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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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San Clemente's allergy season varies with proximity to the coast. Coastal breezes help, but residents of San Clemente, CA can still experience significant pollen from February through October, especially during dry, warm spells.
Right now: August brings weed pollen to San Clemente and the start of wildfire season affects air quality.
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 San Clemente 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.
Google UPI 0/5
Air Quality
Unavailable
Live air-quality data is currently unavailable.
Weather
74°F
Sunny · 89% humidity · 5 mph wind
YES
Grass pollen is moderate and wind may stir it up. Sensitive people should take light precautions.
Pollen: Grass pollen risk is medium today; source reading: Google UPI 1/5 (Very Low).
Best hours: 07:00, 20:00-21:00
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.