| Location |
Parts Per 2.5mil |
Health |
|---|
| Aberdeen, WA | 17 | Good | | Acadia National Park, ME | 31 | Good | | Adams - Mt. Greylock, MA | 38 | Good | | Aiken-Augusta - SC/GA, SC | 31 | Good | | Albany, NY | 30 | Good | | Albuquerque, NM | 37 | Good | | Amherst, MA | 34 | Good | | Ann Arbor, MI | 32 | Good | | Asheville Ridge Tops (above 4000 feet), NC | 46 | Good | | Asheville Valleys (below 4000 feet), NC | 34 | Good | | Atlanta, GA | 40 | Good | | Auburn, CA | 38 | Good | | Austin, TX | 45 | Good | | Bakersfield, CA | 66 | Moderate | | Baltimore, MD | 28 | Good | | Bangor, ME | 15 | Good | | Base - Whiteface Mountain, NY | 34 | Good | | Baton Rouge 5-Parish Area, LA | 40 | Good | | Bayonne, NJ | 26 | Good | | Beaumont-Port Arthur, TX | 47 | Good | | Bennington, VT | 23 | Good | | Benton Harbor, MI | 30 | Good | | Birmingham, AL | 46 | Good | | Boise, ID | 30 | Good | | Boston, MA | 32 | Good | | Bremerton-Silverdale-Bainbridge Island, WA | 10 | Good | | Bridgeport, CT | 31 | Good | | Brownsville-McAllen, TX | 67 | Moderate | | Buffalo, NY | 18 | Good | | Burlington, VT | 33 | Good | | Camden, NJ | 19 | Good | | Cape Cod and Islands, MA | 36 | Good | | Cascade foothills of east King-Pierce counties, WA | 35 | Good | | Charleston, SC | 48 | Good | | Charlotte, NC | 91 | Moderate | | Chattanooga, TN | 36 | Good | | Cherry Hill, NJ | 19 | Good | | Chicago, IL | 35 | Good | | Cincinnati, OH | 33 | Good | | Claremont, NH | 21 | Good | | Clarksville-Montgomery County, TN | 40 | Good | | Cleveland-Akron-Lorain, OH | 27 | Good | | Coeur dAlene, ID | 9 | Good | | Columbia, SC | 38 | Good | | Columbus, OH | 46 | Good | | Columbus-Phenix City - GA/AL, GA | 32 | Good | | Columbus-Phenix City - GA/AL, AL | 32 | Good | | Concord, CA | 35 | Good | | Concord, NH | 23 | Good | | Conway, NH | 29 | Good | | Corpus Christi, TX | 39 | Good | | Dallas-Fort Worth, TX | 47 | Good | | Danbury, CT | 33 | Good | | Darrington, WA | 11 | Good | | Davis, CA | 40 | Good | | Dayton, OH | 30 | Good | | Denver, CO | 47 | Good | | Derry, NH | 24 | Good | | Des Moines, IA | 29 | Good | | Detroit, MI | 34 | Good | | Dunkirk, NY | 29 | Good | | East Orange, NJ | 26 | Good | | Eastern U.P., MI | 22 | Good | | El Paso, TX | 77 | Moderate | | Elizabeth, NJ | 26 | Good | | Elk Grove, CA | 52 | Moderate | | Eugene/Springfield, OR | 34 | Good | | Evansville, IN | 32 | Good | | Everett-Marysville-Lynnwood, WA | 18 | Good | | Fairfield, CA | 35 | Good | | Fairhaven, MA | 32 | Good | | Fall River, MA | 3 | Good | | Fayetteville, NC | 31 | Good | | Flint, MI | 31 | Good | | Florence/Darlington, SC | 41 | Good | | Folsom, CA | 52 | Moderate | | Fond du Lac, WI | 25 | Good | | Forsyth County-Winston-Salem-Greensboro-High Point, NC | 33 | Good | | Fort Wayne, IN | 25 | Good | | Fremont, CA | 40 | Good | | Fresno, CA | 50 | Good | | Ft. Lauderdale, FL | 33 | Good | | Gardiner, ME | 22 | Good | | Grand Rapids, MI | 26 | Good | | Great Smoky Mtns. Natl. Park - NC, TN | 44 | Good | | Green Bay, WI | 20 | Good | | Greenville-Spartanburg, SC | 43 | Good | | Greenwich, CT | 31 | Good | | Hagerstown, MD | 25 | Good | | Hammond-Gary, IN | 23 | Good | | Hampton Roads, VA | 28 | Good | | Hartford, CT | 29 | Good | | Haverhill, MA | 27 | Good | | Hickory, NC | 39 | Good | | Hilo, HI | 31 | Good | | Hollywood, FL | 68 | Moderate | | Honolulu, HI | 17 | Good | | Houghton Lake, MI | 23 | Good | | Houston-Galveston-Brazoria, TX | 47 | Good | | Howland, ME | 29 | Good | | Huntsville, AL | 25 | Good | | Idaho Falls, ID | 14 | Good | | Imperial Valley, CA | 43 | Good | | Indianapolis, IN | 38 | Good | | Jacksonville, FL | 30 | Good | | Jersey City, NJ | 26 | Good | | Jonesport, ME | 27 | Good | | Kalamazoo, MI | 30 | Good | | Kansas City, MO | 39 | Good | | Keene, NH | 21 | Good | | Kennebunkport, ME | 33 | Good | | Knoxville, TN | 35 | Good | | Kona, HI | 52 | Moderate | | La Crosse, WI | 32 | Good | | Laconia, NH | 29 | Good | | Lakeland, FL | 31 | Good | | Lansing, MI | 25 | Good | | Laredo, TX | 72 | Moderate | | Las Vegas, NV | 157 | Unhealthy | | Lawton, OK | 25 | Good | | Lebanon, NH | 17 | Good | | Lehigh Valley, PA | 27 | Good | | Lewiston, ID | 10 | Good | | Lewiston-Auburn, ME | 18 | Good | | Lexington, KY | 27 | Good | | Liberty/Clairton area, PA | 33 | Good | | Little Rock-North Little Rock, AR | 29 | Good | | Livermore, CA | 35 | Good | | Logan, UT | 48 | Good | | Lompoc, CA | 42 | Good | | Los Angeles Inland, CA | 58 | Moderate | | Los Angeles Metro and Inland Orange Co., CA | 55 | Moderate | | Los Angeles and Orange Co. Coastal, CA | 37 | Good | | Louisville, KY | 33 | Good | | Lovell, ME | 22 | Good | | Ludington, MI | 23 | Good | | Lynn, MA | 34 | Good | | Madison, WI | 23 | Good | | Madison, CT | 30 | Good | | Manchester, NH | 24 | Good | | Memphis, TN | 48 | Good | | Miami, FL | 73 | Moderate | | Middletown, CT | 28 | Good | | Midland-Odessa, TX | 38 | Good | | Millington, MD | 26 | Good | | Millville, NJ | 19 | Good | | Milton - Blue Hill Observatory, MA | 32 | Good | | Milwaukee, WI | 26 | Good | | Minneapolis-St. Paul, MN | 30 | Good | | Mississippi Gulf Coast, MS | 42 | Good | | Mobile, AL | 51 | Moderate | | Modesto, CA | 43 | Good | | Mojave Desert, CA | 49 | Good | | Napa, CA | 45 | Good | | Narragansett, RI | 31 | Good | | Nashua, NH | 25 | Good | | Nashville, TN | 32 | Good | | New Haven, CT | 25 | Good | | New Jersey(Northern), NJ | 34 | Good | | New Jersey(Southern), NJ | 19 | Good | | New Orleans, LA | 38 | Good | | New York City, NY | 27 | Good | | Newark, NJ | 26 | Good | | Newburgh, NY | 27 | Good | | Newbury, MA | 34 | Good | | Niagara Falls, NY | 27 | Good | | Nicks Lake, NY | 27 | Good | | Northern Virginia, VA | 28 | Good | | Oakland, CA | 52 | Moderate | | Oakridge, OR | 12 | Good | | Ogden, UT | 42 | Good | | Ojai, CA | 38 | Good | | Oklahoma City, OK | 47 | Good | | Olympia-Lacey-Tumwater, WA | 14 | Good | | Omaha, NE | 56 | Moderate | | Orlando, FL | 38 | Good | | Oxnard, CA | 34 | Good | | Palm Springs-Coachella Valley, CA | 40 | Good | | Penobscot Nation, ME | 29 | Good | | Pensacola, FL | 48 | Good | | Peoria, IL | 45 | Good | | Perch River, NY | 30 | Good | | Perth Amboy, NJ | 27 | Good | | Philadelphia, PA | 29 | Good | | Phoenix, AZ | 53 | Moderate | | Piru, CA | 36 | Good | | Pittsburgh, PA | 40 | Good | | Placerville, CA | 46 | Good | | Plainfield, NJ | 27 | Good | | Port Angeles, WA | 12 | Good | | Port Clyde, ME | 30 | Good | | Port Townsend, WA | 16 | Good | | Portland, ME | 35 | Good | | Portland, OR | 38 | Good | | Portsmouth, NH | 30 | Good | | Presque Isle, ME | 22 | Good | | Providence, RI | 31 | Good | | Provo, UT | 47 | Good | | Racine-Kenosha, WI | 30 | Good | | Raleigh-Durham-Chapel Hill, NC | 27 | Good | | Ramapo, NJ | 30 | Good | | Redwood City, CA | 40 | Good | | Reno, NV | 44 | Good | | Richmond, VA | 27 | Good | | Rider University, NJ | 21 | Good | | Riverhead, NY | 32 | Good | | Riverside Co. Metro, CA | 57 | Moderate | | Roanoke, VA | 27 | Good | | Rockford, IL | 21 | Good | | Rocky Mount, NC | 27 | Good | | Roseville-Rocklin, CA | 38 | Good | | Rutgers University, NJ | 27 | Good | | Sacramento, CA | 52 | Moderate | | Saginaw, MI | 32 | Good | | Saint Louis, MO | 34 | Good | | Salt Lake City, UT | 47 | Good | | San Antonio, TX | 37 | Good | | San Bernardino Co. Metro, CA | 38 | Good | | San Diego Coast, CA | 38 | Good | | San Diego Foothills, CA | 55 | Moderate | | San Diego Mesa and Inland Valley, CA | 47 | Good | | San Fernando-Santa Clarita Valleys, CA | 58 | Moderate | | San Francisco, CA | 52 | Moderate | | San Jose, CA | 35 | Good | | San Rafael, CA | 45 | Good | | Santa Barbara, CA | 40 | Good | | Santa Maria, CA | 49 | Good | | Santa Rosa, CA | 45 | Good | | Sarasota, FL | 44 | Good | | Seattle-Bellevue-Kent Valley, WA | 27 | Good | | Sheboygan, WI | 19 | Good | | Shelton, WA | 16 | Good | | Shreveport, LA | 38 | Good | | Simi Valley, CA | 49 | Good | | Sipayik, ME | 25 | Good | | South Bend, IN | 14 | Good | | Spokane, WA | 31 | Good | | Springfield, IL | 35 | Good | | Springfield, MA | 30 | Good | | Springfield, MO | 40 | Good | | St. Louis (Metro-east), IL | 47 | Good | | St. Petersburg, FL | 39 | Good | | Stafford, CT | 29 | Good | | Stockton, CA | 35 | Good | | Stow, MA | 25 | Good | | Stratford, CT | 30 | Good | | Susquehanna Valley, PA | 19 | Good | | Syracuse, NY | 15 | Good | | Tacoma-Puyallup, WA | 18 | Good | | Tampa, FL | 43 | Good | | Terre Haute, IN | 35 | Good | | Thousand Oaks, CA | 35 | Good | | Torrington, CT | 33 | Good | | Traverse City, MI | 23 | Good | | Trenton, NJ | 21 | Good | | Tri-Cities, TN | 40 | Good | | Tulsa, OK | 44 | Good | | Twin Falls, ID | 49 | Good | | Tyler-Longview-Marshall, TX | 28 | Good | | Union City, NJ | 26 | Good | | Utica, NY | 16 | Good | | Ventura, CA | 36 | Good | | Victoria, TX | 38 | Good | | Vineland, NJ | 19 | Good | | Visalia, CA | 43 | Good | | Waco-Killeen, TX | 42 | Good | | Ware - Quabbin Summit, MA | 34 | Good | | Washakie Reservation, UT | 41 | Good | | Washington, DC | 28 | Good | | West Buxton, ME | 25 | Good | | West Greenwich, RI | 31 | Good | | West Palm Beach, FL | 64 | Moderate | | Westport, CT | 29 | Good | | White Plains, NY | 17 | Good | | Wilmington, DE | 46 | Good | | Winchester, VA | 14 | Good | | Woodland, CA | 40 | Good | | Worcester, MA | 33 | Good | | York/Chester/Lancaster, SC | 31 | Good |
|
