In L.A., the smog and the traffic makes me hate the place. What's deceiving is that TV and movies always show L.A. to have perfectly clear skies and a nice view. I have never seen L.A. look how they portray it. The land of make-believe has the worst smog of any U.S. city.
http://green.yahoo.com/blog/daily_green_news/44/100-cities-the-best-and-worst-air-quality.html