| Location |
Parts Per 2.5mil |
Health |
|---|
| Aberdeen, WA | | Good | | Acadia National Park, ME | | Good | | Adams - Mt. Greylock, MA | | Moderate | | Albany, NY | | Moderate | | Albuquerque, NM | | Good | | Amherst, MA | | Good | | Ann Arbor, MI | | Good | | Antelope Vly, CA | | Good | | Anza Vly, CA | | Good | | Asheville Valleys (below 4000 feet), NC | | Moderate | | Atascadero, CA | | Good | | Atlanta, GA | | Moderate | | Auburn, CA | | Good | | Austin, TX | | Good | | Bakersfield, CA | | Good | | Baltimore, MD | | Moderate | | Bangor, ME | | Good | | Banning, CA | | Good | | Barstow, CA | | Good | | Base - Whiteface Mountain, NY | | Good | | Baton Rouge Area, LA | | Moderate | | Beaumont-Port Arthur, TX | | Good | | Bellingham, WA | | Good | | Bennington, VT | | Good | | Benton Harbor, MI | | Good | | Big Bear Lake, CA | | Good | | Birmingham, AL | | Moderate | | Boise, ID | | Good | | Boston, MA | | Moderate | | Bremerton-Silverdale-Bainbridge Island, WA | | Good | | Bridgeport, CT | | Moderate | | Brigantine, NJ | | Good | | Brownsville-McAllen, TX | | Good | | Buffalo, NY | | Good | | Burlington, VT | | Good | | C San Bernardino M, CA | | Good | | C San Bernardino-1, CA | | Good | | C San Bernardino-2, CA | | Good | | Camden, NJ | | Good | | Cape Cod and Islands, MA | | Good | | Capistrano Vly, CA | | Good | | Carrizo Plains, CA | | Good | | Cascade foothills of east King-Pierce counties, WA | | Good | | Central Coastal, CA | | Good | | Central LA CO, CA | | Moderate | | Central Orange-1, CA | | Moderate | | Central Orange-2, CA | | Moderate | | Charlotte, NC | | Moderate | | Chattanooga, TN | | Moderate | | Chester, NJ | | Good | | Chicago, IL | | Good | | Chico, CA | | Good | | Cincinnati, OH | | Moderate | | Clarksboro, NJ | | Good | | Clarksville-Montgomery County, TN | | Moderate | | Cleveland-Akron-Lorain, OH | | Moderate | | Coachella Vly, CA | | Good | | Coeur dAlene, ID | | Good | | Colorado Springs, CO | | Good | | Columbus, OH | | Moderate | | Columbus-Phenix City - GA/AL, AL | | Moderate | | Columbus-Phenix City - GA/AL, GA | | Moderate | | Concord, CA | | Good | | Concord, NH | | Good | | Conway, NH | | Good | | Corpus Christi, TX | | Good | | Dallas-Fort Worth, TX | | Good | | Danbury, CT | | Moderate | | Darrington, WA | | Good | | Davis, CA | | Good | | Dayton, OH | | Moderate | | Denver, CO | | Good | | Detroit, MI | | Good | | Dona Ana County, NM | | Good | | Dunkirk, NY | | Good | | E San Bernardino, CA | | Good | | E San Fernando Vly, CA | | Moderate | | E San Gabriel V-1, CA | | Good | | E San Gabriel V-2, CA | | Good | | East Riverside CO, CA | | Good | | El Paso, TX | | Good | | Elk Grove, CA | | Moderate | | Eugene/Springfield, OR | | Good | | Fairfield, CA | | Good | | Fairhaven, MA | | Good | | Fall River, MA | | Good | | Fayetteville, NC | | Moderate | | Flemington, NJ | | Good | | Flint, MI | | Good | | Folsom, CA | | Moderate | | Fond du Lac, WI | | Good | | Forsyth County-Winston-Salem-Greensboro-High Point, NC | | Moderate | | Fort Lee, NJ | | Good | | Fremont, CA | | Good | | Fresno, CA | | Moderate | | Ft. Lauderdale, FL | | Good | | Gardiner, ME | | Good | | Great Smoky Mtns. Natl. Park - NC, TN | | Moderate | | Greeley, CO | | Good | | Green Bay, WI | | Good | | Gridley, CA | | Good | | Hagerstown, MD | | Moderate | | Hanford, CA | | Good | | Hartford, CT | | Moderate | | Haverhill, MA | | Moderate | | Hemet/San Jacinto, CA | | Good | | Hesperia, CA | | Good | | Hickory, NC | | Good | | Holden, ME | | Good | | Hollywood, FL | | Good | | Houghton Lake, MI | | Good | | Houston-Galveston-Brazoria, TX | | Good | | Huntsville, AL | | Good | | Jacksonville, FL | | Good | | Jonesport, ME | | Good | | Kalamazoo, MI | | Good | | Keene, NH | | Good | | Kennebunkport, ME | | Good | | Klamath Falls, OR | | Moderate | | Knoxville, TN | | Moderate | | Kona, HI | | Moderate | | La Crosse, WI | | Good | | Laconia, NH | | Good | | Lafayette, LA | | Good | | Lake Charles, LA | | Good | | Lake Elsinore, CA | | Good | | Lakeland, FL | | Good | | Lansing, MI | | Good | | Laredo, TX | | Good | | Las Vegas, NV | | Good | | Lawton, OK | | Good | | Lebanon, NH | | Good | | Lehigh Valley, PA | | Moderate | | Lewiston, ID | | Good | | Lewiston-Auburn, ME | | Good | | Lexington, KY | | Good | | Liberty/Clairton area, PA | | UnhealthySG | | Little Rock-North Little Rock, AR | | Moderate | | Livermore, CA | | Good | | Lompoc, CA | | Good | | Louisville, KY | | Moderate | | Lovell, ME | | Good | | Ludington, MI | | Good | | Lynn, MA | | Good | | Madison, WI | | Good | | Mammoth Cave National Park, KY | | Good | | Manchester, NH | | Moderate | | Memphis, TN | | Moderate | | Mendocino County, CA | | Good | | Merced, CA | | Good | | Metro Riverside CO, CA | | Moderate | | Miami, FL | | Good | | Midland-Odessa, TX | | Good | | Millington, MD | | Good | | Millville, NJ | | Moderate | | Milton - Blue Hill Observatory, MA | | Good | | Milwaukee, WI | | Good | | Minneapolis-St. Paul, MN | | Good | | Modesto, CA | | Moderate | | Monmouth, NJ | | Good | | Monroe, LA | | Good | | Morro Bay, CA | | Good | | Mount Vernon, WA | | Good | | Mountain View, HI | | Good | | N Coastal Orange, CA | | Good | | Napa, CA | | Good | | Narragansett, RI | | Moderate | | Nashua, NH | | Moderate | | Nashville, TN | | Moderate | | New Brunswick, NJ | | Good | | New Haven, CT | | Moderate | | New Jersey Highlands, NJ | | Good | | New Orleans, LA | | Moderate | | New York City, NY | | Moderate | | Newark, NJ | | Moderate | | Newburgh, NY | | Good | | Newbury, MA | | Good | | Niagara Falls, NY | | Good | | Nicks Lake, NY | | Good | | Nipomo, CA | | Good | | Norco/Corona, CA | | Moderate | | North Orange CO, CA | | Good | | Northern Virginia, VA | | Moderate | | NW Coastal LA, CA | | Good | | NW San Bernardino, CA | | Moderate | | Oakland, CA | | Good | | Oakridge, OR | | UnhealthySG | | Ocean County/Colliers Mills, NJ | | Good | | Ogden, UT | | Good | | Ojai, CA | | Good | | Oklahoma City, OK | | Good | | Olympia-Lacey-Tumwater, WA | | Good | | Orlando, FL | | Moderate | | Oxnard, CA | | Good | | Pahala, HI | | Moderate | | Paradise, CA | | Good | | Paso Robles, CA | | Good | | Penobscot Nation, ME | | Good | | Pensacola, FL | | Moderate | | Peoria, IL | | Good | | Perch River, NY | | Good | | Perris Vly, CA | | Good | | Phelan, CA | | Good | | Philadelphia, PA | | Moderate | | Phoenix, AZ | | Good | | Pinnacle State Park, NY | | Good | | Piru, CA | | Good | | Pittsburgh, PA | | Moderate | | Pittsfield, MA | | Moderate | | Placerville, CA | | Good | | Pocatello, ID | | Good | | Pomona Walnut Vly, CA | | Good | | Port Angeles, WA | | Good | | Port Clyde, ME | | Good | | Port Townsend, WA | | Good | | Portland, ME | | Good | | Portland, OR | | Good | | Portsmouth, NH | | Moderate | | Presque Isle, ME | | Good | | Providence, RI | | Moderate | | Provo, UT | | Good | | Raleigh-Durham-Chapel Hill, NC | | Moderate | | Ramapo, NJ | | Good | | Red Hills, CA | | Good | | Redding, CA | | Good | | Redwood City, CA | | Good | | Reno, NV | | Good | | Richmond, VA | | Good | | Rider University, NJ | | Moderate | | Rio Vista, CA | | Good | | Riverhead, NY | | Good | | Roanoke, VA | | Moderate | | Rochester, MN | | Good | | Rock Island-Moline, IL | | Good | | Rockford, IL | | Good | | Rocky Mountain National Park, CO | | Good | | Roseville-Rocklin, CA | | Good | | Rutland, VT | | Moderate | | S Central LA CO, CA | | Good | | S San Gabriel Vly, CA | | Good | | Sacramento, CA | | Moderate | | Saddleback Vly, CA | | Good | | Saginaw, MI | | Good | | Saint Louis, MO | | Good | | Salt Lake City, UT | | Good | | San Antonio, TX | | Good | | San Diego Coast, CA | | Moderate | | San Diego Foothills, CA | | Good | | San Diego Mesa and Inland Valley, CA | | Good | | San Francisco, CA | | Good | | San Gabriel Mts, CA | | Good | | San Jose, CA | | Good | | San Juan County, NM | | Good | | San Luis Obispo, CA | | Good | | San Rafael, CA | | Good | | Santa Barbara, CA | | Good | | Santa Clarita Vly, CA | | Good | | Santa Maria, CA | | Good | | Santa Rosa, CA | | Good | | Seattle-Bellevue-Kent Valley, WA | | Good | | Sequoia/Kings Canyon National Parks, CA | | Good | | Sheboygan, WI | | Good | | Shelton, WA | | Moderate | | Shreveport, LA | | Good | | Simi Valley, CA | | Good | | Sipayik, ME | | Good | | South Coastal LA, CA | | Good | | Southeast LA CO, CA | | Good | | Spokane, WA | | Good | | Springfield, IL | | Moderate | | Springfield, MA | | Moderate | | St. Louis (Metro-east), IL | | Moderate | | St. Petersburg, FL | | Moderate | | Stockton, CA | | Good | | Stow, MA | | Good | | Susquehanna Valley, PA | | Moderate | | SW Coastal LA, CA | | Good | | SW San Bernardino, CA | | Moderate | | Syracuse, NY | | Good | | Tacoma-Puyallup, WA | | Good | | Tampa, FL | | Moderate | | Temecula Vly, CA | | Good | | Thibodaux, LA | | Good | | Thousand Oaks, CA | | Good | | Torrington, CT | | Good | | Traverse City, MI | | Good | | Tri-Cities, TN | | Moderate | | Trona, CA | | Good | | Tulsa, OK | | Good | | Twentynine Palms, CA | | Good | | Twin Falls, ID | | Good | | Tyler-Longview-Marshall, TX | | Good | | Utica, NY | | Good | | Vacaville, CA | | Good | | Victoria, TX | | Good | | Victorville, CA | | Good | | Visalia, CA | | Good | | W San Bernardino M, CA | | Moderate | | W San Fernando Vly, CA | | Good | | W San Gabriel Vly, CA | | Good | | Waco-Killeen, TX | | Good | | Ware - Quabbin Summit, MA | | Good | | Washakie Reservation, UT | | Good | | Washington, DC | | Moderate | | West Buxton, ME | | Good | | West Greenwich, RI | | Good | | West Palm Beach, FL | | Good | | Western Nevada County, CA | | Good | | Wilmington, DE | | Good | | Winchester, VA | | Moderate | | Woodland, CA | | Good | | Worcester, MA | | Moderate | | Yosemite National Park, CA | | Good | | Youngstown, OH | | Moderate |
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