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Airborne fungi and pollens of the Washington, D.C., metropolitan area

Y Al-Doory, J E Domson, W A Howard

    Annals of Allergy
    |December 1, 1980
    PubMed

    Insights

    Airborne fungi and pollen were surveyed weekly in Washington, D.C. during 1977. Oak, pine, and ragweed were dominant pollens, while Hormodendrum and Aureobasidium were the most prevalent fungi.

    Area of Science:

    • Environmental Science
    • Aerobiology
    • Allergology

    Background:

    • Allergic rhinitis and asthma are frequently caused by airborne allergens.
    • The Washington, D.C. metropolitan area experiences seasonal pollen and mold allergies.

    Purpose of the Study:

    • To identify and quantify airborne fungi and pollen types prevalent in the Washington, D.C. area.
    • To establish a baseline for seasonal allergen distribution throughout 1977.

    Main Methods:

    • Weekly air sampling was conducted over the entire year of 1977.
    • Collected samples were analyzed to determine the types and prevalence of airborne fungi and pollen grains.

    Main Results:

    • Dominant pollen types identified were oak (April), pine (April), and ragweed (September).
    • The most prevalent fungi identified were Hormodendrum (June) and Aureobasidium (March).

    Conclusions:

    • The study identified key allergenic pollens and fungi in the Washington, D.C. area for 1977.
    • Findings provide data for understanding seasonal allergen exposure and potential allergy management strategies.

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