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  4. McHenry County

McHenry County

Illinois

2026-08-16 17:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
5.8
O3
μg/m³
72.9
Weather
  • ℃
  • ℉
27℃
80%
13 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
Places included
Algonquin Township
AQI 33
Chemung Township
AQI 31
Coral Township
AQI 33
Dorr Township
AQI 33
Grafton Township
AQI 33
Greenwood Township
AQI 33
Hebron Township
AQI 33
McHenry Township
AQI 33
Nunda Township
AQI 33
Richmond Township
AQI 33
Riley Township
AQI 32
Data Sources
http://www.airnow.gov/

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Cities Nearby

Woodstock
AQI 33
Bull Valley
AQI 33
Village of Lakewood
AQI 33
Greenwood
AQI 33
Crystal Lake
AQI 33
Wonder Lake
AQI 33
McCullom Lake
AQI 33
McHenry
AQI 33
Prairie Grove
AQI 33
Ringwood
AQI 33
Union
AQI 33