Pollen Forecast for Greenbelt, Maryland
Discussion
The quantity of pollen grains in the air for Friday will be increasing over today's levels and extend further into the very high range. The cause for the rising pollen levels is windy conditions. These overall conditions could make it a bit more difficult for those who are allergic to airborne pollens.
Allergy Facts
The box elder tree is the most allergenic of the maple family. It is commonly found in the Midwest.