845  
AEUS71 KPBZ 062023  
AQIPBZ  
PAZ014-020>022-029-030-032-072030-  
 
AIR QUALITY FORECAST  
PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION  
RELAYED BY NATIONAL WEATHER SERVICE PITTSBURGH PA  
323 PM EST FRI NOV 6 2009  
 
AIR QUALITY FORECASTS FOR THE SOUTHWEST PA /PITTSBURGH/ REGION AND  
THE LIBERTY/CLAIRTON REGION ARE PROVIDED BY THE PENNSYLVANIA  
DEPARTMENT OF ENVIRONMENTAL PROTECTION.  
 
THIS AIR QUALITY FORECAST IS VALID FOR SATURDAY NOVEMBER 07 2009  
THROUGH MONDAY NOVEMBER 09 2009.  
 
SOUTHWEST PA /PITTSBURGH/ FORECAST.  
 
SATURDAY.  
FINE PARTICULATES... 55 OR CODE YELLOW.  
* THIS FALLS IN THE MODERATE CATEGORY.  
A CODE YELLOW FORECAST MEANS UNUSUALLY SENSITIVE PEOPLE  
SHOULD CONSIDER REDUCING PROLONGED OR HEAVY EXERTION  
OUTDOORS.  
OZONE............... MM / FORECAST NOT AVAILABLE.  
 
SUNDAY.  
FINE PARTICULATES... 60 OR CODE YELLOW.  
* THIS FALLS IN THE MODERATE CATEGORY.  
A CODE YELLOW FORECAST MEANS UNUSUALLY SENSITIVE PEOPLE  
SHOULD CONSIDER REDUCING PROLONGED OR HEAVY EXERTION  
OUTDOORS.  
OZONE............... MM / FORECAST NOT AVAILABLE.  
 
MONDAY.  
FINE PARTICULATES... 70 OR CODE YELLOW.  
* THIS FALLS IN THE MODERATE CATEGORY.  
A CODE YELLOW FORECAST MEANS UNUSUALLY SENSITIVE PEOPLE  
SHOULD CONSIDER REDUCING PROLONGED OR HEAVY EXERTION  
OUTDOORS.  
OZONE............... MM / FORECAST NOT AVAILABLE.  
 
LIBERTY/CLAIRTON FORECAST.  
 
SATURDAY.  
FINE PARTICULATES... 80 OR CODE YELLOW.  
* THIS FALLS IN THE MODERATE CATEGORY.  
A CODE YELLOW FORECAST MEANS UNUSUALLY SENSITIVE PEOPLE  
SHOULD CONSIDER REDUCING PROLONGED OR HEAVY EXERTION  
OUTDOORS.  
OZONE............... MM / FORECAST NOT AVAILABLE.  
 
SUNDAY.  
FINE PARTICULATES... 95 OR CODE YELLOW.  
* THIS FALLS IN THE MODERATE CATEGORY.  
A CODE YELLOW FORECAST MEANS UNUSUALLY SENSITIVE PEOPLE  
SHOULD CONSIDER REDUCING PROLONGED OR HEAVY EXERTION  
OUTDOORS.  
OZONE............... MM / FORECAST NOT AVAILABLE.  
 
MONDAY.  
FINE PARTICULATES... 99 OR CODE YELLOW.  
* THIS FALLS IN THE MODERATE CATEGORY.  
A CODE YELLOW FORECAST MEANS UNUSUALLY SENSITIVE PEOPLE  
SHOULD CONSIDER REDUCING PROLONGED OR HEAVY EXERTION  
OUTDOORS.  
OZONE............... MM / FORECAST NOT AVAILABLE.  
 
THE OZONE FORECAST IS PRODUCED DURING THE WARM SEASON ONLY...  
ROUTINELY BETWEEN LATE APRIL AND MID SEPT. UNSCHEDULED FORECASTS  
MAY BE ISSUED OTHER TIMES OF THE YEAR IF CONDITIONS WARRANT.  
 

 
   
AIR QUALITY INDEX INFORMATION
 
 
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  
MAROON 301+ HAZARDOUS  
-----------------------------------------------------------------  
   
DESCRIPTION OF FORECAST REGIONS
 
 
THE SOUTHWEST PA /PITTSBURGH/ REGION INCLUDES THE FOLLOWING  
COUNTIES...  
ALLEGHENY...ARMSTRONG...BEAVER...BUTLER...FAYETTE...  
WASHINGTON AND WESTMORELAND.  
IT ALSO INCLUDES...  
THE PITTSBURGH METROPOLITAN AREA EXCEPT THE  
LIBERTY/CLAIRTON REGION.  
 
THE LIBERTY/CLAIRTON REGION INCLUDES THE FOLLOWING COUNTIES...  
A SMALL PORTION OF ALLEGHENY SOUTHEAST OF PITTSBURGH.  
IT ALSO INCLUDES...  
THE BOROUGHS OF LIBERTY...CLAIRTON...PORT VUE...  
LINCOLN AND GLASSPORT.  
   
ADDITIONAL AIR QUALITY INFORMATION
 
 
PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION  
WWW.AQPARTNERS.STATE.PA.US  
 
ENVIRONMENTAL PROTECTION AGENCY AIRNOW WEB SITE  
WWW.EPA.GOV/AIRNOW  
 

 
 
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