Allergies & Pollen Count for Ankeny, Iowa
Today's Condition
Discussion
Pollen concentrations for Tuesday will be falling in the low range. This lower level is caused by falling temperatures, rising humidity, and heavy rains in the morning which tend to wash pollen out of the air. The lower pollen levels are significant and should help allergy sufferers to cope tomorrow.
Allergy Facts
Giant ragweed plants are able to dominate other plants by blocking light from reaching them. One study found that ragweed's canopy is able to reduce light reaching plants beneath it by 95%.