Several California cities on American Lung Association's Most Polluted Cities list

Zoe Mintz reports on which California cities got included in the American Lung Association's Most Polluted Cities list. Website: http://kpix.com/ YouTube: http://www.youtube.com/CBSSanFrancisco Facebook: https://www.facebook.com/CBSSanFrancisco Instagram: https://www.instagram.com/kpixtv/ Twitter: https://twitter.com/KPIXtv