Allergies & Pollen Count for Mercer Island, Washington
6Medium
Top Allergens:
Grass, Nettle, Sorrel/Dock
Discussion
Pollen concentrations for Wednesday will be falling in the moderate range. This forecast of lower pollen concentration is based on falling temperatures, rising relative humidity and weaker winds.
Allergy Facts
There was virtually no medical relief for hayfever prior to the 20th century.