25 Worst Major Cities for Allergies in 2020

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13. New York

Allergen Sensitization Index – 658

New York grabs the second spot when it comes to highest sensitization rates to animals. Warming temperatures in the city have also contributed to lengthening of the pollen allergy season in the city, and it is set to be at record high this year. 

Andrey Bayda/Shutterstock.com

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