About: Pollen count

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A pollen count is the measurement of the number of grains of pollen in a cubic meter of air. High pollen counts can sometimes lead to increased rates of allergic reaction for those with allergic disorders. Usually, the counts are announced for specific plants such as grass, ash, or olive. These are tailored to common plants in the measured areas. Mild winters with warmer days lead to an increase in pollen counts while colder winters lead to delayed pollen release. In the UK, the public announcement of the pollen count was popularised by Dr. William Frankland, an immunologist.

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  • A pollen count is the measurement of the number of grains of pollen in a cubic meter of air. High pollen counts can sometimes lead to increased rates of allergic reaction for those with allergic disorders. Usually, the counts are announced for specific plants such as grass, ash, or olive. These are tailored to common plants in the measured areas. Mild winters with warmer days lead to an increase in pollen counts while colder winters lead to delayed pollen release. In the UK, the public announcement of the pollen count was popularised by Dr. William Frankland, an immunologist. According to a study by Leonard Bielory, M.D. that was presented to the American College of Allergy, Asthma & Immunology, climate changes are expected to cause pollen counts to more than double by 2040. (en)
  • Pollenräkning (pollenregistrering) innebär att man mäter mängden av olika pollenkorn i luften. Vid pollenregistrering använder man en så kallad pollenfälla som har ett munstycke med en öppning av samma storlek som en näsborre. Genom öppningen sugs det in 10 liter luft per minut in mot ett objektglas eller en tejp. Tejpen sitter på en trumma som roterar så att nya ytor kontinuerligt exponeras för luftströmmen. En gång per dygn tar man ut ett stycke av tejpen motsvarande 24 timmar. I mikroskop analyserar man ett antal tvärband på tejpen. Resultatet för varje pollengrupp anges i regel som dygnsmedelvärde per kubikmeter luft. Pollenräkning har betydelse för pollenallergiker. (sv)
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  • Pollenräkning (pollenregistrering) innebär att man mäter mängden av olika pollenkorn i luften. Vid pollenregistrering använder man en så kallad pollenfälla som har ett munstycke med en öppning av samma storlek som en näsborre. Genom öppningen sugs det in 10 liter luft per minut in mot ett objektglas eller en tejp. Tejpen sitter på en trumma som roterar så att nya ytor kontinuerligt exponeras för luftströmmen. En gång per dygn tar man ut ett stycke av tejpen motsvarande 24 timmar. I mikroskop analyserar man ett antal tvärband på tejpen. Resultatet för varje pollengrupp anges i regel som dygnsmedelvärde per kubikmeter luft. Pollenräkning har betydelse för pollenallergiker. (sv)
  • A pollen count is the measurement of the number of grains of pollen in a cubic meter of air. High pollen counts can sometimes lead to increased rates of allergic reaction for those with allergic disorders. Usually, the counts are announced for specific plants such as grass, ash, or olive. These are tailored to common plants in the measured areas. Mild winters with warmer days lead to an increase in pollen counts while colder winters lead to delayed pollen release. In the UK, the public announcement of the pollen count was popularised by Dr. William Frankland, an immunologist. (en)
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  • Pollen count (en)
  • Pollenräkning (sv)
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