Allergies & Pollen Count for Philadelphia, Pennsylvania
Today's Condition
Discussion
Concentration of pollen grains in the air for Tuesday will be unchanged in the extremely low range. This is a result of stable temperatures. This is the relief period for allergy sufferers.
Allergy Facts
The English investigator, Charles Blackley, suspected pollen's role in hay fever when some flowers, shaken in his room, releasing a cloud of pollen dust, caused him to sneeze violently.