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National Air Quality Summary (text)
 
AIRNow Home >> Current Ozone Values
 

Show Current Particles (PM2.5) Values

AQI: Good (0 - 50) AQI: Moderate (51 - 100) AQI: Unhealthy for Sensitive Groups (101 - 150) AQI: Unhealthy (151 - 200) AQI: Very Unhealthy (201 - 300) AQI: Hazardous(301 - 500) Action DayAction Day
Acadia National Park, ME
36
Adams - Mt. Greylock, MA
67
Aiken-Augusta - SC/GA, GA
43
Aiken-Augusta - SC/GA, SC
43
Albany, NY
22
Albuquerque, NM
29
Amherst, MA
25
Ann Arbor, MI
25
Antelope Vly, CA
0
Anza Vly, CA
41
Asheville Ridge Tops (above 4000 feet), NC
21
Asheville Valleys (below 4000 feet), NC
18
Atascadero, CA
18
Atlanta, GA
50
Auburn, CA
30
Austin, TX
19
Bakersfield, CA
29
Baltimore, MD
47
Bangor, ME
27
Banning, CA
37
Barstow, CA
47
Base - Whiteface Mountain, NY
20
Baton Rouge Area, LA
37
Beaumont-Port Arthur, TX
20
Bellingham, WA
0
Bennington, VT
26
Benton Harbor, MI
22
Big Bear Lake, CA
38
Birmingham, AL
42
Boise, ID
24
Boston, MA
31
Bridgeport, CT
37
Brigantine, NJ
46
Brownsville-McAllen, TX
12
Buffalo, NY
15
Burlington, VT
23
C San Bernardino M, CA
34
C San Bernardino-1, CA
25
C San Bernardino-2, CA
24
Camden, NJ
48
Cape Cod and Islands, MA
45
Capistrano Vly, CA
32
Carrizo Plains, CA
24
Cascade foothills of east King-Pierce counties, WA
22
Central Coastal, CA
31
Central LA CO, CA
21
Central Orange-1, CA
31
Central Orange-2, CA
31
Charleston, SC
23
Charlotte, NC
45
Chester, NJ
46
Chicago, IL
31
Chico, CA
25
Cincinnati, OH
45
Clarksboro, NJ
48
Clarksville-Montgomery County, TN
50
Cleveland-Akron-Lorain, OH
35
Coachella Vly, CA
47
Coeur d'Alene, ID
27
Colorado Springs, CO
25
Columbia, SC
42
Columbus, OH
42
Columbus-Phenix City - GA/AL, AL
58
Columbus-Phenix City - GA/AL, GA
58
Concord, CA
28
Concord, NH
31
Conway, NH
32
Corpus Christi, TX
12
Cowpens National Battlefield, SC
23
Dallas-Fort Worth, TX
19
Danbury, CT
37
Davis, CA
26
Dayton, OH
42
Daytona Beach, FL
10
Death Valley National Park, CA
50
Denver, CO
37
Des Moines, IA
30
Detroit, MI
19
Dona Ana County, NM
43
Dunkirk, NY
20
E San Bernardino, CA
22
E San Gabriel V-1, CA
18
E San Gabriel V-2, CA
23
Eastern U.P., MI
14
El Paso, TX
41
Elk Grove, CA
31
Eugene/Springfield, OR
24
Evansville, IN
41
Fairfield, CA
28
Fairhaven, MA
67
Fayetteville, NC
36
Flemington, NJ
48
Flint, MI
14
Florence/Darlington, SC
38
Folsom, CA
31
Fond du Lac, WI
18
Forsyth County-Winston-Salem-Greensboro-High Point, NC
24
Fort Collins, CO
51
Fort Lee, NJ
36
Fort Myers, FL
20
Fort Pierce, FL
14
Fort Wayne, IN
29
Fremont, CA
22
Fresno, CA
27
Gardiner, ME
19
Grand Rapids, MI
20
Great Smoky Mtns. Natl. Park - NC, TN
29
Greeley, CO
42
Green Bay, WI
14
Greenville-Spartanburg, SC
40
Greenwich, CT
37
Hagerstown, MD
46
Hammond-Gary, IN
29
Hampton Roads, VA
41
Hanford, CA
23
Hartford, CT
26
Hemet/San Jacinto, CA
27
Hesperia, CA
39
Hickory, NC
24
Holden, ME
27
Houghton Lake, MI
13
Houston-Galveston-Brazoria, TX
22
Huntsville, AL
30
Imperial Valley, CA
46
Indianapolis, IN
40
Jacksonville, FL
14
Jonesport, ME
34
Joshua Tree National Park, CA
50
Kalamazoo, MI
13
Kansas City, MO
35
Keene, NH
27
Kennebunkport, ME
32
King City, CA
17
Knoxville, TN
29
La Crosse, WI
20
Laconia, NH
32
Lafayette, LA
25
Lake Charles, LA
20
Lake Elsinore, CA
32
Lansing, MI
14
Laredo, TX
16
Las Vegas, NV
41
Lawton, OK
0
Lebanon, NH
25
Lexington, KY
44
Liberty/Clairton area, PA
33
Lincoln, NE
25
Little Rock-North Little Rock, AR
19
Livermore, CA
28
Lompoc, CA
25
Louisville, KY
40
Lovell, ME
18
Ludington, MI
14
Lynn, MA
33
Macon, GA
44
Madison, CT
38
Madison, WI
18
Mammoth Cave National Park, KY
37
Manchester, NH
27
Melbourne, FL
11
Memphis, TN
26
Mendocino County, CA
14
Merced, CA
26
Metro Riverside CO, CA
36
Miami, FL
14
Middletown, CT
31
Millington, MD
58
Millville, NJ
44
Milton - Blue Hill Observatory, MA
34
Milwaukee, WI
19
Minneapolis-St. Paul, MN
27
Mississippi Gulf Coast, MS
27
Mobile, AL
27
Modesto, CA
22
Monmouth, NJ
48
Monroe, LA
47
Morro Bay, CA
24
Mount Vernon, WA
0
Mt. Rainier, WA
22
N Coastal Orange, CA
31
NW Coastal LA, CA
32
NW San Bernardino, CA
30
Napa, CA
25
Narragansett, RI
74
Nashua, NH
28
Nashville, TN
39
New Brunswick, NJ
47
New Haven, CT
31
New Jersey Highlands, NJ
48
New Orleans, LA
27
New York City, NY
45
Newark, NJ
41
Newburgh, NY
30
Newbury, MA
33
Nipomo, CA
23
Norco/Corona, CA
36
North Orange CO, CA
29
Northern Delaware, DE
49
Northern Virginia, VA
45
Oakland, CA
21
Ocean County/Colliers Mills, NJ
50
Ogden, UT
37
Ojai, CA
35
Oklahoma City, OK
12
Olympia-Lacey-Tumwater, WA
18
Orlando, FL
13
Oxnard, CA
31
Paradise, CA
33
Paso Robles, CA
24
Penobscot Nation, ME
19
Pensacola, FL
25
Peoria, IL
36
Perch River, NY
17
Perris Vly, CA
27
Phelan, CA
38
Philadelphia, PA
58
Phoenix, AZ
35
Piru, CA
33
Pittsburgh, PA
33
Placerville, CA
31
Pomona Walnut Vly, CA
22
Port Clyde, ME
31
Port Townsend, WA
0
Portland, ME
31
Portland, OR
22
Portsmouth, NH
32
Presque Isle, ME
19
Providence, RI
37
Provo, UT
32
Racine-Kenosha, WI
21
Raleigh-Durham-Chapel Hill, NC
31
Ramapo, NJ
32
Red Hills, CA
24
Redding, CA
24
Redwood City, CA
22
Reno-Sparks, NV
35
Richmond, VA
40
Rider University, NJ
50
Riverhead, NY
46
Roanoke, VA
39
Rochester, MN
25
Rock Island-Moline, IL
19
Rockford, IL
20
Rocky Mount, NC
37
Rocky Mountain National Park, CO
51
Roseville-Rocklin, CA
30
S Central LA CO, CA
19
S San Gabriel Vly, CA
19
SW Coastal LA, CA
28
SW San Bernardino, CA
30
Sacramento, CA
31
Saddleback Vly, CA
32
Saginaw, MI
18
Saint Louis, MO
47
Salinas, CA
21
Salt Lake City, UT
35
San Antonio, TX
20
San Diego Coast, CA
33
San Diego Foothills, CA
40
San Diego Mesa and Inland Valley, CA
34
San Francisco, CA
21
San Gabriel Mts, CA
29
San Jose, CA
25
San Juan County, NM
37
San Luis Obispo, CA
23
San Rafael, CA
25
Sand Island, HI
14
Santa Barbara, CA
39
Santa Clarita Vly, CA
29
Santa Cruz, CA
21
Santa Maria, CA
33
Santa Rosa, CA
25
Sarasota, FL
22
Seattle-Bellevue-Kent Valley, WA
9
Sequoia/Kings Canyon National Parks, CA
31
Sheboygan, WI
18
Shelton, WA
18
Shenandoah National Park, VA
42
Shreveport, LA
24
Simi Valley, CA
31
South Bend, IN
22
South Coastal LA, CA
24
Southeast LA CO, CA
19
Southern Delaware, DE
64
Spokane, WA
32
Springfield, IL
36
Springfield, MA
27
Springfield, MO
19
St. Louis (Metro-east), IL
42
St. Petersburg, FL
24
Stafford, CT
30
Stockton, CA
24
Stow, MA
26
Stratford, CT
37
Syracuse, NY
14
Tallahassee, FL
19
Tampa, FL
31
Temecula Vly, CA
32
Terre Haute, IN
33
Thibodaux, LA
27
Thousand Oaks, CA
35
Toledo, OH
31
Torrington, CT
30
Traverse City, MI
19
Trona, CA
25
Tucson, AZ
31
Tulsa, OK
17
Tyler-Longview-Marshall, TX
16
Vacaville, CA
22
Ventura, CA
30
Victoria, TX
11
Victorville, CA
41
W San Bernardino M, CA
30
W San Fernando Vly, CA
34
W San Gabriel Vly, CA
19
Waco-Killeen, TX
19
Ware - Quabbin Summit, MA
30
Washington, DC
45
West Buxton, ME
29
West Greenwich, RI
36
West Palm Beach, FL
13
Western Nevada County, CA
31
Westport, CT
37
White Plains, NY
32
Winchester, VA
46
Woodland, CA
26
Yosemite National Park, CA
30
Youngstown, OH
25
Yuba City/Marysville, CA
25
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