548  
AEUS73 KILX 252122  
AQIILX  
 
DAILY AQI REPORT  
ILLINOIS ENVIRONMENTAL PROTECTION AGENCY...SPRINGFIELD, IL  
3PM CDT WEDNESDAY NOVEMBER 25, 2009  
 
THIS IS THE AIR QUALITY INDEX..AQI..REPORT FOR THE CHICAGO  
METROPOLITAN AREA ENDING AT 3PM TODAY...  
 
AQI DESCRIPTOR CRITICAL TOMORROW  
SECTOR VALUE CATEGORY POLLUTANT FORECAST  
 
LAKE COUNTY.... 16 GOOD PARTICULATES GOOD  
 
CHICAGO........ 40 GOOD PARTICULATES GOOD  
SOUTH & WEST  
SUBURBS........ 43 GOOD PARTICULATES GOOD  
NORTH & WEST  
SUBURBS........ 30 GOOD PARTICULATES GOOD  
 
AURORA-ELGIN... 16 GOOD PARTICULATES GOOD  
JOLIET/WILL  
COUNTY......... 43 GOOD PARTICULATES GOOD  
 
THESE ARE THE AQI REPORTS FOR OTHER METROPOLITAN AREAS  
ENDING AT 3PM TODAY...  
 
ROCKFORD....... 16 GOOD PARTICULATES GOOD  
 
QUAD CITIES.... 51 MODERATE PARTICULATES GOOD  
 
PEORIA......... 54 MODERATE PARTICULATES GOOD  
CHAMPAIGN/  
URBANA......... 32 GOOD PARTICULATES GOOD  
BLOOMINGTON/  
NORMAL......... 32 GOOD PARTICULATES GOOD  
 
DECATUR........ 32 GOOD PARTICULATES GOOD  
 
SPRINGFIELD.... 32 GOOD PARTICULATES GOOD  
METRO EAST  
ST LOUIS....... 32 GOOD PARTICULATES GOOD  
 
AQI RANGES AND DESCRIPTOR CATEGORIES...  
0 TO 50...GOOD 51 TO 100...MODERATE 101 TO 150...UNHEALTHY FOR  
SENSITIVE GROUPS 151 TO 200...UNHEALTHY 201 TO 300...VERY UNHEALTHY  
301 TO 500...HAZARDOUS  
 
FOR FURTHER INFORMATION CONTACT THE ILLINOIS EPA AT 217 785 1729  
##A  
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