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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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Weather
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Los Angeles's allergy season varies with proximity to the coast. Coastal breezes help, but residents of Los Angeles, CA can still experience significant pollen from February through October, especially during dry, warm spells.
Right now: September weed pollen continues in Los Angeles. AQI can be poor from wildfire smoke — check both metrics.
Spring
Feb – May
Tree pollen starts early — alder, birch, and oak are primary triggers.
Summer
May – Jul
Grass pollen peaks. Inland valleys see significantly higher counts than the coast.
Fall
Aug – Oct
Ragweed and sagebrush in drier areas. Coastal cities see lower counts.
Ocean breezes near Los Angeles can help clear pollen, but inland valleys trap allergens. Wildfire season also degrades air quality significantly. PollenTracker monitors both pollen and AQI to give you the full picture.
Open another nearby forecast without going back to the map.
CAUTION
Ragweed pollen risk is high (Google UPI 2/5 (Low)) and air quality is fair. Plan outdoor time for the safest hours below.
Pollen: Ragweed pollen risk is high today; source reading: Google UPI 2/5 (Low).
Lower-risk hours: 12:00, 12:00-13:00
Weather
71°F
Sunny · 56% humidity · 6 mph wind