Allergies & Pollen Count for Crystal Lake, Illinois
Today's Condition
Discussion
Based on past pollen counts and expected weather conditions, pollen levels for Wednesday 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.
Allergy Facts
A recent study conducted in Italy demonstrated that ragweed pollen now occurs in the atmosphere of some Italian cities. This pollen comes from ragweed species that are native to North America which may have been accidentally introduced in Europe.