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Air Quality
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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 Bernardino's allergy season varies with proximity to the coast. Coastal breezes help, but residents of San Bernardino, CA can still experience significant pollen from February through October, especially during dry, warm spells.
Right now: May transitions to grass pollen in San Bernardino. Inland areas see higher counts than coastal neighborhoods.
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 Bernardino 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.
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CAUTION
Limit exposure
Grass pollen is very high and 14 mph wind is making it worse. Keep windows closed and limit outdoor time.
Pollen: Grass pollen is very-high today at 400 grains/m³.
Lower-risk hours: 10:00, 20:00-21:00
Weather
66°F
Partly Cloudy · 35% humidity · 14 mph wind
~5 grains/m³