Metropolitan Areas Most Polluted by Year-Round Particle Pollution (2004)

People at Risk in 25 U.S. Cities Most Polluted by Long-term Particle Pollution (Annual PM 2.5) in 2004:

Los Angeles-Long Beach-Riverside, CA

Visalia-Porterville, CA

Bakersfield, CA

Fresno-Madera, CA

Pittsburgh-New Castle, PA

Detroit-Warren-Flint, MI

Atlanta-Sandy Springs-Gainesville, GA

Cleveland-Akron-Elyria, OH

Hanford-Corcoran, CA

Birmingham-Hoover-Cullman, AL

Cincinnati-Middletown-Wilmington, OH-KY-IN

Knoxville-Sevierville-La Follette, TN

Weirton-Steubenville, WV-OH

Chicago-Naperville-Michigan City, IL-IN-WI

Canton-Massillon, OH

Charleston, WV

Modesto, CA

New York-Newark-Bridgeport, NY-NJ-CT-PA

Merced, CA

St. Louis-St. Charles-Farmington, MO-IL

Washington-Baltimore-Northern Virginia, DC-MD-VA-WV

Louisville-Elizabethtown-Scottsburg, KY-IN

Huntington-Ashland, WV-KY-OH

York-Hanover-Gettysburg, PA

Lancaster, PA & Columbus-Marion-Chillicothe, OH

Source: American Lung Association "State of the Air 2004" report. Reported in Livability Listserv (CDC), Atlanta (GA), Tammy Vehige, M.Ed, CHES (Editor)American Lung Association Air Quality WebsiteAmerican Lung Association State of the Air 2005

Metropolitan Areas Most Polluted by Year-Round Particle Pollution (2004)