Pollen Forecast for Thorndale, Pennsylvania
Medium-High
Maple, Cedar/Juniper, Poplar/Aspen/Cottonwood
Discussion
Based on past pollen counts and expected weather conditions, pollen levels for Thursday will be higher than they were today and extend further into the very high range. This is likely to be caused in part by higher temperatures and the lower dewpoint. If you do suffer from allergies tomorrow could be more difficult.
Allergy Facts
The first modern pollen measurements began in the 1870s. A British physician named Blackley developed a device to help him study grass pollen, enabling him to determine that they are an important cause of hay fever.