pollen count

American  

noun

1. a count of the amount of pollen in the air, based on the average of the number of pollen grains that collect on slides exposed to the air for a given period of time.

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pollen count British  

noun

1. a measure of the pollen present in the air over a 24-hour period, often published to enable sufferers from hay fever to predict the severity of their attacks

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Etymology

Origin of pollen count

First recorded in 1925–30

Example Sentences

The pollen count tends be lower in cooler and showery weather conditions, so the lack of high temperatures and wall-to-wall sunshine could be a welcome relief to many.

From BBC

In the UK, pollen grains are manually measured to find the daily pollen count.

From Science Daily

The pollen count is set to be high or very high across most of the UK this week - and the NHS website features recommendations on how to manage symptoms, including:

From BBC

Indeed, the severity of allergy symptoms boils down to the pollen count, and how long pollen counts are high.

From Salon

On Feb. 23, D.C. had a pollen count of 2,725 grains per cubic meter of air — the highest daily count for the month of February since the U.S.

From Washington Post