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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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Allen experiences an extended allergy season due to the warm climate, often starting in late January with cedar pollen and lasting through November with ragweed. Residents of Allen, TX deal with some of the highest pollen counts in the country.
Right now: May transitions to grass pollen season in Allen. Bermuda grass is the primary trigger across the region.
Winter–Spring
Jan – May
Cedar fever peaks Jan–Feb. Oak and elm follow in spring.
Summer
May – Aug
Grass pollen dominates, especially Bermuda and Johnson grass.
Fall
Aug – Nov
Ragweed season extends late due to warm temperatures.
The area around Allen is notorious for 'cedar fever' in winter — a challenge unique to this region. PollenTracker monitors cedar, grass, and ragweed levels so you can manage symptoms year-round.
Open another nearby forecast without going back to the map.
NO
Grass pollen is high, air quality is unhealthy (AQI 116), and 9 mph wind is spreading allergens. Stay inside or take full precautions.
Pollen: Grass pollen is high today at 250 grains/m³.
Lower-risk hours: 06:00, 11:00, 20:00
Weather
78°F
Sunny · 82% humidity · 9 mph wind
~5 grains/m³