[ADEQ Forecasts] ADEQ Daily Air Quality Forecast - Thursday, April 22, 2010

forecasts@lists.azdeq.gov
Wed Apr 21 12:00:13 MST 2010


For more information, please visit our Web page:
http://www.azdeq.gov/ensemble.pdf

For transportation alternatives:
http://www.valleymetro.org


Health message for Wednesday, April 21: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors. 

Health message for Thursday, April 22: No health impacts are expected. 


Synopsis and Discussion
Temperatures continue to slowly drop Wednesday as the cold front associated with a strong trough of low pressure over the western U.S. pushes through Arizona.  Winds are expected to increase later this afternoon across the Valley.  Clouds with spotty light showers will continue through Thursday.  Breaks in the clouds on Thursday could result in a few afternoon desert thunderstorms.  A warming trend will ensue Friday through the weekend as the trough heads east and high pressure returns.  Low 80s are expected this Saturday with highs pushing the lower 90s once again by Sunday and Monday.  

All pollutants dropped into the "Good" range of the Air Quality Index (AQI) ahead of this cold system on Tuesday.  A few isolated pockets of blowing dust could push local particulate concentrations into the "Moderate" category this afternoon.  Any subsequent rain should help improve the air quality.  Ozone will likely return to the "Moderate" range by the weekend as ample sunshine and much warmer temperatures resume. 

Check back on Thursday for more.  Until then, have a good day!  -J.Paul


If you have any questions or comments regarding this forecast please contact:

Arizona Department of Environmental Quality
Office of Communications
1110 W. Washington St., Phoenix, AZ 85007
(602) 771-2215
ms15@azdeq.gov

 
 

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