Pollen Alerts For Groveland, IL

Pollen Index: 9.4 Pollen Level: medium-high Predominant Pollen: Elm, Maple and Poplar/Aspen/Cottonwood. Pollen concentrations for Friday will be falling in the moderate range. This decrease is due to falling temperatures, rising humidity, and expected precipitation in the morning, afternoon and evening which tends to wash pollen out of the air. The lower pollen levels are significant and should help allergy sufferers to cope tomorrow.