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Gathering pollen, air quality, and weather data for you.
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Pollen Level
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Air Quality
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Gathering pollen, air quality, and weather data for you.
Gathering pollen, air quality, and weather data for you.
Pollen Level
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Air Quality
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Weather
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Wilmington's allergy season typically runs from March through October, with two distinct peaks. Tree pollen surges in spring, then ragweed takes over in late summer. Understanding these patterns helps residents of Wilmington, DE plan outdoor activities and manage symptoms.
Right now: June is peak grass pollen season in Wilmington. Morning hours typically have the highest counts.
Spring
Mar – May
Oak, birch, and maple tree pollen peak. Highest risk in April–May.
Summer
May – Jul
Grass pollen dominates. Humid days can elevate mold spore counts.
Fall
Aug – Oct
Ragweed season. Second major peak for allergy sufferers.
Coastal breezes near Wilmington can provide temporary relief, but spring nor'easters often redistribute pollen across wide areas. PollenTracker monitors these daily shifts so you know when it's safe to head outside.
Open another nearby forecast without going back to the map.
CAUTION
Grass pollen is high (250 grains/m³) and air quality is fair. Plan outdoor time for the safest hours below.
Pollen: Grass pollen is high today at 250 grains/m³.
Lower-risk hours: 13:00, 18:00, 21:00
Weather
75°F
Cloudy · 84% humidity · 9 mph wind
~5 grains/m³