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Chicago

Cook County, Illinois

2025-03-16 18:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
51.4
PM2.5
μg/m³
4.1
Weather
  • ℃
  • ℉
0℃
89%
17 kph
2 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM2.5
Places included
CHI_COM
AQI 17
CHI_SP
AQI 5
CHI_SWFP
AQI 15
CHI_TAFT
AQI 19
CHI_WASH
AQI 9
Data Sources
http://www.airnow.gov/

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