The American Lung Association’s “State of the Air: 2008″ report released today, found that about 42 percent of residents nationwide live in counties with high levels of particle or ozone pollution. The Association reported that the eight areas considered to be the nation’s most polluted were Los Angeles, Bakersfield, Fresno, Visalia-Porterfield and Hanford-Corcoran, all in California; Washington-Baltimore; St. Louis; and Birmingham, AL. The cleanest cities were Fargo, ND, and Salinas, CA. Find out more about the air wars between California and the Environmental Protection Agency. Watch “Emission Impossible?” on NOW.