Allergies & Pollen Count for Preston, Iowa
Today's Condition
Discussion
The pollen levels for Thursday will be on the increase and extend further into the very high range. This is likely to be caused in part by drier 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.