Fall 2026 Allergy Season: Ragweed Pollen Peaks in U.S.
Fall 2026 Allergy Season: Ragweed Pollen Peaks in U.S.
US · Published Oct 19, 2026
• The 2026 fall allergy season is shaping up to be particularly challenging for many Americans, with ragweed pollen emerging as the primary culprit, according to AccuWeather's fall allergy forecast.
• Warm and wet weather conditions, especially in the Southeast and southern Rockies, are contributing to elevated pollen levels.

Impact & Risks

The Southeast and southern Rockies are expected to experience the highest levels of ragweed pollen, with the East and Midwest also seeing prolonged grass pollen seasons. Individuals with allergies, particularly to ragweed, may face heightened symptoms such as sneezing, itchy eyes, and nasal congestion. Children and individuals with asthma are at increased risk of respiratory issues due to airborne allergens like ragweed and mold spores. While dry conditions in the northern U.S. may limit pollen levels, the warm and wet weather in other regions is likely to exacerbate allergy symptoms for many.

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