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Illinois

United States

2026-05-18 15:00
AQI (India)
Satisfactory
Pollutants|Pollens
O3
μg/m³
88.6
PM10
μg/m³
23.7
PM2.5
μg/m³
7.4
CO
μg/m³
125
SO2
μg/m³
1.1
Weather
  • ℃
  • ℉
20℃
94%
29 kph
4 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • CO
  • SO2
Places included
Adams County
AQI 38
Alexander County
AQI 24
Bond County
AQI 20
Boone County
AQI 14
Brown County
AQI 22
Bureau County
AQI 20
Calhoun County
AQI 5
Carroll County
AQI 12
Cass County
AQI 21
Champaign County
AQI 77
Christian County
AQI 7
Clark County
AQI 23
Clay County
AQI 21
Clinton County
AQI 71
Coles County
AQI 21
Cook County
AQI 61
Crawford County
AQI 23
Cumberland County
AQI 70
De Witt County
AQI 7
DeKalb County
AQI 14
Douglas County
AQI 13
DuPage County
AQI 24
Edgar County
AQI 22
Edwards County
AQI 21
Effingham County
AQI 74
Fayette County
AQI 22
Ford County
AQI 14
Franklin County
AQI 20
Fulton County
AQI 21
Gallatin County
AQI 20
Greene County
AQI 5
Grundy County
AQI 14
Hamilton County
AQI 20
Hancock County
AQI 21
Hardin County
AQI 48
Henderson County
AQI 19
Henry County
AQI 43
Iroquois County
AQI 21
Jackson County
AQI 30
Jasper County
AQI 45
Jefferson County
AQI 20
Jersey County
AQI 111
Jo Daviess County
AQI 111
Johnson County
AQI 19
Kane County
AQI 22
Kankakee County
AQI 14
Kendall County
AQI 19
Knox County
AQI 20
LaSalle County
AQI 22
Lake County
AQI 80
Lawrence County
AQI 81
Lee County
AQI 20
Livingston County
AQI 14
Logan County
AQI 7
Macon County
AQI 108
Macoupin County
AQI 105
Madison County
AQI 98
Marion County
AQI 21
Marshall County
AQI 100
Mason County
AQI 21
Massac County
AQI 13
McDonough County
AQI 22
McHenry County
AQI 67
McLean County
AQI 108
Menard County
AQI 7
Mercer County
AQI 43
Monroe County
AQI 13
Montgomery County
AQI 74
Morgan County
AQI 21
Moultrie County
AQI 7
Ogle County
AQI 14
Peoria County
AQI 92
Perry County
AQI 16
Piatt County
AQI 11
Pike County
AQI 20
Pope County
AQI 54
Pulaski County
AQI 21
Putnam County
AQI 20
Randolph County
AQI 16
Richland County
AQI 22
Rock Island County
AQI 108
Saline County
AQI 20
Sangamon County
AQI 117
Schuyler County
AQI 22
Scott County
AQI 20
Shelby County
AQI 7
St. Clair County
AQI 78
Stark County
AQI 56
Stephenson County
AQI 14
Tazewell County
AQI 9
Union County
AQI 22
Vermilion County
AQI 14
Wabash County
AQI 77
Warren County
AQI 22
Washington County
AQI 16
Wayne County
AQI 20
White County
AQI 20
Whiteside County
AQI 12
Will County
AQI 75
Williamson County
AQI 21
Winnebago County
AQI 67
Woodford County
AQI 8
Data Sources
http://www.airnow.gov/

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