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National Air Quality Summary

Tomorrow's forecast is generally available by 4:15 pm EDT.

Current Air Quality Conditions Nationwide: Ozone | Particles (PM2.5)

Green  0 - 50

Good
 Yellow  51 - 100

Moderate
 Orange  101 - 150
Unhealthy for Sensitive Groups
 Red  151 - 200

Unhealthy
 Purple  201 - 300

Very Unhealthy
 Maroon  301 - 500

Hazardous
 Action Day Action Day
click on the icon in city forecast area for more details
Location Current AQI Forecast
City / State Monday
September 15
Monday
September 15
Tuesday
September 16
Aberdeen, WA N/A
Ozone Good
Ozone Good
Acadia National Park, ME
OZONE 19 Good
PM2.5 17 Good
Ozone Good
Ozone Good
Aiken-Augusta - SC/GA, GA
OZONE 29 Good
PM2.5 48 Good
Ozone Good
Ozone Good
Aiken-Augusta - SC/GA, SC
OZONE 29 Good
PM2.5 48 Good
Ozone Good
Ozone Good
Albany, NY
OZONE 16 Good
PM2.5 2 Good
Ozone Good
Ozone Good
Albuquerque, NM
OZONE 44 Good
PM2.5 19 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Ann Arbor, MI
OZONE 19 Good
PM2.5 10 Good
Ozone Good
Ozone Good
Asheville Ridge Tops (above 4000 feet), NC
OZONE 27 Good
Ozone Good
Ozone Good
Asheville Valleys (below 4000 feet), NC
OZONE 24 Good
PM2.5 20 Good
Ozone Good
Ozone Good
Atlanta, GA
OZONE 31 Good
PM2.5 41 Good
Ozone Good
Ozone Good
Atlantic City, NJ N/A
Particles (PM2.5) Good
Particles (PM2.5) Good
Auburn, CA
OZONE 74 Moderate
PM2.5 42 Good
Ozone Unhealthy for Sensitive Groups
Ozone Moderate
Aurora/Elgin, IL Forecast program not in place. Select city or national park for current conditions.
Austin, TX
OZONE 32 Good
PM2.5 7 Good
Ozone Good
Ozone Good
Bakersfield, CA
OZONE 130 Unhealthy for Sensitive Groups
PM2.5 77 Moderate
Ozone Unhealthy
Ozone Unhealthy for Sensitive Groups
Baltimore, MD
OZONE 33 Good
PM2.5 30 Good
Particles (PM2.5) Moderate
Ozone Good
Bangor, ME
OZONE 17 Good
PM2.5 25 Good
Ozone Good
Ozone Good
Base - Whiteface Mountain, NY
OZONE 15 Good
Ozone Good
Ozone Good
Baton Rouge Area, LA
OZONE 21 Good
PM2.5 19 Good
Ozone Good
Ozone Good
Bayonne, NJ
OZONE 18 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Beaumont-Port Arthur, TX N/A
Ozone Good
Ozone Good
Bellingham, WA N/A
Ozone Good
Ozone Good
Bennington, VT
OZONE 16 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Benton Harbor, MI
OZONE 21 Good
PM2.5 11 Good
Ozone Good
Ozone Good
Big Bend National Park, TX Forecast program not in place. Select city or national park for current conditions.
Birmingham, AL
OZONE 23 Good
PM2.5 27 Good
Ozone Good
Particles (PM2.5) Good
Boise, ID
OZONE 44 Good
PM2.5 32 Good
Ozone Good
Ozone Good
Boston, MA
OZONE 17 Good
PM2.5 11 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Bremerton-Silverdale-Bainbridge Island, WA N/A
Ozone Good
Ozone Good
Bridgeport, CT
OZONE 27 Good
Ozone Good
Ozone Good
Brownsville-McAllen, TX
OZONE 28 Good
PM2.5 22 Good
Ozone Good
Ozone Good
Buffalo, NY
OZONE 17 Good
PM2.5 18 Good
Ozone Good
Particles (PM2.5) Good
Burlington, VT
OZONE 13 Good
PM2.5 7 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Camden, NJ
OZONE 23 Good
PM2.5 30 Good
Particles (PM2.5) Good
Ozone Good
Canton/Massillon, OH Forecast program not in place. Select city or national park for current conditions.
Canyonlands National Park, UT Forecast program not in place. Select city or national park for current conditions.
Cape Cod and Islands, MA
OZONE 29 Good
Ozone Good
Particles (PM2.5) Good
Cascade foothills of east King-Pierce counties, WA N/A
Ozone Moderate
Ozone Moderate
Charlotte, NC
OZONE 26 Good
PM2.5 24 Good
Ozone Good
Ozone Good
Chattanooga, TN
OZONE 20 Good
PM2.5 30 Good
Particles (PM2.5) Good
Ozone Good
Cherry Hill, NJ
OZONE 23 Good
PM2.5 30 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Chicago, IL
OZONE 17 Good
PM2.5 28 Good
Particles (PM2.5) Good
Ozone Good
Chiricahua National Park, AZ Forecast program not in place. Select city or national park for current conditions.
Cincinnati, OH
OZONE 19 Good
PM2.5 45 Good
Particles (PM2.5) Good
Ozone Good
Claremont, NH
OZONE 15 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Clarksville-Montgomery County, TN
OZONE 26 Good
PM2.5 49 Good
Particles (PM2.5) Good
N/A
Cleveland-Akron-Lorain, OH
OZONE 23 Good
PM2.5 37 Good
Particles (PM2.5) Good
Ozone Good
Clifton, NJ N/A
Particles (PM2.5) Good
Particles (PM2.5) Good
Coeur d'Alene, ID
OZONE 45 Good
PM2.5 8 Good
Ozone Good
Ozone Good
Colorado Springs, CO Forecast program not in place. Select city or national park for current conditions.
Columbia, SC
OZONE 21 Good
Ozone Good
Ozone Good
Columbus, OH
OZONE 21 Good
PM2.5 26 Good
Particles (PM2.5) Good
Ozone Good
Columbus-Phenix City - GA/AL, AL
OZONE 18 Good
PM2.5 27 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Columbus-Phenix City - GA/AL, GA
OZONE 18 Good
PM2.5 27 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Concord, CA
OZONE 43 Good
PM2.5 53 Moderate
Ozone Moderate
Particles (PM2.5) Good
Concord, NH N/A
Particles (PM2.5) Good
Particles (PM2.5) Good
Conway, NH
OZONE 18 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Corpus Christi, TX
OZONE 33 Good
Ozone Good
Ozone Good
Cowpens National Battlefield, SC Forecast program not in place. Select city or national park for current conditions.
Craters of the Moon National Park, ID Forecast program not in place. Select city or national park for current conditions.
Dallas-Fort Worth, TX
OZONE 32 Good
PM2.5 11 Good
Ozone Good
Ozone Good
Danbury, CT
OZONE 22 Good
PM2.5 12 Good
Ozone Good
Ozone Good
Darrington, WA N/A
Ozone Good
Ozone Good
Davenport-Rock Island-Moline Urbanized Area, IA Forecast program not in place. Select city or national park for current conditions.
Davenport-Rock Island-Moline Urbanized Area, IL Forecast program not in place. Select city or national park for current conditions.
Davis, CA
OZONE 62 Moderate
PM2.5 37 Good
Ozone Moderate
Ozone Good
Dayton, OH
OZONE 15 Good
PM2.5 20 Good
Particles (PM2.5) Good
Ozone Good
Denver, CO
OZONE 41 Good
PM2.5 31 Good
Ozone Good
Ozone Good
Derry, NH
OZONE 17 Good
PM2.5 8 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Des Moines, IA
OZONE 18 Good
PM2.5 18 Good
Ozone Good
Ozone Good
Detroit, MI
OZONE 19 Good
PM2.5 14 Good
Ozone Good
Ozone Good
East Orange, NJ
OZONE 18 Good
Particles (PM2.5) Moderate
Particles (PM2.5) Good
Eastern U.P., MI
OZONE 15 Good
PM2.5 10 Good
Ozone Good
Ozone Good
El Paso, TX
OZONE 29 Good
PM2.5 25 Good
Ozone Good
Ozone Good
Elizabeth, NJ
OZONE 18 Good
PM2.5 3 Good
Particles (PM2.5) Moderate
Particles (PM2.5) Good
Elk Grove, CA
OZONE 103 Unhealthy for Sensitive Groups
PM2.5 61 Moderate
Ozone Unhealthy for Sensitive Groups
Ozone Moderate
Eugene/Springfield, OR
OZONE 48 Good
PM2.5 43 Good
Ozone Good
Ozone Good
Eugene/Springfield, OR
OZONE 48 Good
PM2.5 43 Good
Particles (PM2.5) Good
Ozone Good
Evansville, IN
OZONE 20 Good
PM2.5 30 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Everett-Marysville-Lynnwood, WA N/A
Ozone Good
Ozone Good
Everglades National Park, FL Forecast program not in place. Select city or national park for current conditions.
Fairfield, CA
OZONE 43 Good
PM2.5 53 Moderate
Ozone Moderate
Particles (PM2.5) Good
Fall River, MA
PM2.5 14 Good
Ozone Good
Particles (PM2.5) Good
Fayetteville, NC
OZONE 27 Good
PM2.5 24 Good
Ozone Good
Particles (PM2.5) Good
Flint, MI
OZONE 16 Good
PM2.5 13 Good
Ozone Good
Ozone Good
Florence/Darlington, SC
OZONE 25 Good
PM2.5 41 Good
Ozone Good
Ozone Good
Folsom, CA
OZONE 103 Unhealthy for Sensitive Groups
PM2.5 61 Moderate
Ozone Unhealthy for Sensitive Groups
Ozone Moderate
Fond du Lac, WI
OZONE 17 Good
Ozone Good
Ozone Good
Forsyth County-Winston-Salem-Greensboro-High Point, NC
OZONE 27 Good
PM2.5 26 Good
Ozone Good
Particles (PM2.5) Good
Fort Wayne, IN
OZONE 16 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Fremont, CA
OZONE 28 Good
PM2.5 55 Moderate
Particles (PM2.5) Good
Particles (PM2.5) Good
Fresno, CA
OZONE 107 Unhealthy for Sensitive Groups
PM2.5 69 Moderate
Ozone Unhealthy for Sensitive Groups
Ozone Unhealthy for Sensitive Groups
Ft. Lauderdale, FL
OZONE 10 Good
Ozone Good
Ozone Good
Gardiner, ME
OZONE 16 Good
Ozone Good
Ozone Good
Grand Canyon National Park, AZ Forecast program not in place. Select city or national park for current conditions.
Grand Rapids, MI
OZONE 21 Good
PM2.5 16 Good
Ozone Good
Ozone Good
Great Basin National Park, NV Forecast program not in place. Select city or national park for current conditions.
Great Smoky Mtns. Natl. Park - NC, TN
OZONE 35 Good
PM2.5 30 Good
Particles (PM2.5) Good
Ozone Good
Green Bay, WI
OZONE 14 Good
Ozone Good
Ozone Good
Greenville-Spartanburg, SC
OZONE 28 Good
PM2.5 17 Good
Ozone Good
Ozone Good
Hackensack, NJ N/A
Particles (PM2.5) Moderate
Particles (PM2.5) Good
Hagerstown, MD
OZONE 24 Good
PM2.5 26 Good
Particles (PM2.5) Good
Ozone Good
Hammond-Gary, IN
OZONE 21 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Hampton Roads, VA
OZONE 37 Good
PM2.5 22 Good
Ozone Moderate
Ozone Good
Hanford, CA
PM2.5 58 Moderate
Ozone Unhealthy for Sensitive Groups
Ozone Unhealthy for Sensitive Groups
Hartford, CT
OZONE 20 Good
PM2.5 9 Good
Particles (PM2.5) Good
Ozone Good
Haverhill, MA
OZONE 19 Good
PM2.5 9 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Haverhill, NH N/A
Particles (PM2.5) Good
Particles (PM2.5) Good
Hawaii Volcanoes National Park, HI Forecast program not in place. Select city or national park for current conditions.
Hickory, NC
OZONE 27 Good
PM2.5 22 Good
Ozone Good
Ozone Good
Hilo, HI
PM2.5 24 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Hollywood, FL
OZONE 16 Good
PM2.5 24 Good
Ozone Good
Ozone Good
Honolulu, HI
OZONE 13 Good
Ozone Good
Ozone Good
Houghton Lake, MI
OZONE 17 Good
PM2.5 11 Good
Ozone Good
Ozone Good
Houston-Galveston-Brazoria, TX
OZONE 24 Good
Ozone Good
Ozone Good
Huntsville, AL
OZONE 31 Good
PM2.5 32 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Idaho Falls, ID N/A
Particles (PM2.5) Good
Particles (PM2.5) Good
Imperial Valley, CA N/A N/A N/A
Indianapolis, IN
OZONE 19 Good
PM2.5 20 Good
Ozone Good
Ozone Good
Jacksonville, FL N/A
Ozone Good
Ozone Good
Jersey City, NJ
OZONE 18 Good
Particles (PM2.5) Moderate
Particles (PM2.5) Good
Joshua Tree National Monument, CA Forecast program not in place. Select city or national park for current conditions.
Kalamazoo, MI
OZONE 16 Good
PM2.5 11 Good
Ozone Good
Ozone Good
Kansas City, MO
OZONE 22 Good
PM2.5 11 Good
Ozone Good
Ozone Good
Keene, NH N/A
Particles (PM2.5) Good
Particles (PM2.5) Good
Knoxville, TN
OZONE 35 Good
PM2.5 30 Good
Particles (PM2.5) Good
Ozone Good
Kona, HI
PM2.5 95 Moderate
Particles (PM2.5) Moderate
Particles (PM2.5) Moderate
La Crosse, WI
OZONE 16 Good
Ozone Good
Ozone Good
Laconia, NH
OZONE 18 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Lakeland, FL
OZONE 16 Good
Ozone Good
N/A
Lancaster, CA Forecast program not in place. Select city or national park for current conditions.
Lansing, MI
OZONE 15 Good
PM2.5 13 Good
Ozone Good
Ozone Good
Laredo, TX
OZONE 17 Good
PM2.5 11 Good
Ozone Good
Ozone Good
Las Vegas, NV
OZONE 45 Good
PM2.5 35 Good
Particles (PM2.5) Moderate
Ozone Good
Lassen Volcanic National Park, CA Forecast program not in place. Select city or national park for current conditions.
Lawton, OK
PM2.5 17 Good
Ozone Good
Ozone Good
Lebanon, NH
OZONE 9 Good
PM2.5 9 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Lehigh Valley, PA
OZONE 22 Good
PM2.5 23 Good
Particles (PM2.5) Moderate
Particles (PM2.5) Good
Lewiston, ID
PM2.5 19 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Lewiston-Auburn, ME
PM2.5 17 Good
Ozone Good
Ozone Good
Lexington, KY
OZONE 25 Good
PM2.5 19 Good
Ozone Good
Ozone Good
Liberty/Clairton area, PA
OZONE 22 Good
PM2.5 36 Good
Particles (PM2.5) Moderate
Ozone Good
Little Rock-North Little Rock, AR
OZONE 18 Good
PM2.5 13 Good
Ozone Good
Ozone Good
Livermore, CA
OZONE 43 Good
PM2.5 53 Moderate
Ozone Moderate
Particles (PM2.5) Good
Logan, UT
OZONE 30 Good
PM2.5 28 Good
Ozone Good
Ozone Good
Lompoc, CA
OZONE 37 Good
PM2.5 33 Good
Ozone Good
Ozone Good
Los Angeles Inland, CA
OZONE 49 Good
PM2.5 94 Moderate
Ozone Moderate
Ozone Moderate
Los Angeles Metro and Inland Orange Co., CA
OZONE 45 Good
PM2.5 106 Unhealthy for Sensitive Groups
Ozone Moderate
Ozone Moderate
Los Angeles and Orange Co. Coastal, CA
OZONE 45 Good
Ozone Moderate
Ozone Moderate
Louisville, KY
OZONE 19 Good
PM2.5 29 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Lubbock, TX N/A
Ozone Good
Ozone Good
Ludington, MI
OZONE 17 Good
PM2.5 11 Good
Ozone Good
Ozone Good
Macon, GA
OZONE 20 Good
PM2.5 39 Good
Ozone Good
Ozone Good
Madera, CA
OZONE 85 Moderate
Ozone Moderate
Ozone Moderate
Madison, WI
OZONE 14 Good
Ozone Good
Ozone Good
Mammoth Cave National Park, KY Forecast program not in place. Select city or national park for current conditions.
Manchester, NH
OZONE 17 Good
PM2.5 8 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Memphis, TN
OZONE 22 Good
PM2.5 29 Good
Ozone Good
Ozone Good
Merced, CA
OZONE 61 Moderate
Ozone Unhealthy for Sensitive Groups
Ozone Moderate
Mesa Verde National Park, CO Forecast program not in place. Select city or national park for current conditions.
Miami, FL
OZONE 17 Good
PM2.5 30 Good
Ozone Good
Ozone Good
Midland-Odessa, TX
PM2.5 18 Good
Ozone Good
Ozone Good
Millington, MD
OZONE 29 Good
PM2.5 16 Good
Particles (PM2.5) Moderate
Ozone Good
Millville, NJ
OZONE 21 Good
PM2.5 32 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Milwaukee, WI
OZONE 15 Good
Ozone Good
Ozone Good
Minneapolis-St. Paul, MN
OZONE 19 Good
PM2.5 19 Good
Ozone Good
Ozone Good
Mississippi Gulf Coast, MS
OZONE 17 Good
PM2.5 27 Good
Ozone Good
Ozone Good
Mobile, AL
OZONE 15 Good
PM2.5 35 Good
Ozone Good
Ozone Good
Modesto, CA
OZONE 43 Good
PM2.5 51 Moderate
Ozone Moderate
Ozone Moderate
Mojave Desert, CA
OZONE 50 Good
Ozone Moderate
Ozone Moderate
Mount Vernon, WA N/A
Ozone Good
Ozone Good
Mountain View, HI
PM2.5 27 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Mt. Rainier, WA Forecast program not in place. Select city or national park for current conditions.
Nacote Cr. - Brig., NJ N/A
Particles (PM2.5) Good
Particles (PM2.5) Good
Napa, CA
OZONE 30 Good
PM2.5 68 Moderate
Particles (PM2.5) Moderate
Particles (PM2.5) Good
Narragansett, RI
OZONE 25 Good
PM2.5 14 Good
Ozone Good
Ozone Good
Nashua, NH
OZONE 20 Good
PM2.5 8 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Nashville, TN
OZONE 28 Good
PM2.5 43 Good
Particles (PM2.5) Good
Ozone Good
New Haven, CT
OZONE 20 Good
PM2.5 12 Good
Ozone Good
Ozone Good
New Jersey(Northern), NJ
OZONE 25 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
New Jersey(Southern), NJ
OZONE 21 Good
PM2.5 32 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
New London-Groton, CT N/A
Ozone Good
Ozone Good
New Orleans, LA N/A
Ozone Good
Ozone Good
New York City, NY
OZONE 18 Good
PM2.5 34 Good
Ozone Good
Particles (PM2.5) Good
Newark, NJ
OZONE 18 Good
PM2.5 3 Good
Particles (PM2.5) Moderate
Particles (PM2.5) Good
Newburgh, NY
OZONE 19 Good
Ozone Good
Ozone Good
Niagara Falls, NY N/A
Ozone Good
Particles (PM2.5) Good
North Cascades, WA Forecast program not in place. Select city or national park for current conditions.
Northern Virginia, VA
OZONE 29 Good
PM2.5 25 Good
Particles (PM2.5) Moderate
Ozone Good
Oak Harbor, WA N/A
Particles (PM2.5) Good
Particles (PM2.5) Good
Oakland, CA
OZONE 32 Good
PM2.5 46 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Oakridge, OR
PM2.5 53 Moderate
Particles (PM2.5) Good
Particles (PM2.5) Good
Ogden, UT
OZONE 39 Good
PM2.5 35 Good
Ozone Good
Ozone Good
Ojai, CA
OZONE 47 Good
PM2.5 15 Good
Ozone Moderate
Ozone Moderate
Oklahoma City, OK
OZONE 29 Good
PM2.5 15 Good
Ozone Good
Ozone Good
Olympia-Lacey-Tumwater, WA N/A
Ozone Good
Ozone Good
Olympic, WA Forecast program not in place. Select city or national park for current conditions.
Omaha, NE
PM2.5 51 Moderate
Particles (PM2.5) Moderate
Particles (PM2.5) Moderate
Orlando, FL
OZONE 31 Good
PM2.5 34 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Oxnard, CA
OZONE 27 Good
PM2.5 49 Good
Particles (PM2.5) Moderate
Ozone Good
Pahala, HI
PM2.5 72 Moderate
Particles (PM2.5) Moderate
Particles (PM2.5) Moderate
Palm Springs-Coachella Valley, CA N/A
Ozone Unhealthy for Sensitive Groups
Ozone Unhealthy for Sensitive Groups
Passaic, NJ N/A
Particles (PM2.5) Good
Particles (PM2.5) Good
Paterson, NJ N/A
Particles (PM2.5) Good
Particles (PM2.5) Good
Penobscot Nation, ME
OZONE 14 Good
Ozone Good
Ozone Good
Pensacola, FL
OZONE 17 Good
PM2.5 22 Good
Ozone Good
Ozone Good
Peoria, IL
OZONE 14 Good
PM2.5 16 Good
Particles (PM2.5) Good
Ozone Good
Perth Amboy, NJ
OZONE 24 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Petrified Forest National Park, AZ Forecast program not in place. Select city or national park for current conditions.
Philadelphia, PA
OZONE 30 Good
PM2.5 35 Good
Ozone Good
Ozone Good
Phoenix, AZ
OZONE 40 Good
PM2.5 22 Good
Ozone Moderate
Ozone Moderate
Pinal County, AZ N/A
Particles (PM10) Unhealthy for Sensitive Groups Action Day
Particles (PM10) Moderate
Pinnacle State Park, NY N/A
Ozone Good
Ozone Good
Pinnacles National Park, CA Forecast program not in place. Select city or national park for current conditions.
Piru, CA
OZONE 34 Good
PM2.5 37 Good
Ozone Moderate
Ozone Moderate
Pittsburg, NH N/A
Particles (PM2.5) Good
Particles (PM2.5) Good
Pittsburgh, PA
OZONE 25 Good
PM2.5 36 Good
Particles (PM2.5) Moderate
Particles (PM2.5) Good
Pittsfield, MA N/A
Particles (PM2.5) Good
Particles (PM2.5) Good
Placerville, CA
OZONE 80 Moderate
Ozone Unhealthy for Sensitive Groups
Ozone Moderate
Plainfield, NJ
OZONE 24 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Pocatello, ID N/A
Particles (PM2.5) Good
Particles (PM2.5) Good
Point Reyes, CA Forecast program not in place. Select city or national park for current conditions.
Port Angeles, WA N/A
Ozone Good
Ozone Good
Port Townsend, WA N/A
Ozone Good
Ozone Good
Portland, ME
OZONE 20 Good
PM2.5 17 Good
Ozone Good
Ozone Good
Portland, OR
OZONE 41 Good
PM2.5 25 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Portsmouth, NH
OZONE 17 Good
PM2.5 18 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Presque Isle, ME
OZONE 14 Good
PM2.5 22 Good
Ozone Good
Ozone Good
Providence, RI
OZONE 25 Good
PM2.5 12 Good
Ozone Good
Ozone Good
Provo, UT
OZONE 45 Good
PM2.5 25 Good
Ozone Good
Ozone Good
Puna E, HI N/A N/A N/A
Racine-Kenosha, WI
OZONE 16 Good
Ozone Good
Ozone Good
Raleigh-Durham-Chapel Hill, NC
OZONE 25 Good
PM2.5 28 Good
Ozone Good
Ozone Good
Ramapo, NJ
OZONE 19 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Redwood City, CA
OZONE 28 Good
PM2.5 55 Moderate
Particles (PM2.5) Good
Particles (PM2.5) Good
Reno, NV N/A N/A N/A
Richmond, VA
OZONE 24 Good
Particles (PM2.5) Moderate
Ozone Good
Rider University, NJ
OZONE 25 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Riverside Co. Metro, CA
OZONE 101 Unhealthy for Sensitive Groups
PM2.5 104 Unhealthy for Sensitive Groups
Ozone Unhealthy for Sensitive Groups
Ozone Unhealthy for Sensitive Groups
Roanoke, VA
OZONE 30 Good
PM2.5 23 Good
Particles (PM2.5) Moderate
Ozone Good
Rochester, NY N/A
Ozone Good
Ozone Good
Rockford, IL
OZONE 16 Good
PM2.5 11 Good
Particles (PM2.5) Good
Ozone Good
Rocky Mount, NC
OZONE 19 Good
Ozone Good
Ozone Good
Rocky Mountain National Park, CO Forecast program not in place. Select city or national park for current conditions.
Roseville-Rocklin, CA
OZONE 50 Good
PM2.5 42 Good
Ozone Unhealthy for Sensitive Groups
Ozone Moderate
Rutgers University, NJ
OZONE 24 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Sacramento, CA
OZONE 103 Unhealthy for Sensitive Groups
PM2.5 61 Moderate
Ozone Unhealthy for Sensitive Groups
Ozone Moderate
Saginaw, MI
OZONE 22 Good
PM2.5 14 Good
Ozone Good
Ozone Good
Saguaro National Park, AZ Forecast program not in place. Select city or national park for current conditions.
Saint Louis, MO
OZONE 12 Good
PM2.5 18 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Salt Lake City, UT
OZONE 40 Good
PM2.5 31 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
San Antonio, TX
OZONE 32 Good
PM2.5 9 Good
Ozone Good
Ozone Good
San Bernardino Co. Metro, CA
OZONE 107 Unhealthy for Sensitive Groups
Ozone Unhealthy
Ozone Unhealthy
San Diego Coast, CA
OZONE 39 Good
PM2.5 79 Moderate
Particles (PM2.5) Good
Particles (PM2.5) Good
San Diego Foothills, CA
OZONE 81 Moderate
PM2.5 46 Good
Particles (PM2.5) Moderate
Particles (PM2.5) Moderate
San Diego Mesa and Inland Valley, CA
OZONE 74 Moderate
PM2.5 55 Moderate
Particles (PM2.5) Moderate
Particles (PM2.5) Moderate
San Fernando-Santa Clarita Valleys, CA
OZONE 44 Good
PM2.5 94 Moderate
Ozone Unhealthy for Sensitive Groups
Ozone Unhealthy for Sensitive Groups
San Francisco, CA
OZONE 32 Good
PM2.5 46 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
San Jose, CA
OZONE 37 Good
PM2.5 62 Moderate
Ozone Moderate
Particles (PM2.5) Good
San Rafael, CA
OZONE 30 Good
PM2.5 68 Moderate
Particles (PM2.5) Moderate
Particles (PM2.5) Good
Santa Barbara, CA
OZONE 46 Good
PM2.5 48 Good
Ozone Good
Ozone Good
Santa Maria, CA
OZONE 46 Good
PM2.5 32 Good
Ozone Good
Ozone Good
Santa Rosa, CA
OZONE 30 Good
PM2.5 68 Moderate
Particles (PM2.5) Moderate
Particles (PM2.5) Good
Sarasota, FL
OZONE 22 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Seattle-Bellevue-Kent Valley, WA N/A
Ozone Good
Ozone Good
Sequoia National Park, CA Forecast program not in place. Select city or national park for current conditions.
Sheboygan, WI
OZONE 13 Good
Ozone Good
Ozone Good
Shelton, WA N/A
Ozone Good
Ozone Good
Shenandoah National Park, VA Forecast program not in place. Select city or national park for current conditions.
Shreveport, LA
OZONE 20 Good
PM2.5 10 Good
Ozone Good
Ozone Good
Simi Valley, CA
OZONE 46 Good
PM2.5 36 Good
Ozone Moderate
Ozone Unhealthy for Sensitive Groups
Sipayik, ME
OZONE 15 Good
Ozone Good
Ozone Good
South Bend, IN
OZONE 16 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Spokane, WA N/A
Particles (PM2.5) Good
Particles (PM2.5) Moderate
Springfield, IL
OZONE 14 Good
PM2.5 12 Good
Particles (PM2.5) Good
Ozone Good
Springfield, MA
OZONE 21 Good
PM2.5 5 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Springfield, MO
OZONE 24 Good
PM2.5 7 Good
Ozone Good
Ozone Good
St. Louis (Metro-east), IL
OZONE 12 Good
Particles (PM2.5) Good
Ozone Good
St. Petersburg, FL
OZONE 11 Good
PM2.5 27 Good
Ozone Good
Ozone Good
Stafford County - Rochester, NH N/A
Particles (PM2.5) Good
Particles (PM2.5) Good
Stockton, CA
OZONE 39 Good
Ozone Moderate
Ozone Moderate
Susquehanna Valley, PA
OZONE 22 Good
PM2.5 13 Good
Particles (PM2.5) Moderate
Particles (PM2.5) Good
Syracuse, NY
OZONE 9 Good
Ozone Good
Ozone Good
Tacoma-Puyallup, WA N/A
Ozone Good
Ozone Good
Tampa, FL
OZONE 18 Good
PM2.5 36 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Terre Haute, IN
OZONE 12 Good
PM2.5 23 Good
Ozone Good
Ozone Good
Theodore Roosevelt National Park, ND Forecast program not in place. Select city or national park for current conditions.
Thousand Oaks, CA
OZONE 43 Good
PM2.5 34 Good
Ozone Moderate
Ozone Moderate
Toledo, OH Forecast program not in place. Select city or national park for current conditions.
Torrington, CT
OZONE 22 Good
PM2.5 12 Good
Particles (PM2.5) Good
Ozone Good
Traverse City, MI
OZONE 17 Good
PM2.5 11 Good
Ozone Good
Ozone Good
Trenton, NJ
OZONE 25 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Tri-Cities, TN
OZONE 27 Good
PM2.5 21 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Tucson, AZ Forecast program not in place. Select city or national park for current conditions.
Tulsa, OK
OZONE 26 Good
PM2.5 24 Good
Ozone Good
Ozone Good
Twin Falls, ID
PM2.5 17 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Tyler-Longview-Marshall, TX
OZONE 25 Good
PM2.5 10 Good
Ozone Good
Ozone Good
Union City, NJ
OZONE 18 Good
Particles (PM2.5) Moderate
Particles (PM2.5) Good
Utica, NY
PM2.5 2 Good
Ozone Good
Particles (PM2.5) Good
Vacaville, CA N/A
Ozone Moderate
Ozone Good
Ventura, CA
OZONE 30 Good
Ozone Good
Ozone Good
Victoria, TX
OZONE 24 Good
Ozone Good
Ozone Good
Vineland, NJ
OZONE 21 Good
PM2.5 32 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Visalia, CA
OZONE 122 Unhealthy for Sensitive Groups
PM2.5 59 Moderate
Ozone Unhealthy for Sensitive Groups
Ozone Unhealthy for Sensitive Groups
Voyageurs National Park, MN Forecast program not in place. Select city or national park for current conditions.
Waco-Killeen, TX
OZONE 32 Good
PM2.5 5 Good
Ozone Good
Ozone Good
Walker River Paiute Tribe , NV Forecast program not in place. Select city or national park for current conditions.
Washakie Reservation, UT
OZONE 41 Good
Ozone Good
Ozone Good
Washington, DC
OZONE 29 Good
PM2.5 25 Good
Ozone Moderate
Ozone Good
West Greenwich, RI
OZONE 18 Good
Ozone Good
Ozone Good
West Palm Beach, FL
OZONE 11 Good
PM2.5 15 Good
Ozone Good
Ozone Good
Western Nevada County, CA N/A N/A N/A
Wichita , KS Forecast program not in place. Select city or national park for current conditions.
Wilmington, DE
OZONE 31 Good
PM2.5 46 Good
Ozone Good
Ozone Good
Winchester, VA
OZONE 22 Good
PM2.5 13 Good
Ozone Good
Ozone Good
Woodland, CA
OZONE 62 Moderate
PM2.5 37 Good
Ozone Moderate
Ozone Good
Worcester, MA
OZONE 25 Good
PM2.5 2 Good
Particles (PM2.5) Good
Particles (PM2.5) Good
Yellowstone National Park, ID Forecast program not in place. Select city or national park for current conditions.
Yellowstone National Park, MT Forecast program not in place. Select city or national park for current conditions.
Yellowstone National Park, WY Forecast program not in place. Select city or national park for current conditions.
York/Chester/Lancaster, SC
OZONE 22 Good
Ozone Good
Ozone Good
Youngstown, OH
OZONE 22 Good
PM2.5 23 Good
Ozone Good
Ozone Good
 
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