Galva 24
- Georgetown 24
- Germantown 24
- Harristown 24
- Herscher 24
- Hoopeston 24
- Inverness 24
- Jerome 24
- Kankakee 24
- Kewanee 24
- Kincaid 24
- Knoxville 24
- Lake in the Hills 24
- Leland Grove 24
- Libertyville 24
- Limestone 24
- Louisville 24
- Macon 24
- Manhattan 24
- Maroa 24
- Marshall 24
- Martinsville 24
- Mascoutah 24
- Metamora 24
- Midlothian 24
- Millstadt 24
- Mokena 24
- Morgan Park 24
- Mount Zion 24
- Moweaqua 24
- New Baden 24
- New City 24
- Newton 24
- O'Fallon 24
- Oak Forest 24
- Okawville 24
- Pawnee 24
- Pocahontas 24
- Robbins 24
- Rochester 24
- Rolling Meadows 24
- Rossville 24
- Round Lake Heights 24
- Saint Anne 24
- Saint Jacob 24
- Salem 24
- Scott Air Force Base 24
- Sheldon 24
- Shiloh 24
- Smithton 24
- Southern View 24
- Swansea 24
- Taylorville 24
- Tilton 24
- Tinley Park 24
- Trenton 24
- Troy 24
- Wamac 24
- Watseka 24
- West Englewood 24
- West Town 24
- Westville 24
- Winnebago 24
- Anna 23
- Arlington Heights 23
- Athens 23
- Atlanta 23
- Avondale 23
- Barrington Hills 23
- Benton 23
- Bourbonnais 23
- Bradley 23
- Calumet Park 23
- Cambria 23
- Carbondale 23
- Carterville 23
- Chatham 23
- Chester 23
- Christopher 23
- Country Club Hills 23
- Cuba 23
- De Soto 23
- Dixmoor 23
- Du Quoin 23
- Energy 23
- Frankfort Square 23
- Germantown Hills 23
- Grand Boulevard 23
- Grandview 23
- Greater Grand Crossing 23
- Havana 23
- Hazel Crest 23
- Heritage Lake 23
- Herrin 23
- Ina 23
- Irving Park 23
- Johnston City 23
- Jonesboro 23
- Lewistown 23
- Lincoln 23
- Lindenhurst 23
- Logan Square 23
- Mackinaw 23
- Marion 23
- Marissa 23
- Markham 23
- Minier 23
- Moline 23
- Momence 23
- Mount Prospect 23
- Mount Pulaski 23
- Mount Vernon 23
- Murphysboro 23
- Nashville 23
- New Athens 23
- Oblong 23
- Pecatonica 23
- Petersburg 23
- Pinckneyville 23
- Portage Park 23
- Posen 23
- Red Bud 23
- Riverton 23
- Rome 23
- Royalton 23
- Sesser 23
- Sherman 23
- Steeleville 23
- The Galena Territory 23
- Toulon 23
- Valmeyer 23
- Warrensburg 23
- Washington 23
- Waterloo 23
- West Frankfort 23
- Williamsville 23
- Wyoming 23
- Zeigler 23
- Albany Park 22
- Barrington 22
- Bartonville 22
- Cairo 22
- Canton 22
- Carmi 22
- Carrier Mills 22
- Cary 22
- Chicago Loop 22
- Creve Coeur 22
- Delavan 22
- Douglas 22
- Dunlap 22
- East Peoria 22
- Eldorado 22
- Elizabethtown 22
- Elmwood 22
- Fairfield 22
- Farmington 22
- Flossmoor 22
- Fox River Grove 22
- Freeport 22
- Glasford 22
- Golconda 22
- Goreville 22
- Grant Park 22
- Hanna City 22
- Harrisburg 22
- Harvey 22
- Hyde Park 22
- Kenwood 22
- Lake Camelot 22
- Lakewood 22
- Manito 22
- Marquette Heights 22
- Mason City 22
- Matteson 22
- Metropolis 22
- Milan 22
- Monee 22
- Morton 22
- Mound City 22
- Near North Side 22
- Near South Side 22
- Norris City 22
- North Center 22
- North Pekin 22
- North Peoria 22
- Olney 22
- Park Ridge 22
- Pekin 22
- Peoria Heights 22
- Phoenix 22
- Poplar Grove 22
- Princeville 22
- Riverdale 22
- Robinson 22
- Rosiclare 22
- Shawneetown 22
- South Pekin 22
- Tremont 22
- Vienna 22
- Wayne City 22
- West Peoria 22
- Woodlawn 22
- Albion 21
- Beecher 21
- Chicago Heights 21
- Crete 21
- Crystal Lake 21
- Dolton 21
- East Hazel Crest 21
- Grayville 21
- Lawrenceville 21
- Lincoln Park 21
- Mount Carmel 21
- Niles 21
- Northbrook 21
- Olympia Fields 21
- Palestine 21
- Park Forest 21
- Prospect Heights 21
- Richton Park 21
- Roscoe 21
- South Chicago 21
- South Chicago Heights 21
- South Holland 21
- South Shore 21
- Steger 21
- Sumner 21
- Thornton 21
- University Park 21
- Uptown 21
- Bull Valley 20
- Burnham 20
- Calumet City 20
- Capron 20
- Ford Heights 20
- Glenwood 20
- Lake Barrington 20
- Lake Zurich 20
- Lena 20
- Lincoln Square 20
- Lincolnwood 20
- Lynwood 20
- Morton Grove 20
- North Barrington 20
- Oakwood Hills 20
- Port Barrington 20
- Prairie Grove 20
- Rockton 20
- Sauk Village 20
- West Union 20
- Buffalo Grove 19
- Edgewater 19
- Forest Lake 19
- Harvard 19
- Hawthorn Woods 19
- Island Lake 19
- Kildeer 19
- Lake Summerset 19
- Lakemoor 19
- Long Grove 19
- McCullom Lake 19
- Park City 19
- South Beloit 19
- Tower Lake 19
- Wauconda 19
- Wonder Lake 19
- Channel Lake 18
- Crainville 18
- Fox Lake 18
- Fox Lake Hills 18
- Glenview 18
- Hainesville 18
- Hebron 18
- Johnsburg 18
- Lake Catherine 18
- Long Lake 18
- Mundelein 18
- Pistakee Highlands 18
- Richmond 18
- Riverwoods 18
- Rogers Park 18
- Round Lake 18
- Round Lake Beach 18
- Round Lake Park 18
- Spring Grove 18
- Vernon Hills 18
- Volo 18
- Warren 18
- Wheeling 18
- Antioch 17
- Gages Lake 17
- Grandwood Park 17
- Lake Villa 17
- Lincolnshire 17
- Third Lake 17
- Venetian Village 17
- Bannockburn 16
- Deerfield 16
- Durand 16
- Green Oaks 16
- Highland Park 16
- Kenilworth 16
- Northfield 16
- Winnetka 16
- Glencoe 15
- Gurnee 15
- Highwood 15
- Knollwood 15
- Lake Bluff 15
- Wadsworth 15
- Beach Park 14
- North Chicago 14
- Waukegan 14
- Zion 14
- Marengo 12
- Lake Forest 10
- Elk Grove Village 7
AQI US, Metric