Illinois

United States

2026-05-23 04:00
AQI (India)
Satisfactory
O3
μg/m³
67.3
PM10
μg/m³
15.2
PM2.5
μg/m³
4.8
CO
μg/m³
125
Weather
15℃
83%
12 kph
0 of 11
Historical Data
Places included
Adams County
AQI 23
Alexander County
AQI 6
Bond County
AQI 9
Boone County
AQI 8
Brown County
AQI 9
Bureau County
AQI 11
Calhoun County
AQI 9
Carroll County
AQI 7
Cass County
AQI 8
Champaign County
AQI 45
Christian County
AQI 9
Clark County
AQI 6
Clay County
AQI 7
Clinton County
AQI 50
Coles County
AQI 7
Cook County
AQI 79
Crawford County
AQI 6
Cumberland County
AQI 52
De Witt County
AQI 8
DeKalb County
AQI 8
Douglas County
AQI 9
DuPage County
AQI 13
Edgar County
AQI 7
Edwards County
AQI 6
Effingham County
AQI 50
Fayette County
AQI 8
Ford County
AQI 7
Franklin County
AQI 7
Fulton County
AQI 9
Gallatin County
AQI 5
Greene County
AQI 9
Grundy County
AQI 7
Hamilton County
AQI 7
Hancock County
AQI 11
Hardin County
AQI 17
Henderson County
AQI 12
Henry County
AQI 17
Iroquois County
AQI 8
Jackson County
AQI 16
Jasper County
AQI 33
Jefferson County
AQI 7
Jersey County
AQI 56
Jo Daviess County
AQI 95
Johnson County
AQI 5
Kane County
AQI 9
Kankakee County
AQI 7
Kendall County
AQI 10
Knox County
AQI 10
LaSalle County
AQI 12
Lake County
AQI 108
Lawrence County
AQI 32
Lee County
AQI 12
Livingston County
AQI 7
Logan County
AQI 9
Macon County
AQI 39
Macoupin County
AQI 50
Madison County
AQI 53
Marion County
AQI 8
Marshall County
AQI 71
Mason County
AQI 9
Massac County
AQI 3
McDonough County
AQI 9
McHenry County
AQI 102
McLean County
AQI 56
Menard County
AQI 9
Mercer County
AQI 17
Monroe County
AQI 15
Montgomery County
AQI 40
Morgan County
AQI 8
Moultrie County
AQI 8
Ogle County
AQI 8
Peoria County
AQI 72
Perry County
AQI 12
Piatt County
AQI 9
Pike County
AQI 9
Pope County
AQI 19
Pulaski County
AQI 6
Putnam County
AQI 11
Randolph County
AQI 12
Richland County
AQI 7
Rock Island County
AQI 80
Saline County
AQI 7
Sangamon County
AQI 65
Schuyler County
AQI 9
Scott County
AQI 8
Shelby County
AQI 8
St. Clair County
AQI 41
Stark County
AQI 40
Stephenson County
AQI 8
Tazewell County
AQI 10
Union County
AQI 8
Vermilion County
AQI 9
Wabash County
AQI 31
Warren County
AQI 10
Washington County
AQI 12
Wayne County
AQI 7
White County
AQI 7
Whiteside County
AQI 7
Will County
AQI 63
Williamson County
AQI 6
Winnebago County
AQI 102
Woodford County
AQI 9
Data Sources

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