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Chicago, IL  60618      4/24/2014
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Air Quality for:  Chicago, IL  60618      4/24/2014
Today's Air Quality  
Chicago, IL Code AQI Level Major Pollutant Category
Air Quality Forecast  
Chicago, IL Code AQI Level Major Pollutant Category
4/25/2014
N/A Small Particulate Matter Moderate
Air Quality Index (AQI) Scale  
AQI Numbers
AQI Category AQI Color
0-50 Good Good
51-100 Moderate Moderate
101-150 Unhealthy for Sensitive Groups Unhealthy for Sensitive Groups
151-200 Unhealthy Unhealthy
201-300 Very Unhealthy Very Unhealthy
301-500+ Hazardous Hazardous
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