Allergies & Pollen Count for Northfield, Ohio
Today's Condition
Discussion
Concentration of pollen grains in the air for Thursday will be increasing but will stay in the very low range. Since the weather has a major influence on pollen dispersal, this increase is due in part to drier air.
Allergy Facts
About one-third of all people who suffer from allergies experience symptoms six to eight hours following exposure to the allergenic substance. This so-called late phase reaction occurs much later than the immediate irritation and may last up to four hours.