Just how dirty is the air you breathe? The American Lung Association rates the most polluted cities in the U.S.
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Just how dirty is the air you breathe? The American Lung Association recently released its annual report of the most polluted cities in the U.S. based off levels of ozone, sulfur dioxide, air-borne particulates and tainted tap water. Here are the 20 cities most polluted by year-round particle pollution:
Jewel, who celebrates her 39th birthday on May 23, is just one of several celebrities who go by one name. In honor of the singing star, take a look at other stars who are too big for a last name.