pollen count

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pollen count

n.
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 count

The number of pollen grains (ragweed, grass, etc.)/m3 of air.

Method
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 count

Allergy medicine An estimate of the number of pollen particles in a standard volume of air

pollen count

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
References in periodicals archive ?
He said, 'The pollen count normally peaks between this week and next week, the middle of June is the peak of the grass pollen season.
Check the pollen count before you go out - measured by the average number of pollen grains per cubic metre of air.
These are too small to show up on pollen counts, but they lodge in asthma sufferers' lungs and trigger attacks, Jacobson said.
Preparing for the summer well in advance is the best tip - if you're going to take a course of treatment, starting doing so in May in readiness for Tips for hay fever sufferers# In the summer stay inside between 5pm and 7pm, when pollen counts are usually high.
This period is the time frame with the highest average ragweed pollen counts at each trial site.
Coastal regions have the lowest pollen counts as the wind disperses it inland or out to sea.
Visits to her clinic correlated with the up-and-down pollen counts from mid-May through June.
HAY fever sufferers were heading for the chemists yesterday as pollen counts hit the high spots.
When the windows are open, indoor pollen counts can be as high as 40 to 80 percent of the outdoor levels in the home and 55 to 95 percent in a car, depending on whether you're in the front or back seat,'' he said.