A new study shows that the shape of urban trees affects how pollen travels through the air, which could help cities reduce allergy exposure.

Cedar, elm and maple trees in Oklahoma are causing issues for Oklahomans with allergies, but the worst of it is almost over.

A map shows which states will have the worst pollen counts in 2026.

Recent weather trends could mean very bad news for CT allergy sufferers. Here’s what experts say ...

Warming temperatures are helping make allergy season start earlier, last longer and really just feel worse. (AP Photo) ...

Boston's cold and snowy winter might have an effect on this year's pollen allergy season.

Mississippi's spring allergy season has arrived with high pollen levels. Learn what causes symptoms and how to find relief.

AccuWeather says pollen levels have already started to ramp up in some southern and western states, and the levels will rise in northern states during the spring.

Add Yahoo as a preferred source to see more of our stories on Google. The fight between Oklahoma noses and pollinating trees has reached peak intensity this week, according to allergy forecasts.