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.

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.

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

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

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 ...

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, ...

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, ...

This time of year sees millions of Aussies struggle with allergies, and one tree in particular is copping the blame.

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

Poor pollination, pests, or lack of sunlight can keep fruit from developing fully, so create a bee-friendly, sunny ...

LEHIGH VALLEY, Pa. - It's the time of year that allergy sufferers dread. The Lehigh Valley area is one of the worst places to be if you have seasonal allergies and the recent windy weather is not ...