Spring allergies are here for 2025, and this map shows which U.S. cities could be hit hardest

Spring is here — and with it comes allergy season. 

Each year, more than 100 million people in the U.S. experience allergies, including seasonal pollen allergies. The Asthma and Allergy Foundation of America has released its annual report for 2025, ranking the most challenging U.S. cities for those dealing with seasonal allergies.

The report ranks the top 100 U.S. cities based on pollen levels, over-the-counter allergy medication use and access to allergists.