Respiratory Health Pictures Slideshow: 10 Worst Smog Cities in America

Reviewed by Brunilda Nazario, MD on Monday, May 20, 2013

Photo of a traffic jam.

Photo of El Centro, California.

Photo of Washington, D.C.

Photo of Dallas, TX.

Photo of Houston, TX.

Photo of Sacremento, CA.

Photo of tractor in field.

Photo of Fresno, CA.

Photo of semi truck in Bakersfield.

Photo of Visalia, CA.

Photo of smog in Los Angeles.

Photo of Salt Lake City, UT.

Photo of Fairbanks, Alaska.

Photo of Pittsburgh, PA

Photo of Rapid City, S.D.

Photo of Cape Coral, FL.

Photo of Bismarck, ND.

Photo of a Florida welcome sign.

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