FILE - Tree pollen pods lay in a pile at a park in the Dallas suburb of Richardson, Texas, Thursday, March 21, 2024. The Asthma and Allergy Foundation of America issues an annual ranking of the most challenging cities to live in if you have allergies, based on over-the-counter medicine use, pollen counts and the number of available allergy specialists. In 2024, the top five were Wichita, Kansas; Virginia Beach, Virginia; Greenville, South Carolina; Dallas; and Oklahoma City. (AP Photo/LM Otero, File)