Come here often? Make XFINITY.com your homepage » close

close

Your XFINITY Connect session has timed out due to inactivity. Click here to go back close

Forbes.com: America's Dirtiest Cities

More from Forbes...

Where do New York City, Sacramento and Los Angeles fall on the list? Click here to find out!

(Spencer Platt/Getty Images)

Ad Info - Ad Feedback

Ad Info - Ad Feedback

Loading...