Current Ozone Values

Current Ozone Values
 

Show Current Particles (PM2.5) Values

AQI: Good (0 - 50) AQI: Good (0 - 50)
Air quality is considered satisfactory, and air pollution poses little or no risk.
AQI: Moderate (51 - 100) AQI: Moderate (51 - 100)
Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.
AQI: Unhealthy for Sensitive Groups (101 - 150) AQI: Unhealthy for Sensitive Groups (101 - 150)
Although general public is not likely to be affected at this AQI range, people with lung disease, older adults and children are at a greater risk from exposure to ozone, whereas persons with heart and lung disease, older adults and children are at greater risk from the presence of particles in the air.
AQI: Unhealthy (151 - 200) AQI: Unhealthy (151 - 200)
Everyone may begin to experience health effects members of sensitive groups may experience more serious health effects.
 AQI:Very Unhealthy (201 - 300) AQI: Very Unhealthy (201 - 300)
Health alert: everyone may experience more serious health effects.
AQI: Hazardous(301 - 500) AQI: Hazardous (301 - 500)
Health warnings of emergency conditions. The entire population is more likely to be affected.
Action DayAction Day
Adirondacks Region, NY
19
Aiken-Augusta - SC/GA, GA
23
Aiken-Augusta - SC/GA, SC
23
Albuquerque, NM
45
Altoona, PA
12
Amarillo, TX
38
Anacortes, WA
19
Ann Arbor, MI
11
Antelope Vly, CA
90
Anza Vly, CA
37
Apache Junction, AZ
29
Aquinnah, MA
37
Arden Arcade-Del Paso Manor, CA
20
Ashland, KY
6
Atascadero, CA
23
Atlanta, GA
21
Aurora/Elgin, IL
6
Austin, TX
14
Bakersfield, CA
49
Banning, CA
46
Barstow, CA
61
Baskett, KY
9
Baton Rouge Area, LA
10
Beaumont-Port Arthur, TX
11
Bellingham, WA
8
Bennington, VT
3
Benton Harbor, MI
17
Beulah, ND
23
Birmingham, AL
19
Birney, MT
20
Bishop, CA
77
Bishop Paiute Tribe, CA
15
Bismarck, ND
19
Bloomington/Normal, IL
18
Boise, ID
33
Boston, MA
34
Bowling Green, KY
20
Brainerd, MN
5
Bridgeport, CT
24
Brigantine, NJ
26
Brigham City, UT
74
Broadus, MT
12
Brockton, MA
28
Brookings, SD
15
Brownsville-McAllen, TX
11
Burlington, VT
17
C San Bernardino M, CA
140
C San Bernardino-1, CA
19
C San Bernardino-2, CA
19
Camden, NJ
25
Canton/Massillon, OH
18
Canyonlands National Park, UT
49
Capistrano Vly, CA
29
Carmel Valley, CA
15
Carpinteria, CA
23
Carrizo Plains, CA
29
Casa Grande, AZ
44
Cascade foothills of King County, WA
19
Cascade foothills of east King-Pierce counties, WA
38
Casper, WY
43
Catawba Indian Nation, SC
6
Central Coastal, CA
29
Central LA CO, CA
29
Central New York Region, NY
16
Central Orange-1, CA
27
Central Orange-2, CA
27
Champaign, IL
15
Charlotte, NC
28
Chattanooga, TN
26
Cheeka Peak, WA
17
Chelmsford, MA
25
Chester, NJ
24
Cheyenne, WY
44
Chicago, IL
25
Chico, CA
37
Chiricahua National Park, AZ
34
Cincinnati, OH
28
Clarksboro, NJ
15
Clarksville-Montgomery County, TN
19
Cleveland-Akron-Lorain, OH
19
Coachella Vly, CA
51
Colorado River Valley, CO
11
Colorado Springs, CO
34
Columbus, OH
31
Columbus-Phenix City - GA/AL, AL
20
Columbus-Phenix City - GA/AL, GA
20
Concord, CA
18
Concord, NH
15
Conway, NH
17
Cool, CA
36
Corpus Christi, TX
13
Cottage Grove, OR
9
Craters of the Moon National Monument, ID
46
Dallas-Fort Worth, TX
30
Danbury, CT
21
Davis, CA
12
Dayton, OH
25
Death Valley National Park, CA
84
Decatur, IL
20
Delaware, DE
24
Denver, CO
46
Des Moines, IA
6
Detroit, MI
9
Detroit Lakes, MN
6
Douglas, WY
38
Downeast Coast, ME
26
Duluth, MN
11
E San Bernardino, CA
23
E San Fernando Vly, CA
29
E San Gabriel V-1, CA
18
E San Gabriel V-2, CA
18
Eastern Interior, ME
32
Eastern Lake Ontario Region, NY
17
Eastern Shore, MD
22
Eastern U.P., MI
15
Eau Claire, WI
0
El Paso, TX
17
Elizabethtown, KY
29
Elk Grove, CA
10
Ely, MN
14
Erie, PA
15
Eugene/Springfield, OR
18
Evanston, WY
58
Evansville, IN
27
Fairbanks, AK
16
Fairfield, CA
19
Fairhaven, MA
25
Fall River, MA
39
Fargo, ND
14
Fayetteville, NC
14
Flemington, NJ
21
Flint, MI
7
Folsom, CA
33
Fond Du Lac, MN
0
Fond du Lac, WI
16
Forest County Potawatomi Community, WI
15
Forsyth County-Winston-Salem-Greensboro-High Point, NC
29
Fort Collins, CO
33
Fort Lee, NJ
17
Fort Wayne, IN
15
Four Corners Area, CO
44
Fremont, CA
10
Fresno, CA
51
Ft. Lauderdale, FL
2
Gaviota Coast, CA
20
Gila River Indian Community, AZ
45
Gillette, WY
40
Goleta, CA
25
Grand Canyon National Park, AZ
44
Grand Junction, CO
38
Grand Rapids, MI
13
Great Basin Air District, CA
77
Great Basin National Park, NV
45
Great Smoky Mtns. Natl. Park - TN, TN
45
Greeley, CO
36
Green Bay, WI
10
Green River, WY
49
Greenfield, MA
17
Greenville, NC
20
Greenwich, CT
20
Hammond-Gary, IN
24
Hampton Roads, VA
31
Hanford, CA
47
Hannover, ND
21
Hartford, CT
15
Haverhill, MA
28
Hazard, KY
7
Helena, MT
22
Hemet/San Jacinto, CA
29
Hesperia, CA
54
Hiawatha Field, WY
36
Hickory, NC
11
High Elevations of Acadia National Park, ME
44
Hollister, CA
17
Hollywood, FL
3
Houghton Lake, MI
4
Houston-Galveston-Brazoria, TX
12
Huntsville, AL
13
Imperial Valley, CA
27
Indiana County, PA
15
Indianapolis, IN
20
Jacksonville, FL
17
Johnson County, WY
32
Johnstown, PA
6
Joliet/Will County, IL
11
Joshua Tree National Park, CA
108
Kalamazoo, MI
10
Kansas City, MO
24
Keene, NH
9
Kennewick, WA
45
King City, CA
19
Knoxville, TN
45
La Crosse, WI
16
Laconia, NH
17
Lafayette, LA
11
Lake Charles, LA
8
Lake County, IL
5
Lake Elsinore, CA
37
Lander, WY
61
Lansing, MI
15
Laredo, TX
16
Las Vegas, NV
44
Lassen Volcanic National Park, CA
42
Lawton, OK
20
Lebanon, NH
10
Lehigh Valley, PA
18
Lewistown, MT
42
Lexington, KY
23
Lima, OH
10
Lincoln, NE
4
Little Rock-North Little Rock, AR
21
Livermore, CA
17
Logan, UT
39
Lompoc, CA
25
Londonderry, NH
22
Long Island, NY
31
Lostwood, ND
19
Louisville, KY
27
Lower Hudson Valley Region, NY
19
Ludington, MI
6
Lynn, MA
38
Macon, GA
2
Madera, CA
29
Madison, CT
25
Madison, WI
16
Malta, MT
41
Mammoth Cave National Park, KY
19
Manchester, NH
7
Marshall, MN
15
Memphis, TN
33
Mendocino County, CA
10
Merced, CA
51
Mercer County, PA
9
Mesa Verde National Park, CO
44
Metro Riverside CO, CA
22
Metropolitan Baltimore, MD
25
Metropolitan Washington, DC
30
Mexicali, MX
23
Mexico City, MX
22
Miami, FL
15
Miami, OK
4
Mid-Coast, ME
44
Mille Lacs, MN
15
Millville, NJ
11
Milton - Blue Hill Observatory, MA
34
Milwaukee, WI
20
Minneapolis-St. Paul, MN
6
Missoula, MT
7
Mobile, AL
13
Modesto, CA
33
Monmouth, NJ
14
Monroe, LA
7
Moorhead, MN
14
Morro Bay, CA
26
Mount Vernon, WA
8
Mt. Rainier, WA
38
Myton, UT
43
NW Coastal LA, CA
27
NW San Bernardino, CA
19
Narragansett, RI
27
Nashua, NH
7
Nashville, TN
30
New Brunswick, NJ
18
New Haven, CT
24
New Jersey, NJ
28
New Jersey Highlands, NJ
21
New London-Groton, CT
29
New Orleans, LA
6
New York City Region, NY
24
Newark, NJ
24
Nez Perce Tribe, ID
50
Nipomo, CA
25
Norco/Corona, CA
27
North & West Suburbs (Chicago), IL
23
North Highlands, CA
21
North Orange CO, CA
27
North Twin Cities Metro, MN
12
Northern, ME
17
Northern Kentucky, KY
31
Northern Virginia, VA
30
Oakland, CA
17
Ocean County/Colliers Mills, NJ
28
Ogden, UT
74
Ojai, CA
19
Oklahoma City, OK
33
Omaha, NE
9
Ouray, UT
37
Oxnard, CA
17
Paducah, KY
30
Paradise, CA
64
Paradise Road, CA
24
Paso Robles, CA
25
Peoria, IL
22
Perris Vly, CA
29
Petrified Forest National Park, AZ
42
Phelan, CA
129
Philadelphia, PA
21
Phoenix, AZ
100
Pikeville, KY
7
Pinal Air Park, AZ
39
Pinal County, AZ
44
Pinnacles National Monument, CA
31
Piru, CA
17
Pittsburgh, PA
20
Placerville, CA
84
Pomona Walnut Vly, CA
20
Portland, OR
18
Portsmouth, NH
30
Providence, RI
32
Provo, UT
45
Racine-Kenosha, WI
20
Raleigh-Durham-Chapel Hill, NC
22
Ramapo, NJ
21
Rapid City, SD
35
Red Bluff, CA
36
Red Hills, CA
38
Redding, CA
29
Redwood City, CA
10
Richmond, VA
16
Rider University, NJ
16
Roanoke, VA
33
Rochester, MN
0
Rock Island-Moline, IL
26
Rockford, IL
16
Rocky Mount, NC
15
Rocky Mountain National Park, CO
46
Roseville-Rocklin, CA
27
Rutland, VT
8
S Central LA CO, CA
19
SW Coastal LA, CA
27
SW San Bernardino, CA
20
Sacramento, CA
21
Saddleback Vly, CA
29
Saginaw, MI
18
Salem, OR
17
Salinas, CA
31
Salt Lake City, UT
40
San Antonio, TX
10
San Diego Coast, CA
31
San Diego Foothills, CA
17
San Diego Mesa and Inland Valley, CA
23
San Francisco, CA
20
San Gabriel Mts, CA
31
San Jose, CA
18
San Luis Obispo, CA
26
San Rafael, CA
14
Santa Barbara, CA
25
Santa Clarita Vly, CA
31
Santa Cruz, CA
24
Santa Maria, CA
23
Santa Rosa, CA
15
Santa Rosa Rancheria, CA
40
Santa Ynez, CA
22
Sarasota, FL
13
Scranton / Wilkes-Barre, PA
5
Seattle-Bellevue-Kent Valley, WA
17
Sequoia/Kings Canyon National Parks, CA
119
Sheboygan, WI
10
Shelton, WA
19
Shenandoah National Park, VA
31
Sheridan, WY
32
Shreveport, LA
14
Sidney, MT
38
Simi Valley, CA
31
Sioux Falls, SD
28
Sloughhouse, CA
22
South & West Suburbs (Chicago), IL
19
South Bend, IN
15
South Coastal LA, CA
17
South Twin Cities Metro, MN
18
Southeast LA CO, CA
27
Southern Ute Indian Reservation, CO
14
Southwest Coast, ME
25
Spokane, WA
58
Springdale (Springdale-Fayetteville-Bentonville), AR
16
Springfield, IL
19
Springfield, MA
21
St. Cloud, MN
1
St. Louis (Metro-east), IL
28
State College, PA
8
Stockton, CA
26
Stratford, CT
24
Susquehanna Valley, PA
24
Tampa, FL
18
Temecula Vly, CA
37
Terre Haute, IN
25
The Dalles, OR
27
Theodore Roosevelt National Park, ND
28
Thibodaux, LA
6
Thousand Oaks, CA
20
Toledo, OH
17
Topeka, KS
22
Torrington, CT
25
Traverse City, MI
16
Tri-Cities, TN
5
Trona, CA
67
Truro, MA
33
Tucson, AZ
44
Tulsa, OK
31
Tuolumne County, CA
41
Twentynine Palms, CA
61
Tyler-Longview-Marshall, TX
22
Union County, SD
12
Upper Green River Basin, WY
71
Upper Hudson Valley Region, NY
20
Uxbridge, MA
19
Vancouver, WA
18
Vernal, UT
44
Victoria, TX
8
Victorville, CA
93
Visalia, CA
33
Voyageurs National Park, MN
19
W San Bernardino M, CA
140
W San Fernando Vly, CA
29
W San Gabriel Vly, CA
20
Waco-Killeen, TX
21
Wamsutter, WY
29
Washakie Reservation, UT
74
West Greenwich, RI
10
Western Interior, ME
25
Western Maryland, MD
22
Western Mountains, ME
17
Western New York Region, NY
16
Western Ridge Tops, NC
43
Western Valleys, NC
19
Westport, CT
17
Whiterocks, UT
47
Wichita, KS
32
Williston, ND
24
Willows, CA
30
Wilmington, NC
24
Winchester, VA
22
Winona, MN
16
Worcester, MA
29
Yellowstone National Park, ID
31
Yellowstone National Park, MT
31
Yellowstone National Park, WY
31
York/Chester/Lancaster, SC
6
Yosemite National Park, CA
48
Youngstown, OH
8
Yreka, CA
30
Yuba City/Marysville, CA
23