Pollen Forecast for West Des Moines, Iowa

The amount of pollen in the air for Friday will be falling in the moderate range. Since the weather has a major influence on pollen dispersal, this decrease is due in part to rising humidity and heavy rains in the evening which tend to wash pollen out of the air.

Pollen concentrations for Saturday will be falling in the moderate range. This lower level is caused by falling temperatures and expected precipitation in the morning and evening which tends to wash pollen out of the air.