Pollen Alerts For Lake Forest, IL

Pollen Index: 9.8 Pollen Level: high Predominant Pollen: Ragweed, Nettle and Chenopods. The quantity of pollen grains in the air for Wednesday will be falling in the moderate range. This lowering of pollen concentrations is a result of falling temperatures, rising humidity, and expected precipitation in the morning and evening which tends to wash pollen out of the air. Relief is in sight.