Allergies & Pollen Count for Swarthmore, Pennsylvania
Today's Condition
Discussion
The amount of pollen in the air for Tuesday will be on the increase in the high range. This rise is a result of rising temperatures, strong winds and lower relative humidity. The increase of this magnitude could make it more difficult for those with allergies.
Allergy Facts
It is believed that ragweed is successful because of the plant's height and early emergence. These two characteristics allow ragweed to out-compete other plants for soil nutrients and sunlight, the two main needs of plants.