678  
AEUS73 KILX 242048  
AQIILX  
 
DAILY AQI REPORT  
ILLINOIS ENVIRONMENTAL PROTECTION AGENCY...SPRINGFIELD IL  
3PM CDT WEDNESDAY MAY 24 2017  
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.... 42 GOOD OZONE GOOD  
 
CHICAGO........ 56 MODERATE PARTICULATES GOOD  
SOUTH & WEST  
SUBURBS........ 43 GOOD PARTICULATES GOOD  
NORTH & WEST  
SUBURBS........ 47 GOOD OZONE GOOD  
 
AURORA-ELGIN... 44 GOOD OZONE GOOD  
JOLIET/WILL  
COUNTY......... 35 GOOD OZONE GOOD  
   
..REPORTS FOR OTHER METROPOLITAN AREAS ENDING AT 3PM TODAY
 
 
 
ROCKFORD....... 31 GOOD OZONE GOOD  
 
QUAD CITIES.... 52 MODERATE PARTICULATES GOOD  
 
PEORIA......... 52 MODERATE PARTICULATES GOOD  
CHAMPAIGN/  
URBANA......... 34 GOOD OZONE GOOD  
BLOOMINGTON/  
NORMAL......... 40 GOOD OZONE GOOD  
 
DECATUR........ 47 GOOD OZONE GOOD  
 
SPRINGFIELD.... 41 GOOD OZONE GOOD  
METRO EAST/  
EAST ST LOUIS.. 41 GOOD OZONE GOOD  
 
AQI RANGES AND 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 8911  
##A  
 
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