MJ Martin (30 Apr 2009)
"Top Five Most Polluted U.S. Cities (3 in CA)"

Top 5 Cities for Ozone Pollution


1. Pittsburgh-New Castle, PA


2. Fresno-Madera, CA


3. Bakersfield, CA


4. Los Angeles-Long Beach-Riverside, CA


5. Birmingham-Hoover-Cullman, AL




http://realestate.yahoo.com/promo/americas-most-polluted- cities.html;_ylc=X3oDMTFudWJ1NHV0BF9TAzI3MTYxNDkEX3MDOTc2