What Are Pollen Counts?

pollen counts© iStockphoto / Thinkstock

New technologies allow us to quickly and accurately determine how many grains of a specific pollen or mold are found in a set volume of air (usually a cubic meter) over 24 hours. This information, known as the pollen count, is extremely useful to people with allergies, since it tells them if they are more or less likely to have allergic reactions if they stay outside.

In recent years, an elaborate system has been established to monitor pollen count data in most every community in America. The data is available online, included in most local weather forecasts, and can even be downloaded to your smart phone.

Plus: How Do You Know If You Have a Seasonal Allergy?

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