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.

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

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

Warming temperatures are extending the growing season in Raleigh, giving plants more time to release pollen and making allergy seasons earlier, longer and often worse.

Tree pollen levels are currently "very high" in London, while levels are "high" in areas including Birmingham, Brighton, ...