The visible yellow pollen comes from pine trees, which are wind-pollinated. Despite its visibility, pine pollen is not the primary cause of spring allergies. Smaller, unseen allergens like oak pollen ...
AI-generated summary reviewed by our newsroom. Read our AI Policy. Pine pollen will peak in the Triangle around March 30, then taper by early April. DEQ reports March days were moderate–high; March 23 ...
Pollen levels are increasing significantly over time in the Seattle-Puget Sound area, marking one of the most affected areas ...
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