Allergy season is most severe in the spring — around May — though each season can bring different pollen allergies. Here's what you need to know.

Spring allergies usually happen when pollen counts are at their highest. Here's how to deal with them.

PHILADELPHIA (WPVI) -- The temperatures are up, and so is the tree pollen. People want to get outside, but that might be complicated by seasonal allergies. "Gonna go hang out in a park later today.

Pine tree pollen seems to coat most of the South in sticky yellow gunk every spring. But there are many types of trees that contribute to the seasonal pollen count, which measures how much pollen is ...

Houston is no stranger to high pollen counts, but one expert says the number of high pollen days are increasing at a ...

Imagine trying to tell identical twins apart just by looking at their fingerprints. That's how challenging it can be for scientists to distinguish the tiny powdery pollen grains produced by fir, ...

PHILADELPHIA (WPVI) -- Tree pollen counts have escalated into the "extreme" levels and grass pollen is right behind it, according to The Asthma Center. Allergist Dr. Manav Segal says the extreme tree ...

Spring allergy season, triggered by tree pollen, is underway in Michigan and across the U.S. Common allergy triggers in Michigan include trees like ash, oak, and hickory, as well as certain flowers, ...

Fall allergy season in Arkansas generally peaks in September and October, and continues until around the first frost of the ...