Atlanta, GA, home of achoo! ALLERGY, ranks at number 13 on the American Lung Association's bad air list of the most polluted cities in America. As no surprise, Los Angeles, CA tops the list. Pittsburgh comes in at number two, followed by Bakersfield, CA, Birmingham, AL, Detroit, MI and Cleveland, OH.

The rankings are based on ozone pollution levels as well as particle pollution levels. Such pollution can contribute to heart disease, lung cancer, and asthma attacks.