Noun
the number of pollen grains (usually ragweed) in a standard volume of air over a twenty-four hour period and a specified time and place
Source: WordNetIf you live in an area with a high pollen count but aren't allergic to those particular pollens, you won't have a problem. Source: Internet
Occasionally you may have noticed a pollen count staying exactly the same a few days in a row. Source: Internet