Pollen Season Targets America's Allergy Capitals This Spring
Pollen counts are rising nationwide as tree pollen peaks mid-April in the central U.S. and mid-May in the north, with grass pollen peaking May–July in the South before moving north; the Asthma and Allergy Foundation lists Boise, San Diego, Tulsa, Provo, Rochester, Wichita, Raleigh, Ogden, Spokane, Greenville, San Francisco, Minneapolis, Salt Lake City, Richmond, Colorado Springs, Little Rock, Toledo, New Orleans, Winston-Salem and Lakeland as the hardest-hit cities this year, affecting more than 80 million Americans who suffer from seasonal allergies.