Cleanest U.S. Cities

Each year the American Lung Association issues their "State of the Air" report. They track ozone pollution, short-term particle, and year-round particle pollution listed here. Here are the top 25 U.S. cities with the cleanest air.

Top 25 Cleanest U.S. Cities for Year-round Particle Pollution
#1: Cheyenne, WY
#2: St. George, UT
#2: Santa Fe-Espanola, NM
#4: Prescott, AZ
#4: Farmington, NM
#6: Pocatello, ID
#7: Redding, CA
#8: Tucson, AZ
#9: Flagstaff, AZ
#9: Rapid City, SD
#9: Colorado Springs, CO
#9: Albuquerque, NM
#13: Salinas, CA
#14: Anchorage, AK
#15: Fort Collins-Loveland, CO
#16: Palm Bay-Melbourne-Titusville, FL
#16: Duluth, MN-WI
#18: Reno-Sparks-Fernley, NV
#18: Sarasota-Bradenton-Punta Gorda, FL
#20: Bismarck, ND
#20: Cape Coral-Fort Myers, FL
#22: Bangor, ME
#22: Burlington-South Burlington, VT
#24: Boise City-Nampa, ID
#25: Miami-Fort Lauderdale-Pompano Beach, FL
#25: Lakeland-Winter Haven, FL
#25: Orlando-Deltona-Daytona Beach, FL
Source: State of the Air: 2013, American Lung Association.

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U.S. Cities