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Allergies & Pollen

Pollen Forecast for Ashburn, Virginia

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4
Low-Medium
Grass
Today
The quantity of pollen grains in the air for Wednesday will be on the increase in the moderate range. Since the weather has a major influence on pollen dispersal, this increase is due in part to seasonally normal weather conditions which are favorable for the production and dispersal of pollen.
Outlook
The pollen levels for Thursday will be falling in the low range. The cause for the falling pollen levels is lack of winds and expected precipitation in the morning, afternoon and evening which tends to wash pollen out of the air.