Allergies & Pollen Count for Chambersburg, Illinois
Today's Condition
Discussion
The amount of pollen in the air for Tuesday will be falling but will remain in the high range. The cause for the falling pollen levels is rising humidity and expected precipitation in the evening which tends to wash pollen out of the air.
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%.