DC · Allergy Season Guide
Washington Allergy Season Guide
Washington, DC allergy season guide with local pollen calendar, mold patterns, and PollyMap collection status.
PollyMap is actively looking for a qualified local partner in Washington.
We're recruiting a qualified local allergy clinic — or any clinic that provides allergy care — to become the official pollen collection partner for Washington.
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Test the air at your own home in Washington
No allergy clinic is reporting from Washington yet. Until one does, you can order your own PollyKit — a simple air sampler you hang outdoors or indoors. Send it back and the PollyKit Lab shows you exactly what's floating in your air.
- Pollen from local trees, grasses and weeds
- Airborne mold spores
- Dust mites and other indoor allergens
Hang it outdoors
See which pollen and mold are in your yard this season.
Or hang it indoors
Check bedrooms and living spaces for mold, dust mites and more.
Summary
PollyMap does not yet have weekly collected pollen data for Washington. This guide is based on regional climate patterns and historical allergen data while we recruit a local collection partner. Tree pollen peaks in spring, grass pollen in late spring and early summer, and weed pollen in late summer and fall.
Local allergy guide for Washington
Local weather — temperature, rainfall, wind, and humidity — drives day-to-day pollen levels. Dry, windy days following warm weather typically produce the highest counts, while heavy rain temporarily clears the air.
Washington monthly allergy calendar
Typical month-by-month intensity for the four major airborne allergen categories in Washington.
Frequently asked questions about allergies in Washington
Related guides
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