Daily Pollen Forecast
Pollen Index
Low
Moderate
High
Today’s Worst & Best Cities for Allergies
Updated: 12:25am, Mar 30, 2025
Low Allergen Cities
High Allergen Cities
Allentown, PA
High
Columbia, SC
High
Knoxville, TN
High
Spokane, WA
High
Greensboro, NC
High
Salem, OR
High
Pollen Forecast by City
Little Rock
High
Santa Barbara
High
Bakersfield
High
Sacramento
High
Fresno
High
Los Angeles
High
San Diego
High
San Francisco
High
San Jose
High
Frequently Asked Questions
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When is pollen season?
In most of the United States, allergies tend to peak from February to early summer. However, this can vary depending on your location, the climate, and pollen type. In more tropical areas, pollen season lasts much longer, making allergies a year-round problem.
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What are the symptoms I might experience on high pollen counts?
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What time of the day is pollen count the highest and lowest?
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Does the weather affect pollen count?
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How does pollen count vary by location?