Allergies & Pollen Count for River Forest, Illinois
Today's Condition
Discussion
Concentration of pollen grains in the air for Friday will be falling and will remain in the extremely low range. This lower level is caused by falling temperatures, higher dew points and lack of strong winds.
Allergy Facts
Mountain cedar is a preeminent allergen source. This species grows abundantly from the low limestone hills of western Texas to the mountains of central Mexico and sheds pollen copiously from late fall until late winter.