Air Quality Index Statement
Issued by NWS Central Illinois

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AEUS73 KILX 222147
AQIILX

DAILY AQI REPORT
ILLINOIS ENVIRONMENTAL PROTECTION AGENCY...SPRINGFIELD IL
4PM CDT FRIDAY SEPTEMBER 22 2017
THIS IS THE AIR QUALITY INDEX..AQI..REPORT FOR THE CHICAGO
METROPOLITAN AREA ENDING AT 4PM TODAY...

                AQI    DESCRIPTOR      CRITICAL            TOMORROW
    SECTOR     VALUE    CATEGORY       POLLUTANT           FORECAST

LAKE COUNTY.... 105       USG            OZONE               USG

CHICAGO........  64     MODERATE         OZONE               USG
SOUTH & WEST
SUBURBS........  65     MODERATE      PARTICULATES           USG
NORTH & WEST
SUBURBS........ 101       USG            OZONE               USG

AURORA-ELGIN...  56     MODERATE      PARTICULATES         MODERATE
JOLIET/WILL
COUNTY.........  58     MODERATE         OZONE             MODERATE

...REPORTS FOR OTHER METROPOLITAN AREAS ENDING AT 4PM TODAY...

ROCKFORD.......  56     MODERATE      PARTICULATES         MODERATE

QUAD CITIES....  37       GOOD           OZONE             MODERATE

PEORIA.........  44       GOOD           OZONE             MODERATE
CHAMPAIGN/
URBANA.........  48       GOOD           OZONE             MODERATE
BLOOMINGTON/
NORMAL.........  54     MODERATE      PARTICULATES         MODERATE

DECATUR........  54     MODERATE      PARTICULATES         MODERATE

SPRINGFIELD....  54     MODERATE      PARTICULATES         MODERATE
METRO EAST/
EAST ST LOUIS..  74     MODERATE         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
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