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Susquehanna Valley Ozone/PM2.5 Forecast

Small map of Pennsylvania showing counties involved in the sv partnership.
Forecasted AQI for Ozone Air Quality Index Scale Forecasted AQI for PM2.5
April 28, 2015

 

Date: Tuesday, April 28, 2015
Action Day?:  No
Temperature:  middle 60s Tuesday
Discussion:
Brisk levels of mixing will continue on Tuesday with northwest flow with high pressure building in from the Ohio valley. Low levels of ozone and fine particulate will continue with more in the way of sunshine. Partly moonlit and chilly Tuesday night.

Extended:
High pressure will provide a dry day for Wednesday, with this day having the best chance for moderate levels of PM2.5, but ozone will continue to be on the low side. A storm gathering steam along the Carolina coast will then move up the East coast Thursday into Friday and bring some significant rainfall. Right now it appears as though the heaviest will come Thursday night into Friday morning, and with an onshore flow setting up with plenty of cloud cover, ozone and fine particulate will remain low. More moderate air quality will occur with fine particulate and perhaps even ozone over the weekend with high pressure building in, light winds shifting into the southwest, and increasing temperatures and humidity.

 

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