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Illinois

United States

2026-05-16 15:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
103.1
PM10
μg/m³
20.1
PM2.5
μg/m³
10.2
CO
μg/m³
125
SO2
μg/m³
1.4
Weather
  • ℃
  • ℉
25℃
69%
16 kph
5 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • CO
  • SO2
Places included
Adams County
AQI 32
Alexander County
AQI 24
Bond County
AQI 21
Boone County
AQI 10
Brown County
AQI 22
Bureau County
AQI 20
Calhoun County
AQI 13
Carroll County
AQI 11
Cass County
AQI 24
Champaign County
AQI 95
Christian County
AQI 22
Clark County
AQI 23
Clay County
AQI 22
Clinton County
AQI 49
Coles County
AQI 23
Cook County
AQI 122
Crawford County
AQI 23
Cumberland County
AQI 86
De Witt County
AQI 27
DeKalb County
AQI 10
Douglas County
AQI 26
DuPage County
AQI 10
Edgar County
AQI 20
Edwards County
AQI 23
Effingham County
AQI 94
Fayette County
AQI 22
Ford County
AQI 9
Franklin County
AQI 29
Fulton County
AQI 21
Gallatin County
AQI 23
Greene County
AQI 13
Grundy County
AQI 9
Hamilton County
AQI 29
Hancock County
AQI 21
Hardin County
AQI 59
Henderson County
AQI 21
Henry County
AQI 23
Iroquois County
AQI 21
Jackson County
AQI 46
Jasper County
AQI 54
Jefferson County
AQI 29
Jersey County
AQI 93
Jo Daviess County
AQI 133
Johnson County
AQI 21
Kane County
AQI 9
Kankakee County
AQI 9
Kendall County
AQI 11
Knox County
AQI 20
LaSalle County
AQI 21
Lake County
AQI 155
Lawrence County
AQI 59
Lee County
AQI 19
Livingston County
AQI 9
Logan County
AQI 24
Macon County
AQI 86
Macoupin County
AQI 99
Madison County
AQI 68
Marion County
AQI 21
Marshall County
AQI 105
Mason County
AQI 24
Massac County
AQI 19
McDonough County
AQI 22
McHenry County
AQI 161
McLean County
AQI 127
Menard County
AQI 22
Mercer County
AQI 23
Monroe County
AQI 21
Montgomery County
AQI 55
Morgan County
AQI 23
Moultrie County
AQI 27
Ogle County
AQI 10
Peoria County
AQI 124
Perry County
AQI 25
Piatt County
AQI 26
Pike County
AQI 21
Pope County
AQI 66
Pulaski County
AQI 23
Putnam County
AQI 20
Randolph County
AQI 25
Richland County
AQI 22
Rock Island County
AQI 139
Saline County
AQI 29
Sangamon County
AQI 90
Schuyler County
AQI 22
Scott County
AQI 20
Shelby County
AQI 27
St. Clair County
AQI 41
Stark County
AQI 58
Stephenson County
AQI 10
Tazewell County
AQI 17
Union County
AQI 22
Vermilion County
AQI 24
Wabash County
AQI 62
Warren County
AQI 19
Washington County
AQI 25
Wayne County
AQI 29
White County
AQI 29
Whiteside County
AQI 11
Will County
AQI 108
Williamson County
AQI 24
Winnebago County
AQI 143
Woodford County
AQI 15
Data Sources
http://www.airnow.gov/

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