Pollen Forecast for Sioux Rapids, Iowa
Medium-High
Cedar/Juniper, Elm, Maple
Discussion
Pollen concentrations for Thursday will be falling in the moderate range. Since the weather has a major influence on pollen dispersal, this decrease is due in part to falling temperatures, lack of strong winds and expected precipitation in the evening which tends to wash pollen out of the air.
Allergy Facts
Although most elm trees pollinate in the spring, some species flower (shed pollen) in the fall. Chinese elm, which is common in the south and California, pollinates in the late summer through October.