084  
AEUS75 KPSR 081822  
AQAPSR  
 
AEUS75 KPSR 081609 AQAPSR AZC013-100400-  
 
AIR QUALITY ALERT RELAYED BY NATIONAL WEATHER SERVICE PHOENIX AZ 909  
AM MST THU MAY 8 2025  
 
...OZONE HIGH POLLUTION ADVISORY FOR MARICOPA COUNTY INCLUDING THE  
PHOENIX METRO AREA ALL TODAY THROUGH FRIDAY...  
 
THE ARIZONA DEPARTMENT OF ENVIRONMENTAL QUALITY (ADEQ) HAS ISSUED AN  
OZONE HIGH POLLUTION ADVISORY FOR THE PHOENIX METRO AREA TODAY  
THROUGH FRIDAY.  
 
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, OLDER ADULTS, AS WELL AS PERSONS WITH RESPIRATORY  
PROBLEMS. A DECREASE IN PHYSICAL ACTIVITY IS RECOMMENDED.  
 
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, VISIT THE ADEQ INTERNET  
SITE AT WWW.AZDEQ.GOV/FORECAST/PHOENIX OR CALL 602-771-2300.  
 

 
 
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