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
41
Aiken-Augusta - SC/GA, GA
29
Aiken-Augusta - SC/GA, SC
29
Alba, MO
23
Albuquerque, NM
26
Altoona, PA
9
Ann Arbor, MI
22
Aquinnah, MA
47
Ashland, KY
13
Atlanta, GA
32
Aurora/Elgin, IL
12
Austin, TX
26
Badlands, SD
33
Baker County, FL
24
Baton Rouge Area, LA
19
Bay and Gulf Counties, FL
32
Beaumont-Port Arthur, TX
32
Bennington, VT
32
Benton Harbor, MI
21
Beulah, ND
13
Big Horn County, WY
31
Big Piney, WY
30
Birmingham, AL
42
Birney, MT
21
Bismarck, ND
26
Bloomington/Normal, IL
34
Boise, ID
19
Bonne Terre, MO
22
Boston, MA
20
Boulder, WY
28
Bowling Green, KY
32
Brainerd, MN
33
Bridgeport, CT
14
Brigantine, NJ
24
Broadus, MT
23
Brockton, MA
8
Brookings, SD
41
Brownsville-McAllen, TX
27
Burlington, VT
32
Camden, NJ
24
Canton/Massillon, OH
39
Canyonlands National Park, UT
38
Casper, WY
41
Catawba Indian Nation, SC
5
Central New York Region, NY
23
Champaign, IL
30
Charleston, SC
17
Charlotte, NC
20
Chattanooga, TN
44
Chelmsford, MA
6
Chester, NJ
44
Cheyenne, WY
40
Chicago, IL
47
Cincinnati, OH
31
Citrus County, FL
23
City of North Miami, FL
32
Clarksboro, NJ
6
Clarksville-Montgomery County, TN
37
Cleveland, MS
24
Cleveland-Akron-Lorain, OH
46
Cody, WY
31
Colorado River Valley, CO
38
Colorado Springs, CO
42
Columbia, MO
20
Columbia, SC
26
Columbia and Suwannee Counties, FL
24
Columbus, OH
30
Columbus-Phenix City - GA/AL, AL
31
Columbus-Phenix City - GA/AL, GA
31
Concord, NH
11
Conway, NH
29
Corpus Christi, TX
32
Craters of the Moon National Monument, ID
22
Dallas-Fort Worth, TX
34
Danbury, CT
6
Daniel South, WY
25
Dayton, OH
27
Daytona Beach, FL
31
Decatur, IL
28
Delaware, DE
33
Denver/Boulder, CO
43
Des Moines, IA
24
Detroit, MI
31
Detroit Lakes, MN
36
Dona Ana County, NM
27
Douglas, WY
39
Downeast Coast, ME
25
Duluth, MN
20
Eastern Interior, ME
33
Eastern Lake Ontario Region, NY
19
Eastern Laramie County, WY
39
Eastern Shore, MD
19
Eastern U.P., MI
22
Eau Claire, WI
26
El Dorado Springs, MO
19
El Paso, TX
30
Elizabethtown, KY
34
Ely, MN
22
Erie, PA
36
Evanston, WY
31
Evansville, IN
33
Fairhaven, MA
22
Fall River, MA
31
Fargo, ND
33
Farrar, MO
19
Fayetteville, NC
6
Flemington, NJ
13
Flint, MI
5
Florence/Darlington, SC
32
Fond Du Lac, MN
12
Fond du Lac, WI
44
Forest County Potawatomi Community, WI
30
Forsyth County-Winston-Salem-Greensboro-High Point, NC
25
Fort Collins, CO
43
Fort Lee, NJ
4
Fort Myers, FL
30
Fort Pierce, FL
32
Fort Wayne, IN
9
Four Corners Area, CO
45
Ft. Lauderdale, FL
31
Gillette, WY
21
Grand Junction, CO
42
Grand Rapids, MI
19
Great Smoky Mtns. Natl. Park - TN, TN
41
Greeley, CO
32
Green Bay, WI
41
Green River, WY
33
Greenfield, MA
7
Greenville, NC
8
Greenville-Spartanburg, SC
31
Greenwich, CT
20
Hamilton County, FL
24
Hammond-Gary, IN
28
Hampton Roads, VA
20
Hannover, ND
22
Hartford, CT
3
Haverhill, MA
18
Hazard, KY
20
Helena, MT
22
Hernando, MS
28
Hiawatha Field, WY
33
Hickory, NC
18
High Elevations of Acadia National Park, ME
32
Highlands County, FL
24
Holiday, FL
27
Hollywood, FL
31
Holmes, Jackson, and Washington Counties, FL
26
Houghton Lake, MI
6
Houston-Galveston-Brazoria, TX
39
Huntsville, AL
45
Indiana County, PA
33
Indianapolis, IN
32
Jackson, MS
22
Jackson, WY
28
Jacksonville, FL
31
Jefferson City, MO
23
Johnson County, WY
33
Johnstown, PA
11
Joliet/Will County, IL
22
Juel Spring, WY
33
Kalamazoo, MI
6
Kansas City, MO
22
Keene, NH
6
Knoxville, TN
41
La Crosse, WI
37
Laconia, NH
29
Lafayette, LA
39
Lake Charles, LA
22
Lake County, FL
27
Lake County, IL
41
Lakeland, FL
27
Lander, WY
39
Lansing, MI
10
Laredo, TX
23
Lawton, OK
31
Lebanon, NH
6
Lehigh Valley, PA
35
Lewistown, MT
21
Lexington, KY
36
Lima, OH
24
Lincoln, NE
18
Little Rock-North Little Rock, AR
20
Logan, UT
28
Londonderry, NH
22
Long Island, NY
20
Lostwood, ND
21
Louisville, KY
38
Lower Hudson Valley Region, NY
35
Ludington, MI
7
Lynn, MA
27
Macon, GA
8
Madison, CT
16
Madison, WI
27
Malta, MT
18
Mammoth Cave National Park, KY
43
Manchester, NH
6
Mark Twain State Park, MO
22
Marshall, MN
29
Melbourne, FL
33
Memphis, TN
32
Mercer County, PA
33
Meridian, MS
20
Mesa Verde National Park, CO
45
Metropolitan Baltimore, MD
28
Metropolitan Washington, DC
31
Metropolitan Washington, MD
31
Miami, FL
32
Mid-Coast, ME
31
Mille Lacs, MN
31
Millville, NJ
13
Milton - Blue Hill Observatory, MA
27
Milwaukee, WI
37
Minneapolis-St. Paul, MN
27
Mississippi Gulf Coast, MS
36
Missoula, MT
6
Mobile, AL
13
Monmouth, NJ
32
Monroe, LA
9
Moorhead, MN
33
Myrtle Beach-Conway, SC
17
Naples, FL
28
Narragansett, RI
37
Nashua, NH
6
Nashville, TN
47
Nassau County, FL
22
New Brunswick, NJ
21
New Haven, CT
4
New Jersey, NJ
44
New Jersey Highlands, NJ
43
New London-Groton, CT
31
New Orleans, LA
30
New York City Region, NY
33
Newark, NJ
32
Newcastle, WY
33
North & West Suburbs (Chicago), IL
47
North Twin Cities Metro, MN
37
Northern, ME
16
Northern Kentucky, KY
32
Northern Virginia, VA
31
Ocala, FL
23
Ocean County/Colliers Mills, NJ
23
Ogden, UT
32
Oklahoma City, OK
31
Omaha, NE
19
Orlando, FL
25
Osceola County, FL
25
Owensboro, KY
36
Paducah, KY
26
Pensacola, FL
33
Peoria, IL
33
Philadelphia, PA
32
Pikeville, KY
19
Pinedale, WY
26
Pittsburgh, PA
38
Pittsfield, MA
8
Portsmouth, NH
18
Providence, RI
30
Provo, UT
25
Racine-Kenosha, WI
61
Raleigh-Durham-Chapel Hill, NC
31
Ramapo, NJ
43
Rapid City, SD
29
Richmond, VA
18
Rider University, NJ
13
Roanoke, VA
18
Rochester, MN
33
Rock Island-Moline, IL
38
Rockford, IL
29
Rocky Mount, NC
3
Rocky Mountain National Park, CO
45
Rutland, VT
6
Saginaw, MI
21
Saint Louis, MO
26
Salt Lake City, UT
25
San Antonio, TX
29
San Juan County, NM
38
Sarasota, FL
28
Scranton / Wilkes-Barre, PA
9
Seminole County, FL
24
Sheboygan, WI
90
Shenandoah National Park, VA
43
Sheridan, WY
30
Shreveport, LA
18
Sidney, MT
26
Sioux Falls, SD
30
South & West Suburbs (Chicago), IL
22
South Bend, IN
16
South Twin Cities Metro, MN
39
Southern Ute Indian Reservation, CO
21
Southwest Coast, ME
22
Springdale (Springdale-Fayetteville-Bentonville), AR
25
Springfield, IL
31
Springfield, MO
25
St. Cloud, MN
35
St. Joseph, MO
20
St. Louis (Metro-east), IL
31
St. Petersburg, FL
30
Stafford, CT
40
State College, PA
7
Stratford, CT
14
Susquehanna Valley, PA
31
Tallahassee, FL
29
Tampa, FL
24
Taylor County, FL
27
Terre Haute, IN
25
Theodore Roosevelt National Park, ND
19
Thibodaux, LA
12
Toledo, OH
40
Tooele, UT
19
Topeka, KS
12
Torrington, CT
44
Traverse City, MI
15
Tri-Cities, TN
19
Truro, MA
29
Tulsa, OK
20
Tupelo, MS
20
Tyler-Longview-Marshall, TX
24
Upper Green River Basin, WY
33
Upper Hudson Valley Region, NY
6
Uxbridge, MA
2
Vernal, UT
36
Victoria, TX
27
Voyageurs National Park, MN
25
Waco-Killeen, TX
27
Wamsutter, WY
32
Ware - Quabbin Summit, MA
34
West Greenwich, RI
7
West Palm Beach, FL
31
Western Interior, ME
23
Western Maryland, MD
16
Western Mountains, ME
38
Western New York Region, NY
26
Western Ridge Tops, NC
47
Western Valleys, NC
16
Westport, CT
6
Wichita, KS
23
Williamsport, PA
9
Williston, ND
17
Wilmington, DE
33
Wilmington, NC
5
Winchester, VA
16
Winona, MN
37
Worcester, MA
33
Yellowstone National Park, ID
21
Yellowstone National Park, MT
21
Yellowstone National Park, WY
21
York/Chester/Lancaster, SC
19
Youngstown, OH
21