San Francisco, CA

    Partly Cloudy
    71 °F Feels like 69°

    Rain starts at 1am, clears by 3am. Bring a jacket.

    San Francisco Allergy Forecast

    Pollen category levels, severity, and source attribution for local conditions.

    Current pollen risk

    Moderate

    Updated
    Coverage
    8 forecast periods

    Tree pollen

    Moderate

    35 grains/m3

    Species detail pending

    Grass pollen

    Moderate

    30 grains/m3

    Species detail pending

    Weed pollen

    Low

    7 grains/m3

    Species detail pending

    Moderate

    Tree: Moderate / Grass: Moderate / Weed: Low

    High

    Tree: High / Grass: Low / Weed: Low

    Low

    Tree: Low / Grass: Low / Weed: Low

    Moderate

    Tree: Moderate / Grass: Moderate / Weed: Low

    High

    Tree: High / Grass: Low / Weed: Low

    Low

    Tree: Low / Grass: Low / Weed: Low

    Moderate

    Tree: Moderate / Grass: Moderate / Weed: Low

    High

    Tree: High / Grass: Low / Weed: Low