New York and Los Angeles, the nation's two largest cities, are notoriously filthy in their own special ways. New York packs its residents in extra tight for that one-of-a-kind human-density stench, but L.A. does the same with its cars; New York's streets ooze with nasty brown slush in the winter-spring months, but L.A.'s smoggy skyline doesn't look much better in summer.

Readers of Travel + Leisure magazine, however, have deemed our spread-out air dirt as the lesser of two evilsin 2012:

Los Angeles now ranks No. 4 on the survey's annual list of "America's Dirtiest Cities," down from No. 3 last year.

"Voters still found the sunny skies appealing and applauded the city's less-than-gleaming features, such as the classic burgers and kitsch-filled flea markets," explains the magazine.

Read more at the LA Weekly