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Illinois

United States

2026-05-18 12:00
AQI (India)
Satisfactory
Pollutants|Pollens
O3
μg/m³
71.1
PM10
μg/m³
29.1
PM2.5
μg/m³
10.6
CO
μg/m³
125
SO2
μg/m³
1.1
Weather
  • ℃
  • ℉
23℃
84%
26 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • CO
  • SO2
Places included
Adams County
AQI 40
Alexander County
AQI 24
Bond County
AQI 22
Boone County
AQI 20
Brown County
AQI 22
Bureau County
AQI 21
Calhoun County
AQI 20
Carroll County
AQI 9
Cass County
AQI 22
Champaign County
AQI 73
Christian County
AQI 19
Clark County
AQI 23
Clay County
AQI 21
Clinton County
AQI 57
Coles County
AQI 21
Cook County
AQI 68
Crawford County
AQI 23
Cumberland County
AQI 80
De Witt County
AQI 19
DeKalb County
AQI 20
Douglas County
AQI 16
DuPage County
AQI 24
Edgar County
AQI 21
Edwards County
AQI 21
Effingham County
AQI 84
Fayette County
AQI 22
Ford County
AQI 17
Franklin County
AQI 19
Fulton County
AQI 23
Gallatin County
AQI 20
Greene County
AQI 20
Grundy County
AQI 17
Hamilton County
AQI 19
Hancock County
AQI 21
Hardin County
AQI 49
Henderson County
AQI 19
Henry County
AQI 33
Iroquois County
AQI 21
Jackson County
AQI 30
Jasper County
AQI 51
Jefferson County
AQI 19
Jersey County
AQI 48
Jo Daviess County
AQI 130
Johnson County
AQI 19
Kane County
AQI 18
Kankakee County
AQI 17
Kendall County
AQI 18
Knox County
AQI 24
LaSalle County
AQI 22
Lake County
AQI 88
Lawrence County
AQI 67
Lee County
AQI 21
Livingston County
AQI 17
Logan County
AQI 19
Macon County
AQI 67
Macoupin County
AQI 58
Madison County
AQI 60
Marion County
AQI 21
Marshall County
AQI 61
Mason County
AQI 21
Massac County
AQI 16
McDonough County
AQI 22
McHenry County
AQI 82
McLean County
AQI 75
Menard County
AQI 19
Mercer County
AQI 33
Monroe County
AQI 21
Montgomery County
AQI 41
Morgan County
AQI 21
Moultrie County
AQI 19
Ogle County
AQI 20
Peoria County
AQI 69
Perry County
AQI 20
Piatt County
AQI 18
Pike County
AQI 22
Pope County
AQI 54
Pulaski County
AQI 21
Putnam County
AQI 23
Randolph County
AQI 20
Richland County
AQI 22
Rock Island County
AQI 90
Saline County
AQI 19
Sangamon County
AQI 67
Schuyler County
AQI 22
Scott County
AQI 22
Shelby County
AQI 19
St. Clair County
AQI 65
Stark County
AQI 34
Stephenson County
AQI 20
Tazewell County
AQI 27
Union County
AQI 22
Vermilion County
AQI 18
Wabash County
AQI 67
Warren County
AQI 22
Washington County
AQI 20
Wayne County
AQI 19
White County
AQI 19
Whiteside County
AQI 9
Will County
AQI 71
Williamson County
AQI 20
Winnebago County
AQI 45
Woodford County
AQI 23
Data Sources
http://www.airnow.gov/

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