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Greenwood's allergy season is compressed but intense, running from April through October. The flat, agricultural landscape around Greenwood, IN produces significant grass and ragweed pollen during peak months.
Right now: August kicks off ragweed season in Greenwood. The Midwest is the US ragweed belt — counts can be extreme.
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 Greenwood 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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Weather
64°F
Rainy · 97% humidity · 4 mph wind
Air Quality
Unavailable
Live air-quality data is currently unavailable.
CAUTION
Ragweed pollen is very high, but rain should wash some away. Best to wait until after the rain stops.
Pollen: Ragweed pollen risk is very-high today; source reading: Google UPI 4/5 (High).
Lower-risk hours: 11:00, 13:00-14:00
Some data is estimated or unavailable today.
Hourly pollen risk is estimated from weather trends when no live hourly pollen feed is available.
Informational only. Not medical advice. For health concerns, please consult a qualified healthcare provider. Editorial standards.