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Southeast PA Ozone/PM2.5 Forecast

Small map of Pennsylvania showing counties involved in the se partnership.
Forecasted AQI for Ozone Air Quality Index Scale Forecasted AQI for PM2.5
April 26, 2015

 

Date: Sunday, April 26, 2015
Action Day?:  No
Discussion:
Sunday will be slightly warmer than Saturday but mostly cloudy as a low pressure system moves by to the south. It should remain dry in Philadelphia, but light northeasterly winds and a period of stagnation in the morning will push particles into the Moderate range.

Extended Forecast

Date

4/26/2015

4/27/2015

Ozone

WHITE

WHITE

PM

YELLOW

GREEN


Extended:
There is a chance of scattered rain showers on Monday. Breezy northwesterly flow will ventilate the atmosphere and return air quality to the Good range. Weak surface high pressure will build into the Mid-Atlantic region on Tuesday. Continued breezy winds will allow Good air quality to persist. -Huff

 

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