Pollen count and allergy info for Herndon, 20170, Virginia, United States - The Weather Channel | weather.com

Pollen Breakdown

Do you know which kinds of pollen aggravate your symptoms? Here is the 3 day outlook for the worst offenders.

Tree Pollen

Tonight: None
Tomorrow: None
Sunday: None

Grass Pollen

Tonight: Moderate
Tomorrow: Moderate
Sunday: None

Ragweed Pollen

Tonight: None
Tomorrow: None
Sunday: None

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