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Illinois

United States

2026-03-11 14:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
46.6
PM10
μg/m³
7.2
PM2.5
μg/m³
3
SO2
μg/m³
0.6
Weather
  • ℃
  • ℉
5℃
94%
24 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • SO2
Places included
Adams County
AQI 17
Alexander County
AQI 20
Bond County
AQI 15
Boone County
AQI 3
Brown County
AQI 18
Bureau County
AQI 18
Calhoun County
AQI 5
Carroll County
AQI 3
Cass County
AQI 18
Champaign County
AQI 12
Christian County
AQI 5
Clark County
AQI 20
Clay County
AQI 18
Clinton County
AQI 15
Coles County
AQI 19
Cook County
AQI 14
Crawford County
AQI 20
Cumberland County
AQI 19
De Witt County
AQI 4
DeKalb County
AQI 3
Douglas County
AQI 5
DuPage County
AQI 5
Edgar County
AQI 20
Edwards County
AQI 18
Effingham County
AQI 21
Fayette County
AQI 18
Ford County
AQI 5
Franklin County
AQI 4
Fulton County
AQI 19
Gallatin County
AQI 20
Greene County
AQI 5
Grundy County
AQI 5
Hamilton County
AQI 4
Hancock County
AQI 17
Hardin County
AQI 20
Henderson County
AQI 19
Henry County
AQI 9
Iroquois County
AQI 20
Jackson County
AQI 20
Jasper County
AQI 19
Jefferson County
AQI 4
Jersey County
AQI 12
Jo Daviess County
AQI 17
Johnson County
AQI 20
Kane County
AQI 3
Kankakee County
AQI 5
Kendall County
AQI 5
Knox County
AQI 19
LaSalle County
AQI 20
Lake County
AQI 17
Lawrence County
AQI 17
Lee County
AQI 18
Livingston County
AQI 5
Logan County
AQI 5
Macon County
AQI 11
Macoupin County
AQI 11
Madison County
AQI 17
Marion County
AQI 18
Marshall County
AQI 20
Mason County
AQI 20
Massac County
AQI 9
McDonough County
AQI 19
McHenry County
AQI 20
McLean County
AQI 13
Menard County
AQI 5
Mercer County
AQI 9
Monroe County
AQI 11
Montgomery County
AQI 18
Morgan County
AQI 18
Moultrie County
AQI 4
Ogle County
AQI 3
Peoria County
AQI 13
Perry County
AQI 4
Piatt County
AQI 5
Pike County
AQI 18
Pope County
AQI 20
Pulaski County
AQI 20
Putnam County
AQI 18
Randolph County
AQI 4
Richland County
AQI 18
Rock Island County
AQI 15
Saline County
AQI 4
Sangamon County
AQI 13
Schuyler County
AQI 19
Scott County
AQI 18
Shelby County
AQI 4
St. Clair County
AQI 17
Stark County
AQI 18
Stephenson County
AQI 3
Tazewell County
AQI 7
Union County
AQI 20
Vermilion County
AQI 5
Wabash County
AQI 17
Warren County
AQI 19
Washington County
AQI 4
Wayne County
AQI 4
White County
AQI 4
Whiteside County
AQI 3
Will County
AQI 18
Williamson County
AQI 20
Winnebago County
AQI 16
Woodford County
AQI 7
Data Sources
http://www.airnow.gov/

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