424  
AEUS75 KPSR 211554  
AQAPSR  
AZC013-230400-  
 
AIR QUALITY ALERT  
NATIONAL WEATHER SERVICE PHOENIX AZ  
854 AM MST FRI APR 21 2017  
 
...HIGH POLLUTION ADVISORY FOR MARICOPA COUNTY INCLUDING THE GREATER  
PHOENIX AREA THROUGH SATURDAY...  
 
THE ARIZONA DEPARTMENT OF ENVIRONMENTAL QUALITY IN PHOENIX HAS  
EXTENDED AN OZONE HIGH POLLUTION ADVISORY FOR THE GREATER PHOENIX  
AREA THROUGH SATURDAY.  
 
THIS MEANS THAT FORECAST WEATHER CONDITIONS COMBINED WITH EXISTING  
OZONE LEVELS ARE EXPECTED TO RESULT IN LOCAL MAXIMUM 8-HOUR OZONE  
CONCENTRATIONS THAT POSE A HEALTH RISK. ADVERSE HEALTH EFFECTS  
INCREASE AS AIR QUALITY DETERIORATES.  
 
OZONE IS AN AIR CONTAMINANT WHICH CAN CAUSE BREATHING DIFFICULTIES  
FOR CHILDREN AS WELL AS PERSONS WITH RESPIRATORY PROBLEMS. A DECREASE  
IN PHYSICAL ACTIVITY IS RECOMMENDED.  
 
IF IT IS A REGULARLY SCHEDULED WORK DAY, YOU ARE URGED TO CAR POOL,  
TELECOMMUTE OR USE MASS TRANSIT.  
 
THE USE OF GASOLINE-POWERED EQUIPMENT SHOULD BE REDUCED OR DONE LATE  
IN THE DAY.  
 
FOR DETAILS ON THIS HIGH POLLUTION ADVISORY FOR MARICOPA COUNTY,  
VISIT THE ADEQ INTERNET SITE AT WWW.AZDEQ.GOV OR CALL 602-771-2367  
FOR RECORDED FORECAST INFORMATION.  
 

 
 
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