Allergies & Pollen Count for Greenbelt, Maryland
Today's Condition
Discussion
The amount of pollen in the air for Thursday will be falling but will remain in the high range. This relief in pollen levels is caused in part by rising humidity, weak winds and expected precipitation in the morning and evening which tends to wash pollen out of the air.
Allergy Facts
Pigweed is a member of the Amaranth family, a large plant family that consists of 900 species. Pigweed and its relatives (tumbleweed, careless weed and water-hemp, to name just a few) are a frequent cause of allergies in many cities in the United States.