303  
AEUS73 KILX 222050  
AQIILX  
 
DAILY AQI REPORT  
ILLINOIS ENVIRONMENTAL PROTECTION AGENCY...SPRINGFIELD IL  
3PM CDT WEDNESDAY MARCH 22 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........ 42 GOOD OZONE MODERATE  
SOUTH & WEST  
SUBURBS........ 42 GOOD OZONE MODERATE  
NORTH & WEST  
SUBURBS........ 44 GOOD OZONE MODERATE  
 
AURORA-ELGIN... 42 GOOD OZONE GOOD  
JOLIET/WILL  
COUNTY......... 39 GOOD OZONE GOOD  
   
..REPORTS FOR OTHER METROPOLITAN AREAS ENDING AT 3PM TODAY
 
 
 
ROCKFORD....... 41 GOOD OZONE GOOD  
 
QUAD CITIES.... 39 GOOD OZONE GOOD  
 
PEORIA......... 43 GOOD OZONE GOOD  
CHAMPAIGN/  
URBANA......... 39 GOOD OZONE GOOD  
BLOOMINGTON/  
NORMAL......... 39 GOOD OZONE GOOD  
 
DECATUR........ 40 GOOD OZONE GOOD  
 
SPRINGFIELD.... 39 GOOD OZONE GOOD  
METRO EAST/  
EAST ST LOUIS.. 37 GOOD OZONE MODERATE  
 
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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