MNN Galleries

12 worst U.S. cities for allergy sufferers

downtown knoxville

Photo: Deidre Woollard/Flickr

3 of 14

Knoxville, Tenn.

Knoxville, Tenn., scores a 99.62 from the AAFA. Knoxville is "worse than average" on both pollen levels and the amount of patients utilizing their medication. Knoxville receives "better than average" rating on the numbers of allergists to patients.