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A measure of the amount of pollen in the air, usually calculated as the average number of pollen grains in a cubic meter or other standard volume over a 24-hour period.
pollen countThe number of pollen grains (ragweed, grass, etc.)/m3 of air.
A greased silicone rod—to which the pollen will stick—is rotated in the air sample of interest. The rod is then washed down and the particles counted, ranging from 2 (low) to 12 (high).
pollen countAllergy medicine An estimate of the number of pollen particles in a standard volume of air
The concentration of grains of pollen found in the atmosphere on a given day in a specific location. The measurement is used by allergy sufferers to forecast the likelihood they will have allergic symptoms, e.g., sneezing, sniffling, or wheezing.
See also: count