Allergies & Pollen for Saint Louis, Missouri
Discussion
Based on past pollen counts and expected weather conditions, pollen levels for Friday will be falling into the very low range. This relief in pollen levels is caused in part by rising humidity, strong winds and heavy rains in the afternoon which tend to wash pollen out of the air.
Allergy Facts
Grasses are a large, diverse group of plants belonging to the family Poaceae, and includes some 8,000 species.