021  
AEUS72 KCHS 182023  
AQICHS  
 
GROUND LEVEL OZONE FORECAST  
SOUTH CAROLINA DEPARTMENT OF HEALTH AND ENVIRONMENTAL CONTROL  
RELAYED BY NATIONAL WEATHER SERVICE CHARLESTON SC  
423 PM EDT THU APR 18 2024  
 
GROUND LEVEL OZONE FORECASTS FOR THE CHARLESTON TRI-COUNTY AREA  
OF SOUTH CAROLINA ARE PROVIDED BY THE SOUTH CAROLINA DEPARTMENT  
OF HEALTH AND ENVIRONMENTAL CONTROL.  
 
SCZ044-045-050-052-192130-  
DORCHESTER-INLAND BERKELEY-CHARLESTON-TIDAL BERKELEY-  
423 PM EDT THU APR 18 2024  
 
THE GROUND LEVEL OZONE FORECAST FOR CHARLESTON, BERKELEY AND  
DORCHESTER COUNTIES, INCLUDING THE CHARLESTON METROPOLITAN AREA,  
FOR FRIDAY IS 49 OR CODE GREEN. THIS FALLS IN THE GOOD CATEGORY.  
 
A CODE GREEN FORECAST MEANS NO HEALTH EFFECTS ARE EXPECTED.  
 

 
 
--- AIR QUALITY INDEX TABLE ---  
 
COLOR CODE AIR QUALITY INDEX CODE DESCRIPTION  
--------------------------------------------------------  
GREEN 0-50 GOOD  
YELLOW 51-100 MODERATE  
ORANGE 101-150 UNHEALTHY FOR SENSITIVE GROUPS  
RED 151-200 UNHEALTHY  
PURPLE 201-300 VERY UNHEALTHY  
 
VISIT THE SC DEPT OF HEALTH AND ENVIRONMENTAL CONTROL WEBSITE  
AT HTTP://WWW.DHEC.SC.GOV/OZONE FOR ADDITIONAL INFORMATION  
AND GROUND LEVEL OZONE FORECASTS FOR OTHER AREAS IN SC.  
 

 
 
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