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  4. McHenry County

McHenry County

Illinois

2026-08-16 18:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
6
O3
μg/m³
75
Weather
  • ℃
  • ℉
27℃
80%
13 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
Places included
Algonquin Township
AQI 34
Chemung Township
AQI 31
Coral Township
AQI 34
Dorr Township
AQI 34
Grafton Township
AQI 34
Greenwood Township
AQI 34
Hebron Township
AQI 34
McHenry Township
AQI 34
Nunda Township
AQI 34
Richmond Township
AQI 34
Riley Township
AQI 32
Data Sources
http://www.airnow.gov/

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Cities Nearby

Woodstock
AQI 34
Bull Valley
AQI 34
Village of Lakewood
AQI 34
Greenwood
AQI 34
Crystal Lake
AQI 34
Wonder Lake
AQI 34
McCullom Lake
AQI 34
McHenry
AQI 34
Prairie Grove
AQI 34
Ringwood
AQI 34
Union
AQI 34