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Gathering pollen, air quality, and weather data for you.
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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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Cincinnati's allergy season is compressed but intense, running from April through October. The flat, agricultural landscape around Cincinnati, OH produces significant grass and ragweed pollen during peak months.
Right now: September is peak ragweed in Cincinnati. A single ragweed plant can release a billion pollen grains per season.
Spring
Apr – May
Tree pollen season is short but intense — oak, elm, and ash dominate.
Summer
May – Jul
Grass pollen peaks in June. Agricultural regions see elevated counts.
Fall
Aug – Oct
Ragweed is the dominant allergen. The Midwest is a major ragweed zone.
The flat terrain near Cincinnati allows pollen to travel long distances on the wind. Cold fronts can temporarily drop counts, but warm spells bring rapid pollen surges. PollenTracker monitors these daily shifts.
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CAUTION
Limit exposure
Ragweed pollen risk is high (Google UPI 3/5 (Moderate)) and air quality is fair. Plan outdoor time for the safest hours below.
Pollen: Ragweed pollen risk is high today; source reading: Google UPI 3/5 (Moderate).
Lower-risk hours: 16:00-18:00
Weather
70°F
Cloudy · 80% humidity · 6 mph wind