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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 | West Ridge | 56 |
| 2 | Centralia | 55 |
| 3 | Libertyville | 53 |
| 4 | Machesney Park | 53 |
| 5 | McLeansboro | 53 |
| 6 | McCook | 50 |
| 7 | Loves Park | 48 |
| 8 | Woodstock | 46 |
| 9 | Moline | 45 |
| 10 | Milan | 44 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
112 Contributors
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Illinois air quality data attribution
112Contributors
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Which is the most polluted city in Illinois?
- West Ridge 56
- Centralia 55
- Libertyville 53
- Machesney Park 53
- McLeansboro 53
- Benton 52
- Carmi 52
- Eldorado 52
- Fairfield 52
- Grayville 52
- Harrisburg 52
- Ina 52
- Norris City 52
- Wayne City 52
- Albion 51
- Carrier Mills 51
- Christopher 51
- Johnston City 51
- Lawrenceville 51
- Mount Carmel 51
- Sesser 51
- Shawneetown 51
- West Frankfort 51
- Crainville 50
- Elizabethtown 50
- Energy 50
- Herrin 50
- Marion 50
- McCook 50
- Mount Vernon 50
- Rosiclare 50
- Sumner 50
- Zeigler 50
- Anna 49
- Cairo 49
- Cambria 49
- Carbondale 49
- Carterville 49
- De Soto 49
- Golconda 49
- Goreville 49
- Jonesboro 49
- Mound City 49
- Royalton 49
- Vienna 49
- Loves Park 48
- Metropolis 48
- Olney 48
- Du Quoin 47
- Flora 47
- Oblong 47
- Palestine 47
- Robinson 47
- Effingham 46
- Greenup 46
- Louisville 46
- Murphysboro 46
- Newton 46
- Salem 46
- Teutopolis 46
- Woodstock 46
- Addison 45
- Albany Park 45
- Altamont 45
- Alton 45
- Arlington Heights 45
- Avondale 45
- Batavia 45
- Bellwood 45
- Belmont Cragin 45
- Bement 45
- Bensenville 45
- Berkeley 45
- Berwyn 45
- Bethalto 45
- Bethany 45
- Bloomingdale 45
- Bolingbrook 45
- Boulder Hill 45
- Broadview 45
- Brookfield 45
- Burr Ridge 45
- Carlyle 45
- Carol Stream 45
- Casey 45
- Central City 45
- Cerro Gordo 45
- Clarendon Hills 45
- Countryside 45
- Crest Hill 45
- Crystal Lawns 45
- Darien 45
- Downers Grove 45
- East Alton 45
- Edgewater 45
- Edwardsville 45
- Elk Grove Village 45
- Elmhurst 45
- Elmwood Park 45
- Forest Park 45
- Forsyth 45
- Franklin Park 45
- Geneva 45
- Gifford 45
- Glen Carbon 45
- Glen Ellyn 45
- Glencoe 45
- Glendale Heights 45
- Glenview 45
- Godfrey 45
- Harristown 45
- Harwood Heights 45
- Highland Park 45
- Highwood 45
- Hillside 45
- Hinsdale 45
- Hodgkins 45
- Holiday Shores 45
- Indian Head Park 45
- Irving Park 45
- Itasca 45
- Justice 45
- Kenilworth 45
- La Grange Park 45
- Lake of the Woods 45
- Lincoln Square 45
- Lincolnwood 45
- Lockport 45
- Logan Square 45
- Lombard 45
- Long Creek 45
- Lovington 45
- Macon 45
- Madison 45
- Maroa 45
- Marshall 45
- Martinsville 45
- Maryville 45
- Mattoon 45
- Maywood 45
- Melrose Park 45
- Mitchell 45
- Moline 45
- Montgomery 45
- Monticello 45
- Morton Grove 45
- Mount Prospect 45
- Mount Zion 45
- Neoga 45
- Niles 45
- Norridge 45
- North Aurora 45
- North Center 45
- North Riverside 45
- Northfield 45
- Northlake 45
- Oak Brook 45
- Oakbrook Terrace 45
- Odin 45
- Oswego 45
- Park Ridge 45
- Philo 45
- Pinckneyville 45
- Plainfield 45
- Pontoon Beach 45
- Portage Park 45
- Prestbury 45
- Prospect Heights 45
- Rantoul 45
- River Grove 45
- Riverside 45
- Rogers Park 45
- Romeoville 45
- Roselle 45
- Rosemont 45
- Rosewood Heights 45
- Roxana 45
- Saint Elmo 45
- Saint Joseph 45
- Sandoval 45
- South Lawndale 45
- South Roxana 45
- Stickney 45
- Stone Park 45
- Sugar Grove 45
- Thomasboro 45
- Toledo 45
- Tolono 45
- Upper Alton 45
- Uptown 45
- Vandalia 45
- Villa Park 45
- Wamac 45
- Warrensburg 45
- Warrenville 45
- West Chicago 45
- West Garfield Park 45
- Westchester 45
- Western Springs 45
- Westmont 45
- Willow Springs 45
- Winfield 45
- Winnetka 45
- Wood Dale 45
- Woodridge 45
- Yorkville 45
- Albers 44
- Alorton 44
- Ashburn 44
- Assumption 44
- Atwood 44
- Auburn Gresham 44
- Aviston 44
- Bannockburn 44
- Barrington 44
- Barrington Hills 44
- Bartlett 44
- Beckemeyer 44
- Belleville 44
- Benld 44
- Big Rock 44
- Blue Island 44
- Blue Mound 44
- Breese 44
- Bridgeport 44
- Bridgeview 44
- Brighton 44
- Brighton Park 44
- Buffalo Grove 44
- Bunker Hill 44
- Burbank 44
- Cahokia 44
- Caseyville 44
- Catlin 44
- Centreville 44
- Chatham 44
- Chester 44
- Chicago Lawn 44
- Chicago Loop 44
- Chicago Ridge 44
- Clinton 44
- Collinsville 44
- Columbia 44
- Crestwood 44
- Danville 44
- Deerfield 44
- Douglas 44
- Dupo 44
- East Garfield Park 44
- Elburn 44
- Elgin 44
- Englewood 44
- Evergreen Park 44
- Fairmont 44
- Fairmont City 44
- Fairview Heights 44
- Farmer City 44
- Fisher 44
- Forest Lake 44
- Freeburg 44
- Gage Park 44
- Germantown 44
- Gillespie 44
- Goodings Grove 44
- Grand Boulevard 44
- Greater Grand Crossing 44
- Greenville 44
- Hanover Park 44
- Hickory Hills 44
- Hillsboro 44
- Hinckley 44
- Hoffman Estates 44
- Homer Glen 44
- Hometown 44
- Hyde Park 44
- Ingalls Park 44
- Inverness 44
- Kenwood 44
- Kildeer 44
- Knollwood 44
- Lake Bluff 44
- Lake Holiday 44
- Lily Lake 44
- Lincoln Park 44
- Lincolnshire 44
- Litchfield 44
- Long Grove 44
- Lower West Side 44
- Mascoutah 44
- McKinley Park 44
- Merrionette Park 44
- Milan 44
- Millstadt 44
- Minooka 44
- Morgan Park 44
- Mount Greenwood 44
- Mount Olive 44
- Moweaqua 44
- Nashville 44
- Near North Side 44
- Near South Side 44
- New Baden 44
- New City 44
- New Lenox 44
- Nokomis 44
- North Chicago 44
- North Lawndale 44
- O'Fallon 44
- Oak Lawn 44
- Oakwood 44
- Okawville 44
- Orland Hills 44
- Palos Heights 44
- Palos Hills 44
- Palos Park 44
- Pana 44
- Plano 44
- Pocahontas 44
- Preston Heights 44
- Ramsey 44
- Riverwoods 44
- Robbins 44
- Rockdale 44
- Rolling Meadows 44
- Rossville 44
- Saint Jacob 44
- Sandwich 44
- Schaumburg 44
- Scott Air Force Base 44
- Shelbyville 44
- Shiloh 44
- Sidney 44
- Smithton 44
- Somonauk 44
- South Barrington 44
- South Elgin 44
- South Shore 44
- Staunton 44
- Streamwood 44
- Sullivan 44
- Summit 44
- Swansea 44
- Tilton 44
- Trenton 44
- Troy 44
- Valmeyer 44
- Vernon Hills 44
- Village of Campton Hills 44
- Wasco 44
- Waterloo 44
- Wayne 44
- West Elsdon 44
- West Englewood 44
- West Lawn 44
- West Town 44
- Wheeling 44
- Windsor 44
- Woodlawn 44
- Worden 44
- Worth 44
- Algonquin 43
- Arcola 43
- Arthur 43
- Auburn 43
- Calumet Park 43
- Carlinville 43
- Carpentersville 43
- Carrollton 43
- Channahon 43
- Cortland 43
- Divernon 43
- Dixmoor 43
- East Dundee 43
- Edinburg 43
- Fox River Grove 43
- Georgetown 43
- Gibson City 43
- Gilberts 43
- Gilman 43
- Girard 43
- Green Oaks 43
- Greenfield 43
- Hardin 43
- Hawthorn Woods 43
- Hoopeston 43
- Kincaid 43
- Lake Barrington 43
- Lake Zurich 43
- Le Roy 43
- Maple Park 43
- Marissa 43
- Markham 43
- Midlothian 43
- Milford 43
- Mokena 43
- Morrisonville 43
- Mount Pulaski 43
- Mundelein 43
- New Athens 43
- North Barrington 43
- Northbrook 43
- Oak Forest 43
- Onarga 43
- Paris 43
- Pawnee 43
- Paxton 43
- Pingree Grove 43
- Posen 43
- Red Bud 43
- Riverdale 43
- Rochester 43
- Sheldon 43
- Sheridan 43
- Sleepy Hollow 43
- South Chicago 43
- Steeleville 43
- Sycamore 43
- Taylorville 43
- Tinley Park 43
- Tuscola 43
- Villa Grove 43
- Virden 43
- Waterman 43
- Watseka 43
- Waukegan 43
- West Dundee 43
- Westville 43
- Beach Park 42
- Chrisman 42
- Cobden 42
- Country Club Hills 42
- Crystal Lake 42
- Dolton 42
- East Saint Louis 42
- Elwood 42
- Frankfort 42
- Frankfort Square 42
- Gages Lake 42
- Genoa 42
- Gurnee 42
- Hainesville 42
- Hampshire 42
- Harvey 42
- Hazel Crest 42
- Heyworth 42
- Huntley 42
- Island Lake 42
- Kingston 42
- Lake in the Hills 42
- Lakemoor 42
- Lakewood 42
- Lindenhurst 42
- Malta 42
- Morris 42
- Oakwood Hills 42
- Phoenix 42
- Port Barrington 42
- Prairie Grove 42
- Roodhouse 42
- Tower Lake 42
- Volo 42
- Wauconda 42
- Waverly 42
- White Hall 42
- Winthrop Harbor 42
- Zion 42
- Antioch 41
- Belvidere 41
- Braidwood 41
- Bull Valley 41
- Burnham 41
- Byron 41
- Calumet City 41
- Capron 41
- Channel Lake 41
- Cherry Valley 41
- Davis Junction 41
- Diamond 41
- Dwight 41
- East Hazel Crest 41
- Flossmoor 41
- Forreston 41
- Fox Lake 41
- Fox Lake Hills 41
- Freeport 41
- Gardner 41
- Grandwood Park 41
- Harvard 41
- Hebron 41
- Jerome 41
- Johnsburg 41
- Kirkland 41
- Lake Catherine 41
- Lake Villa 41
- Lakewood Shores 41
- Long Lake 41
- Manhattan 41
- Marseilles 41
- Matteson 41
- McCullom Lake 41
- McHenry 41
- Mount Morris 41
- Oak Park 41
- Olympia Fields 41
- Ottawa 41
- Park Forest 41
- Pecatonica 41
- Pistakee Highlands 41
- Poplar Grove 41
- Richmond 41
- Richton Park 41
- Riverton 41
- Rockford 41
- Rockton 41
- Roscoe 41
- Round Lake 41
- Round Lake Beach 41
- Round Lake Park 41
- Seneca 41
- South Beloit 41
- South Holland 41
- Southern View 41
- Spring Grove 41
- Stillman Valley 41
- Streator 41
- Third Lake 41
- Thornton 41
- Venetian Village 41
- Wadsworth 41
- Winchester 41
- Winnebago 41
- Wonder Lake 41
- Beardstown 40
- Beecher 40
- Bourbonnais 40
- Bradley 40
- Cary 40
- Chatsworth 40
- Chebanse 40
- Chenoa 40
- Chicago Heights 40
- Clifton 40
- Colfax 40
- Crete 40
- Deer Park 40
- Earlville 40
- Fairbury 40
- Flanagan 40
- Ford Heights 40
- Forrest 40
- Glenwood 40
- Grandview 40
- Grant Park 40
- Grayslake 40
- Griggsville 40
- Herscher 40
- Hillcrest 40
- Jacksonville 40
- Kankakee 40
- Lake Summerset 40
- Lanark 40
- Leland Grove 40
- Lena 40
- Limestone 40
- Lincoln 40
- Lynwood 40
- Meredosia 40
- Momence 40
- Monee 40
- Oglesby 40
- Oregon 40
- Pittsfield 40
- Polo 40
- Pontiac 40
- Rochelle 40
- Saint Anne 40
- Sauk Village 40
- South Chicago Heights 40
- South Jacksonville 40
- Steger 40
- Stockton 40
- Toluca 40
- University Park 40
- Warren 40
- Amboy 39
- Ashland 39
- Atlanta 39
- Bloomington 39
- Depue 39
- Dixon 39
- El Paso 39
- Granville 39
- Gridley 39
- Havana 39
- Hennepin 39
- Henry 39
- Hudson 39
- Lacon 39
- Ladd 39
- Lexington 39
- Mendota 39
- Minonk 39
- Mount Carroll 39
- Palatine 39
- Peru 39
- Rock Falls 39
- Round Lake Heights 39
- Schiller Park 39
- Sherman 39
- Spring Valley 39
- Sterling 39
- The Galena Territory 39
- Virginia 39
- Washburn 39
- Williamsville 39
- Astoria 38
- Athens 38
- Canton 38
- Chillicothe 38
- Delavan 38
- Des Plaines 38
- Eureka 38
- Germantown Hills 38
- Glasford 38
- Heritage Lake 38
- Lemont 38
- Lewistown 38
- Mackinaw 38
- Manito 38
- Marquette Heights 38
- Mason City 38
- Metamora 38
- Minier 38
- Morton 38
- North Pekin 38
- Park City 38
- Pekin 38
- Petersburg 38
- Princeton 38
- Roanoke 38
- Rome 38
- Saint Charles 38
- South Pekin 38
- Tremont 38
- Twin Grove 38
- Walnut 38
- Washington 38
- Washington Park 38
- Barry 37
- Bartonville 37
- Creve Coeur 37
- Cuba 37
- Dunlap 37
- East Peoria 37
- Galena 37
- Highland 37
- Lake Camelot 37
- Morrison 37
- North Peoria 37
- Peoria Heights 37
- Prophetstown 37
- West Peoria 37
- Cicero 36
- Elmwood 36
- Erie 36
- Farmington 36
- Fulton 36
- Hanna City 36
- Princeville 36
- Rushville 36
- Savanna 36
- East Dubuque 35
- Galva 35
- Kewanee 35
- Knoxville 35
- Mount Sterling 35
- River Forest 35
- Shorewood 35
- Sparta 35
- Toulon 35
- West Union 35
- Wilmette 35
- Wyoming 35
- Abingdon 34
- Bellevue 34
- Bushnell 34
- Champaign 34
- Chicago 34
- DeKalb 34
- Naperville 34
- Peoria 34
- Cambridge 33
- Carbon Cliff 33
- East Moline 33
- Evanston 33
- Galesburg 33
- Geneseo 33
- Hampton 33
- Lebanon 33
- Lyons 33
- Port Byron 33
- Rock Island 33
- Silvis 33
- Springfield 33
- Andalusia 32
- Coal Valley 32
- Colona 32
- Green Rock 32
- Lisle 32
- Granite City 31
- Orion 31
- Aledo 30
- Macomb 30
- Payson 30
- Camp Point 29
- Colchester 29
- Jerseyville 29
- Lake Forest 29
- Lansing 29
- Monmouth 29
- Oquawka 29
- Quincy 29
- Skokie 29
- Joliet 28
- La Harpe 28
- Wheaton 28
- Wood River 28
- Aurora 27
- Charleston 27
- Nauvoo 27
- Venice 27
- Alsip 26
- Carthage 26
- Hamilton 26
- Warsaw 26
- Hartford 25
- Homer 25
- Urbana 24
- Coal City 23
- La Grange 23
- New Berlin 23
- Savoy 23
- Orland Park 22
- Willowbrook 22
- Wilmington 22
- Danvers 21
- Decatur 21
- Homewood 21
- Manteno 21
- Normal 21
- Mahomet 20
- Union Hill 19
- Durand 15
- La Salle 15
- Marengo 14
- Peotone 5
- Newark 3
AQI US, Metric