Weather plays a direct role in the severity and length of the allergy season, and it plays a direct role on a day-to-day basis.
Know the weather, and you can determine the pollen levels.
First, when you hear or read the daily pollen or mold count, know that it's yesterday's count. It represents the samples taken during the previous 24 hours.
The report is then given as low, moderate or high. These levels represent your risk of developing allergy symptoms. So if it is high, you have a higher chance of having symptoms.
Weather affects the pollen and mold counts. Air temperature, wind speed, and humidity all affect how much pollen and mold is airborne at a particular moment.
*Hot, dry, windy days generally mean more pollen and mold is in the air.
*Pollen levels tend to be lower on rainy, cloudy or windless days.
*Rain tends to wash pollens from the air. Smaller raindrops are more efficient at cleansing the air than larger droplets. So a gentle, longer rain shower tends to do a better job than a brief, intense thunderstorm. Actually, some thunderstorms can stir more pollen into the air.
*Peak pollen times for many grasses tend to be early morning and early evening.
*Peak pollen release for other plants tends to be midday and afternoon.
*Pollen counts fall during times of higher humidity and rise during low humidity.
*The warmer the temperature, the greater the pollen. Warmer air encourages pollination. Colder air discourages it.
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