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  4. McHenry County

McHenry County

Illinois

2026-08-16 16:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
70.7
PM2.5
μg/m³
5
Weather
  • ℃
  • ℉
28℃
80%
14 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
Places included
Algonquin Township
AQI 31
Chemung Township
AQI 31
Coral Township
AQI 28
Dorr Township
AQI 28
Grafton Township
AQI 28
Greenwood Township
AQI 28
Hebron Township
AQI 28
McHenry Township
AQI 28
Nunda Township
AQI 28
Richmond Township
AQI 28
Riley Township
AQI 32
Data Sources
http://www.airnow.gov/

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Cities Nearby

Woodstock
AQI 28
Bull Valley
AQI 28
Village of Lakewood
AQI 28
Greenwood
AQI 28
Crystal Lake
AQI 28
Wonder Lake
AQI 28
McCullom Lake
AQI 28
McHenry
AQI 28
Prairie Grove
AQI 28
Ringwood
AQI 28
Union
AQI 28