Air quality by country

Air quality in United States today

Updated Sun, 25 Oct 2026 16:30:53 GMT

Good: average US AQI 48 across 747 cities Worst now: Philadelphia (130); cleanest: Aberdeen, SD (13).

Live US AQI, PM2.5 and ozone for cities across United States, ranked from most polluted to cleanest.

Average US AQI: 48 Good
Most polluted now: Philadelphia AQI 130
Cleanest now: Aberdeen, SD AQI 13
Cities above 100: 4 unhealthy for sensitive groups or worse

Air quality in United States today

Right now the modelled air quality in United States averages a US AQI of 48 (Good) across the 747 cities we track. By category: 414 Good, 329 Moderate, 4 Unhealthy for Sensitive Groups (of 747).

That is 17 points better than the worldwide average of 65 across 3,909 cities.

Philadelphia has the worst air at 130 with PM2.5 at 16 µg/m³, while Aberdeen, SD is cleanest at 13. 4 cities are above 100, where sensitive groups should limit time outdoors.

United States cities by AQI (most polluted first)

City	Region	US AQI	Category	PM2.5 µg/m³	Ozone µg/m³
Philadelphia	Pennsylvania	130	Unhealthy for Sensitive Groups	15.6	96
Chester, PA	Pennsylvania	130	Unhealthy for Sensitive Groups	15.6	96
Wayne, PA	Pennsylvania	130	Unhealthy for Sensitive Groups	15.6	96
Springfield, PA	Pennsylvania	130	Unhealthy for Sensitive Groups	15.6	96
Vineland	New Jersey	98	Moderate	15.5	96
New York City	New York	97	Moderate	11.2	87
Brooklyn	New York	97	Moderate	11.2	87
Queens	New York	97	Moderate	11.2	87
Manhattan	New York	97	Moderate	11.2	87
The Bronx	New York	97	Moderate	11.2	87
Newark	New Jersey	97	Moderate	11.2	87
Jersey City	New Jersey	97	Moderate	11.2	87
Yonkers	New York	97	Moderate	11.2	87
Elizabeth	New Jersey	97	Moderate	11.2	87
Clifton	New Jersey	97	Moderate	11.2	87
Union City, NJ	New Jersey	97	Moderate	11.2	87
Union	New Jersey	97	Moderate	11.2	87
Bloomfield	New Jersey	97	Moderate	11.2	87
Kearny	New Jersey	97	Moderate	11.2	87
Orange, NJ	New Jersey	97	Moderate	11.2	87
Spring Valley, NY	New York	97	Moderate	11.2	87
Oceanside, NY	New York	97	Moderate	11.2	87
Harrison	New York	94	Moderate	19.6	74
Reading, PA	Pennsylvania	92	Moderate	11.8	101
Edison	New Jersey	86	Moderate	8.1	94
Lebanon, PA	Pennsylvania	86	Moderate	12.9	97
Somerset	New Jersey	86	Moderate	8.1	94
Jackson, NJ	New Jersey	84	Moderate	12	99
Staten Island	New York	82	Moderate	28.3	72
Wilmington, DE	Delaware	80	Moderate	13.2	100
Newark, DE	Delaware	80	Moderate	13.2	100
Lancaster, PA	Pennsylvania	79	Moderate	12.2	96
Detroit	Michigan	77	Moderate	15.3	77
Warren	Michigan	77	Moderate	15.3	77
Sterling Heights	Michigan	77	Moderate	15.3	77
Dearborn	Michigan	77	Moderate	15.3	77
Taylor	Michigan	77	Moderate	15.3	77
Allen Park	Michigan	77	Moderate	15.3	77
Birmingham, MI	Michigan	77	Moderate	15.3	77
Ferndale	Michigan	77	Moderate	15.3	77
Boston	Massachusetts	73	Moderate	4.7	77
Ann Arbor	Michigan	73	Moderate	12.3	99
Cambridge, MA	Massachusetts	73	Moderate	4.7	77
Quincy	Massachusetts	73	Moderate	4.7	77
Lynn	Massachusetts	73	Moderate	4.7	77
Canton	Michigan	73	Moderate	12.3	99
Waltham	Massachusetts	73	Moderate	4.7	77
Medford, MA	Massachusetts	73	Moderate	4.7	77
Everett, MA	Massachusetts	73	Moderate	4.7	77
Brighton, MA	Massachusetts	73	Moderate	4.7	77
Salem, MA	Massachusetts	73	Moderate	4.7	77
Arlington, MA	Massachusetts	73	Moderate	4.7	77
Chelsea	Massachusetts	73	Moderate	4.7	77
Braintree, MA	Massachusetts	73	Moderate	4.7	77
Watertown	Massachusetts	73	Moderate	4.7	77
Lexington, MA	Massachusetts	73	Moderate	4.7	77
Reading, MA	Massachusetts	73	Moderate	4.7	77
Belmont, MA	Massachusetts	73	Moderate	4.7	77
Burlington, MA	Massachusetts	73	Moderate	4.7	77
Wilmington, MA	Massachusetts	73	Moderate	4.7	77
Canton, MA	Massachusetts	73	Moderate	4.7	77
Winchester, MA	Massachusetts	73	Moderate	4.7	77
Paterson	New Jersey	72	Moderate	6.6	97
Stamford	Connecticut	72	Moderate	5.9	97
Norwalk, CT	Connecticut	72	Moderate	5.9	97
Wayne	New Jersey	72	Moderate	6.6	97
Harrisburg	Pennsylvania	72	Moderate	13.6	94
Concord	California	71	Moderate	24.3	48
Antioch	California	71	Moderate	24.3	48
Pittsburg	California	71	Moderate	24.3	48
Walnut Creek	California	71	Moderate	24.3	48
Brentwood	New York	71	Moderate	14.8	75
Brentwood, CA	California	71	Moderate	24.3	48
Oakley	California	71	Moderate	24.3	48
Dover, DE	Delaware	71	Moderate	14	95
Long Beach, NY	New York	71	Moderate	32.7	61
Fort Wayne	Indiana	70	Moderate	8.8	112
Pontiac	Michigan	70	Moderate	14.4	90
Elkhart	Indiana	70	Moderate	8	104
York, PA	Pennsylvania	69	Moderate	13.3	95
Wilsonville	Oregon	68	Moderate	6.7	50
Toms River	New Jersey	67	Moderate	15.6	86
Potomac	Maryland	67	Moderate	14.1	92
Baltimore	Maryland	66	Moderate	15.1	93
Columbia, MD	Maryland	66	Moderate	15.1	93
Waterford	Michigan	66	Moderate	11.8	100
Essex	Maryland	66	Moderate	15.1	93
Adrian	Michigan	66	Moderate	10.2	103
Washington	District of Columbia	65	Moderate	14.8	92
Arlington, VA	Virginia	65	Moderate	14.8	92
Alexandria, VA	Virginia	65	Moderate	14.8	92
Manassas	Virginia	65	Moderate	12.7	93
Springfield, VA	Virginia	65	Moderate	14.8	92
Los Angeles	California	64	Moderate	15.3	55
Seattle	Washington	64	Moderate	17.3	12
Portland	Oregon	64	Moderate	7.5	47
Oakland	California	64	Moderate	14.9	66
Vancouver, WA	Washington	64	Moderate	7.5	47
Bellevue	Washington	64	Moderate	17.3	12
Kent	Washington	64	Moderate	17.3	12
East Los Angeles	California	64	Moderate	15.3	55
Vallejo	California	64	Moderate	14.9	66
Berkeley	California	64	Moderate	14.9	66
Allentown	Pennsylvania	64	Moderate	7.8	102
Downey	California	64	Moderate	15.3	55
Inglewood	California	64	Moderate	15.3	55
Richmond, CA	California	64	Moderate	14.9	66
Renton	Washington	64	Moderate	17.3	12
Beaverton	Oregon	64	Moderate	7.5	47
Kalamazoo	Michigan	64	Moderate	8.1	106
Redondo Beach	California	64	Moderate	15.3	55
Gardena	California	64	Moderate	15.3	55
Tigard	Oregon	64	Moderate	7.5	47
Burien	Washington	64	Moderate	17.3	12
Holland	Michigan	64	Moderate	10	95
Des Moines, WA	Washington	64	Moderate	17.3	12
San Pablo, CA	California	64	Moderate	14.9	66
Tualatin	Oregon	64	Moderate	7.5	47
Hercules	California	64	Moderate	14.9	66
Bethany	Oregon	64	Moderate	7.5	47
Beaumont	Texas	63	Moderate	5.4	125
Frederick	Maryland	63	Moderate	12.1	93
Port Arthur	Texas	63	Moderate	5.4	125
McMinnville	Oregon	63	Moderate	5.2	58
Easton, MA	Massachusetts	63	Moderate	3.7	86
Mansfield, MA	Massachusetts	63	Moderate	3.7	86
Toledo	Ohio	62	Moderate	7.6	105
Grand Rapids	Michigan	62	Moderate	7.7	102
Springfield, MA	Massachusetts	62	Moderate	3.8	86
Lowell	Massachusetts	62	Moderate	2.9	85
Wyoming	Michigan	62	Moderate	7.7	102
Olympia	Washington	62	Moderate	10.3	31
Lima, OH	Ohio	62	Moderate	4	110
Jackson, MI	Michigan	62	Moderate	9.7	110
Salem, NH	New Hampshire	62	Moderate	2.9	85
Queensbury	New York	62	Moderate	9	71
Pasadena, MD	Maryland	62	Moderate	15.5	98
Derry, NH	New Hampshire	62	Moderate	2.9	85
Oregon	Ohio	62	Moderate	7.6	105
Lansing	Michigan	61	Moderate	9.7	103
Binghamton	New York	61	Moderate	6.7	94
Richmond, IN	Indiana	61	Moderate	5.3	116
Easton	Pennsylvania	61	Moderate	6.5	103
Holt	Michigan	61	Moderate	9.7	103
Chicago	Illinois	60	Moderate	13.8	63
Houston	Texas	60	Moderate	8.1	123
San Diego	California	60	Moderate	10.9	81
Cypress	Texas	60	Moderate	9.4	127
Pasadena	Texas	60	Moderate	8.1	123
Everett	Washington	60	Moderate	11.8	24
Albany	New York	60	Moderate	8.8	74
The Woodlands	Texas	60	Moderate	9.4	127
Evanston	Illinois	60	Moderate	13.8	63
Missouri City	Texas	60	Moderate	9.9	128
Marysville	Washington	60	Moderate	11.8	24
Spring	Texas	60	Moderate	9.4	127
Edmonds	Washington	60	Moderate	11.8	24
Huntsville, TX	Texas	60	Moderate	9.3	121
Clifton Park	New York	60	Moderate	8.8	74
Burbank, IL	Illinois	60	Moderate	13.8	63
Marion, IN	Indiana	60	Moderate	5.7	121
Winchester, VA	Virginia	60	Moderate	9.9	90
Coronado	California	60	Moderate	10.9	81
Medford, NY	New York	60	Moderate	6.7	79
Anaheim	California	59	Moderate	7.9	71
Huntington Beach	California	59	Moderate	7.9	71
Glendale, CA	California	59	Moderate	7.9	71
Garden Grove	California	59	Moderate	7.9	71
Pasadena, CA	California	59	Moderate	7.9	71
Fullerton	California	59	Moderate	7.9	71
El Monte	California	59	Moderate	7.9	71
Costa Mesa	California	59	Moderate	7.9	71
West Covina	California	59	Moderate	7.9	71
College Station	Texas	59	Moderate	10.2	127
Norwalk	California	59	Moderate	7.9	71
Burbank	California	59	Moderate	7.9	71
Whittier	California	59	Moderate	7.9	71
Bryan	Texas	59	Moderate	10.2	127
Gary	Indiana	59	Moderate	7.7	86
Fountain Valley	California	59	Moderate	7.9	71
Cypress, CA	California	59	Moderate	7.9	71
Brea	California	59	Moderate	7.9	71
Monrovia, CA	California	59	Moderate	7.9	71
Valparaiso, IN	Indiana	59	Moderate	7.7	86
Manchester, CT	Connecticut	59	Moderate	4.5	85
Hobart, IN	Indiana	59	Moderate	7.7	86
Zionsville	Indiana	59	Moderate	5.2	116
Stockton	California	58	Moderate	10.5	62
Hartford	Connecticut	58	Moderate	4.1	89
Bristol, CT	Connecticut	58	Moderate	4.1	89
Galveston	Texas	58	Moderate	5.5	118
Atlantic City	New Jersey	58	Moderate	11.4	101
Saint Charles, MD	Maryland	58	Moderate	13.6	93
St. Charles	Maryland	58	Moderate	13.6	93
Burton	Michigan	58	Moderate	11.2	95
Windsor, CT	Connecticut	58	Moderate	4.1	89
Farmington, CT	Connecticut	58	Moderate	4.1	89
Bloomfield, CT	Connecticut	58	Moderate	4.1	89
Dallas	Texas	57	Moderate	15.1	111
San Francisco	California	57	Moderate	14.3	39
Tacoma	Washington	57	Moderate	10.3	24
Bridgeport	Connecticut	57	Moderate	3.5	94
New Haven	Connecticut	57	Moderate	3.5	94
Daly City	California	57	Moderate	14.3	39
San Mateo, CA	California	57	Moderate	14.3	39
Mission Viejo	California	57	Moderate	7.2	71
San Clemente	California	57	Moderate	7.2	71
Schenectady	New York	57	Moderate	7	78
Tinley Park	Illinois	57	Moderate	6.7	89
Anderson	Indiana	57	Moderate	4.8	121
Milford	Connecticut	57	Moderate	3.5	94
Chicago Heights	Illinois	57	Moderate	6.7	89
Belmont	California	57	Moderate	14.3	39
Williston	North Dakota	57	Moderate	3.9	67
Westport	Connecticut	57	Moderate	3.5	94
Graham	Washington	57	Moderate	10.3	24
Munster	Indiana	57	Moderate	6.7	89
Highland, IN	Indiana	57	Moderate	6.7	89
Rotterdam, NY	New York	57	Moderate	7	78
Fremont	California	56	Moderate	8.2	72
Hayward	California	56	Moderate	8.2	72
Elgin	Illinois	56	Moderate	9.1	73
Arlington Heights	Illinois	56	Moderate	9.1	73
Union City	California	56	Moderate	8.2	72
Palatine	Illinois	56	Moderate	9.1	73
Dublin, CA	California	56	Moderate	8.2	72
Newark, CA	California	56	Moderate	8.2	72
Bartlett, IL	Illinois	56	Moderate	9.1	73
Wheeling	Illinois	56	Moderate	9.1	73
St. Charles, IL	Illinois	56	Moderate	9.1	73
Monterey	California	56	Moderate	13.1	72
West Chicago	Illinois	56	Moderate	9.1	73
Ashland	California	56	Moderate	8.2	72
Fort Worth	Texas	55	Moderate	13.1	117
Indianapolis	Indiana	55	Moderate	4.2	116
Arlington	Texas	55	Moderate	13.1	117
Plano	Texas	55	Moderate	14.8	111
Chandler	Arizona	55	Moderate	14.7	79
Gilbert	Arizona	55	Moderate	14.7	79
Garland	Texas	55	Moderate	14.8	111
Irving	Texas	55	Moderate	13.1	117
Grand Prairie	Texas	55	Moderate	13.1	117
Carrollton	Texas	55	Moderate	13.1	117
Richardson	Texas	55	Moderate	14.8	111
Lewisville	Texas	55	Moderate	13.1	117
Allen	Texas	55	Moderate	14.8	111
Scranton	Pennsylvania	55	Moderate	5.2	102
Jonesboro	Arkansas	55	Moderate	7.5	124
Temple	Texas	55	Moderate	10.7	127
Springfield, OH	Ohio	55	Moderate	4.4	109
Harrisonburg	Virginia	55	Moderate	6.9	89
Grapevine	Texas	55	Moderate	13.1	117
Bedford, TX	Texas	55	Moderate	13.1	117
Findlay	Ohio	55	Moderate	3.6	109
Queen Creek	Arizona	55	Moderate	14.7	79
Fairborn	Ohio	55	Moderate	4.4	109
Xenia	Ohio	55	Moderate	4.4	109
Riverside, OH	Ohio	55	Moderate	4.4	109
Newport, RI	Rhode Island	55	Moderate	3.9	85
Bristol, RI	Rhode Island	55	Moderate	3.9	85
Oxford, OH	Ohio	55	Moderate	5.4	117
San Jose	California	54	Moderate	8.6	89
Nashville	Tennessee	54	Moderate	3.7	113
Fresno	California	54	Moderate	11.7	81
Long Beach	California	54	Moderate	14.7	61
Santa Ana	California	54	Moderate	14.7	61
Pittsburgh	Pennsylvania	54	Moderate	8.2	105
Irvine	California	54	Moderate	14.7	61
Providence	Rhode Island	54	Moderate	3.1	89
Sunnyvale	California	54	Moderate	8.6	89
Torrance	California	54	Moderate	14.7	61
Orange	California	54	Moderate	14.7	61
Waco	Texas	54	Moderate	11.6	124
Santa Clara, CA	California	54	Moderate	8.6	89
Clovis	California	54	Moderate	11.7	81
New Bedford	Massachusetts	54	Moderate	3.7	85
Kenosha	Wisconsin	54	Moderate	7.9	70
Carson	California	54	Moderate	14.7	61
Newport Beach	California	54	Moderate	14.7	61
Brentwood, TN	Tennessee	54	Moderate	3.7	113
Delaware	Ohio	54	Moderate	4.8	96
Marion, OH	Ohio	54	Moderate	4.8	96
North Chicago	Illinois	54	Moderate	7.9	70
Milford, MA	Massachusetts	54	Moderate	3.1	89
New Smyrna Beach	Florida	54	Moderate	13.8	92
Zion	Illinois	54	Moderate	7.9	70
Marysville, OH	Ohio	54	Moderate	4.8	96
Lincoln, RI	Rhode Island	54	Moderate	3.1	89
Sacramento	California	53	Moderate	17.4	48
Bakersfield	California	53	Moderate	7.1	63
West Sacramento	California	53	Moderate	17.4	48
Butte	Montana	53	Moderate	9.2	92
Gloucester, MA	Massachusetts	53	Moderate	7.5	64
Port Huron	Michigan	53	Moderate	8.7	89
Lebanon, OH	Ohio	53	Moderate	5.1	113
Austin	Texas	52	Moderate	9.8	116
Anchorage	Alaska	52	Moderate	9.6	9
Salt Lake City	Utah	52	Moderate	11.5	56
Ontario	California	52	Moderate	3.6	76
Pomona	California	52	Moderate	3.6	76
Joliet	Illinois	52	Moderate	5.2	89
Killeen	Texas	52	Moderate	10.5	123
West Valley City	Utah	52	Moderate	11.5	56
West Jordan	Utah	52	Moderate	11.5	56
Manchester, NH	New Hampshire	52	Moderate	1.8	91
Yorba Linda	California	52	Moderate	3.6	76
South Jordan	Utah	52	Moderate	11.5	56
Mansfield, TX	Texas	52	Moderate	10.9	122
Georgetown, TX	Texas	52	Moderate	10.2	120
Redmond	Washington	52	Moderate	5.3	38
Lancaster, TX	Texas	52	Moderate	13	114
Morgantown	West Virginia	52	Moderate	5.4	107
Walnut	California	52	Moderate	3.6	76
Bedford, NH	New Hampshire	52	Moderate	1.8	91
Phoenix	Arizona	51	Moderate	7.8	79
Milwaukee	Wisconsin	51	Moderate	5.6	76
Mesa	Arizona	51	Moderate	7.8	79
Scottsdale	Arizona	51	Moderate	7.8	79
Akron	Ohio	51	Moderate	5	109
Brownsville	Texas	51	Moderate	10.6	107
Santa Rosa, CA	California	51	Moderate	6.2	84
Tempe	Arizona	51	Moderate	7.8	79
Salem, OR	Oregon	51	Moderate	5.1	57
Tempe Junction	Arizona	51	Moderate	7.8	79
Harlingen	Texas	51	Moderate	10.6	107
Albany, OR	Oregon	51	Moderate	5.1	57
Coventry, RI	Rhode Island	51	Moderate	3.3	89
Helena	Montana	51	Moderate	6.2	83
Wheeling, WV	West Virginia	51	Moderate	4.1	98
Windsor, CA	California	51	Moderate	6.2	84
Green	Ohio	51	Moderate	5	109
Fountain Hills	Arizona	51	Moderate	7.8	79
Hudson	Ohio	51	Moderate	5	109
Virginia Beach	Virginia	50	Good	10.4	97
Corpus Christi	Texas	50	Good	10.2	107
Oceanside	California	50	Good	5.5	91
Escondido	California	50	Good	5.5	91
Carlsbad	California	50	Good	5.5	91
Vista	California	50	Good	5.5	91
Ogden	Utah	50	Good	11	45
Layton	Utah	50	Good	11	45
Columbus, IN	Indiana	50	Good	3.1	119
Charlottesville	Virginia	50	Good	7.2	87
Weatherford	Texas	50	Good	9.2	124
Syracuse, UT	Utah	50	Good	11	45
Farmington, UT	Utah	50	Good	11	45
Logan	Utah	49	Good	10.6	60
Burlington, VT	Vermont	49	Good	2.1	80
Las Vegas	Nevada	48	Good	6.7	73
Glendale	Arizona	48	Good	7.7	85
North Las Vegas	Nevada	48	Good	6.7	73
Paradise	Nevada	48	Good	6.7	73
Peoria	Arizona	48	Good	7.7	85
Sunrise Manor	Nevada	48	Good	6.7	73
Spring Valley	Nevada	48	Good	6.7	73
Surprise	Arizona	48	Good	7.7	85
Enterprise	Nevada	48	Good	6.7	73
Winchester, NV	Nevada	48	Good	6.7	73
Cleveland	Ohio	47	Good	7.5	105
Cincinnati	Ohio	47	Good	5.4	114
Kennewick	Washington	47	Good	11	29
Ames	Iowa	47	Good	7	54
Hamilton, OH	Ohio	47	Good	5.4	114
Richland	Washington	47	Good	11	29
Myrtle Beach	South Carolina	47	Good	11.7	89
Yarmouth	Massachusetts	47	Good	5.8	75
Denver	Colorado	46	Good	5.4	64
Aurora	Colorado	46	Good	5.4	64
Spokane	Washington	46	Good	5	43
Lakewood	Colorado	46	Good	5.4	64
Thornton	Colorado	46	Good	5.4	64
Charleston	South Carolina	46	Good	10.3	87
Westminster	Colorado	46	Good	5.4	64
Arvada	Colorado	46	Good	5.4	64
Centennial	Colorado	46	Good	5.4	64
North Charleston	South Carolina	46	Good	10.3	87
San Luis Obispo	California	46	Good	7.9	68
Kingston, NY	New York	46	Good	3	91
Stephenville	Texas	46	Good	8.6	111
San Antonio	Texas	45	Good	9.3	103
Charlotte	North Carolina	45	Good	9.2	87
Knoxville	Tennessee	45	Good	5.5	109
Dayton	Ohio	45	Good	3.9	109
Victoria, TX	Texas	45	Good	7.9	104
Woodland	California	45	Good	11.2	54
Kettering, OH	Ohio	45	Good	3.9	109
Brighton, CO	Colorado	45	Good	7.9	49
Asheboro	North Carolina	45	Good	10.7	86
McAllen	Texas	44	Good	10	105
Mission	Texas	44	Good	10	105
Bozeman	Montana	44	Good	7.5	70
Norwich, CT	Connecticut	44	Good	3	92
San Juan, TX	Texas	44	Good	10	105
Paso Robles	California	44	Good	6.5	76
Kerrville	Texas	44	Good	8.5	104
Golden	Colorado	44	Good	2.9	75
Jacksonville	Florida	43	Good	8.6	87
Henderson	Nevada	43	Good	5.6	65
Norfolk	Virginia	43	Good	7.8	96
Chesapeake	Virginia	43	Good	7.8	96
Temecula	California	43	Good	3.7	87
Murrieta	California	43	Good	3.7	87
Portsmouth, VA	Virginia	43	Good	7.8	96
Suffolk	Virginia	43	Good	7.8	96
Menifee	California	43	Good	3.7	87
Daytona Beach	Florida	43	Good	11.8	91
Saint Charles	Missouri	43	Good	7.7	97
Chesterfield, MO	Missouri	43	Good	7.7	97
Ormond Beach	Florida	43	Good	11.8	91
Kent, OH	Ohio	43	Good	5	107
Honolulu	Hawaii	42	Good	9.9	87
Macon	Georgia	42	Good	9.1	88
Canton, OH	Ohio	42	Good	3.5	103
Alliance	Ohio	42	Good	3.5	103
Richmond	Virginia	41	Good	7.4	89
Wylie	Texas	41	Good	11.8	111
Columbus	Ohio	40	Good	4.4	91
Des Moines	Iowa	40	Good	9.9	56
Wilmington	North Carolina	40	Good	8.2	86
Pompano Beach	Florida	40	Good	4.4	91
Boulder	Colorado	40	Good	4.1	64
Wichita Falls	Texas	40	Good	7.5	110
Boca Raton	Florida	40	Good	4.4	91
Longmont	Colorado	40	Good	4.1	64
Redding	California	40	Good	6.9	66
Greenville	North Carolina	40	Good	8.1	86
Fayetteville, AR	Arkansas	40	Good	2.2	116
Deerfield Beach	Florida	40	Good	4.4	91
Boynton Beach	Florida	40	Good	4.4	91
Dublin, OH	Ohio	40	Good	4.4	91
Hot Springs	Arkansas	40	Good	0.9	114
Paris, TX	Texas	40	Good	8.8	107
Erie, CO	Colorado	40	Good	4.1	64
Louisville, CO	Colorado	40	Good	4.1	64
Miami	Florida	39	Good	4.9	93
Orlando	Florida	39	Good	11.7	89
Hialeah	Florida	39	Good	4.9	93
Fort Lauderdale	Florida	39	Good	4.7	91
Pembroke Pines	Florida	39	Good	4.7	91
Hollywood	Florida	39	Good	4.7	91
Savannah	Georgia	39	Good	9.3	88
Columbia	South Carolina	39	Good	8.2	85
Miramar	Florida	39	Good	4.7	91
Thousand Oaks	California	39	Good	2.2	90
Simi Valley	California	39	Good	2.2	90
Clearwater	Florida	39	Good	9.8	94
Miami Gardens	Florida	39	Good	4.7	91
Greeley	Colorado	39	Good	6	49
Tyler	Texas	39	Good	6.5	119
Davie	Florida	39	Good	4.7	91
Miami Beach	Florida	39	Good	4.9	93
Largo	Florida	39	Good	9.8	94
Kissimmee	Florida	39	Good	9.6	91
Jacksonville, NC	North Carolina	39	Good	7.7	86
Augusta	Georgia	39	Good	8.7	86
Dunedin, FL	Florida	39	Good	9.8	94
Del Rio	Texas	39	Good	8.4	100
Westchester	Florida	39	Good	4.9	93
Evans	Georgia	39	Good	8.7	86
Key West	Florida	39	Good	3.3	90
Kalispell	Montana	39	Good	1.8	66
Evans, CO	Colorado	39	Good	6	49
Lexington, SC	South Carolina	39	Good	8.2	85
Oklahoma City	Oklahoma	38	Good	12.7	125
Atlanta	Georgia	38	Good	8.7	89
Tampa	Florida	38	Good	8.9	92
Laredo	Texas	38	Good	8.1	100
Palm Bay	Florida	38	Good	12.8	88
Brandon	Florida	38	Good	8.9	92
Concord, NC	North Carolina	38	Good	9	86
Melbourne, FL	Florida	38	Good	12.8	88
Mansfield, OH	Ohio	38	Good	2.8	107
Farmington	New Mexico	38	Good	2.2	73
Petersburg	Virginia	38	Good	7.1	89
Yukon	Oklahoma	38	Good	12.7	125
Austin, MN	Minnesota	38	Good	5	54
Chester, VA	Virginia	38	Good	7.1	89
Union City, GA	Georgia	38	Good	8.7	89
Ashland, OH	Ohio	38	Good	2.8	107
Raleigh	North Carolina	37	Good	7.8	83
New Orleans	Louisiana	37	Good	7.4	100
Worcester	Massachusetts	37	Good	2.1	91
Little Rock	Arkansas	37	Good	2.8	121
Birmingham, AL	Alabama	37	Good	9.3	97
Cary	North Carolina	37	Good	7.8	83
Topeka	Kansas	37	Good	6.2	99
Sandy Springs	Georgia	37	Good	8.4	91
Roswell	Georgia	37	Good	8.4	91
Wellington, FL	Florida	37	Good	3.5	86
Marietta	Georgia	37	Good	8.4	91
Smyrna	Georgia	37	Good	8.4	91
Kennesaw	Georgia	37	Good	8.4	91
Aiken	South Carolina	37	Good	8.4	85
Sherwood	Arkansas	37	Good	2.8	121
Duluth, GA	Georgia	37	Good	8.4	91
Carlsbad, NM	New Mexico	37	Good	2.6	70
Eagle Pass	Texas	37	Good	8.9	99
Enterprise, AL	Alabama	37	Good	10.7	89
Marshall	Texas	37	Good	2	114
Riverside	California	36	Good	1.9	90
Chula Vista	California	36	Good	1.9	94
San Bernardino	California	36	Good	1.9	90
Fontana	California	36	Good	1.9	90
Moreno Valley	California	36	Good	1.9	90
Aurora, IL	Illinois	36	Good	3.6	91
Overland Park	Kansas	36	Good	6.3	103
Santa Clarita	California	36	Good	2.2	81
Rancho Cucamonga	California	36	Good	1.9	90
Corona	California	36	Good	1.9	90
Kansas City, KS	Kansas	36	Good	6.3	103
Valencia, CA	California	36	Good	2.2	81
Naperville	Illinois	36	Good	3.6	91
Gainesville	Florida	36	Good	7	83
Syracuse	New York	36	Good	5.4	90
Olathe	Kansas	36	Good	6.3	103
Rochester, MN	Minnesota	36	Good	2.9	61
El Cajon	California	36	Good	1.9	94
Rialto	California	36	Good	1.9	90
Redlands	California	36	Good	1.9	90
Youngstown	Ohio	36	Good	5.2	104
Eastvale	California	36	Good	1.9	90
Clay	New York	36	Good	5.4	90
Highland	California	36	Good	1.9	90
Caldwell	Idaho	36	Good	5	51
Biloxi	Mississippi	36	Good	8.1	96
Concord, NH	New Hampshire	36	Good	1.4	88
Warren, OH	Ohio	36	Good	5.2	104
Leavenworth	Kansas	36	Good	6.3	103
Oswego	Illinois	36	Good	3.6	91
Navarre	Florida	36	Good	8.1	90
Jacksonville, AR	Arkansas	36	Good	3.1	117
Spring Valley, CA	California	36	Good	1.9	94
Greenville, TX	Texas	36	Good	10.7	103
Venice, FL	Florida	36	Good	7.5	86
Kansas City	Missouri	35	Good	6.9	106
Baton Rouge	Louisiana	35	Good	5.3	107
Springfield	Missouri	35	Good	2.3	112
Independence	Missouri	35	Good	6.9	106
Roanoke	Virginia	35	Good	7.2	84
Fort Myers	Florida	35	Good	6	81
Gulfport	Mississippi	35	Good	7.6	94
Portland, ME	Maine	35	Good	3.4	70
Manhattan, KS	Kansas	35	Good	6.4	103
Port Charlotte	Florida	35	Good	6	81
Pensacola	Florida	35	Good	7.4	89
Alexandria, LA	Louisiana	35	Good	2.3	104
Charleston, WV	West Virginia	35	Good	5.6	96
Smyrna, TN	Tennessee	35	Good	3.6	112
Wausau	Wisconsin	35	Good	3.2	62
Gainesville, GA	Georgia	35	Good	7.2	88
Florence, SC	South Carolina	35	Good	7.5	83
Rome, GA	Georgia	35	Good	8	94
Wenatchee	Washington	35	Good	6.3	57
Liberty	Missouri	35	Good	6.9	106
Central	Louisiana	35	Good	5.3	107
Gladstone, MO	Missouri	35	Good	6.9	106
Canton, GA	Georgia	35	Good	7	89
Salem, VA	Virginia	35	Good	7.2	84
Oxford, MS	Mississippi	35	Good	2.2	104
El Paso	Texas	34	Good	6.4	81
Memphis	Tennessee	34	Good	3.2	121
Louisville	Kentucky	34	Good	4	123
St. Louis	Missouri	34	Good	5	95
Durham	North Carolina	34	Good	7.2	84
Huntsville	Alabama	34	Good	6.7	93
Fayetteville	North Carolina	34	Good	7.4	84
Mobile	Alabama	34	Good	7.8	92
Fort Collins	Colorado	34	Good	4.7	63
Jackson	Mississippi	34	Good	4.6	93
Jackson, TN	Tennessee	34	Good	1.9	111
Bartlett	Tennessee	34	Good	3.2	121
Wilson	North Carolina	34	Good	7.4	84
Huntington	West Virginia	34	Good	4.7	99
Hattiesburg	Mississippi	34	Good	8	92
Texarkana	Texas	34	Good	1.4	112
Wildwood	Missouri	34	Good	2.5	123
Windsor, CO	Colorado	34	Good	4.7	63
Greenville, MS	Mississippi	34	Good	3.2	104
Parkersburg	West Virginia	34	Good	4.5	94
Texarkana, AR	Arkansas	34	Good	1.4	112
Pearl	Mississippi	34	Good	4.6	93
Madison, MS	Mississippi	34	Good	4.6	93
Golden Gate	Florida	34	Good	3.3	84
Brandon, MS	Mississippi	34	Good	4.6	93
Pascagoula	Mississippi	34	Good	7.8	93
Lumberton	North Carolina	34	Good	7.2	85
Naples, FL	Florida	34	Good	3.3	84
Tulsa	Oklahoma	33	Good	6.3	107
Meads	Kentucky	33	Good	3.4	103
Reno	Nevada	33	Good	1.5	91
Columbus, GA	Georgia	33	Good	8.1	88
Sparks	Nevada	33	Good	1.5	91
Valdosta	Georgia	33	Good	7.7	83
Meridian, MS	Mississippi	33	Good	6.1	89
Panama City, FL	Florida	33	Good	6.5	83
Richmond, KY	Kentucky	33	Good	3.6	117
Juneau	Alaska	33	Good	4.7	59
Jamestown	New York	33	Good	4.2	103
Athens, OH	Ohio	33	Good	4.8	99
Oxford, AL	Alabama	33	Good	8.1	96
Charleston, IL	Illinois	33	Good	3	111
Ashland, KY	Kentucky	33	Good	3.4	103
Wichita	Kansas	32	Good	5.4	102
Boise	Idaho	32	Good	4	64
Amarillo	Texas	32	Good	0.5	76
Montgomery	Alabama	32	Good	8.1	90
Eugene	Oregon	32	Good	4.4	56
Meridian	Idaho	32	Good	4	64
Nampa	Idaho	32	Good	4	64
Albany, GA	Georgia	32	Good	7.3	85
Greenville, SC	South Carolina	32	Good	8.1	86
Utica	New York	32	Good	4.4	89
Springfield, OR	Oregon	32	Good	4.4	56
Joplin	Missouri	32	Good	3.1	105
Lincoln, CA	California	32	Good	4.9	75
Salina	Kansas	32	Good	7	112
Madison, AL	Alabama	32	Good	6.8	93
Hickory	North Carolina	32	Good	8.6	86
Lancaster, OH	Ohio	32	Good	3.4	101
Oakville, MO	Missouri	32	Good	4.8	118
Anderson, SC	South Carolina	32	Good	8.1	85
Athens, AL	Alabama	32	Good	6.8	93
Eagle	Idaho	32	Good	4	64
Derby, KS	Kansas	32	Good	5.4	102
Buffalo	New York	31	Good	3.6	101
Athens, GA	Georgia	31	Good	7.9	82
Green Bay	Wisconsin	31	Good	4.1	77
Santa Fe, NM	New Mexico	31	Good	2.2	79
Waukesha	Wisconsin	31	Good	2.9	88
Great Falls	Montana	31	Good	3.6	53
Niagara Falls, NY	New York	31	Good	3.6	101
Roswell, NM	New Mexico	31	Good	2.3	72
Dover, NH	New Hampshire	31	Good	3.5	75
Rochester, NH	New Hampshire	31	Good	3.5	75
Bristol, TN	Tennessee	31	Good	5.1	86
Columbus, MS	Mississippi	31	Good	6.9	98
Portsmouth, NH	New Hampshire	31	Good	3.5	75
Greensboro	North Carolina	30	Good	7.2	81
Oxnard	California	30	Good	8.1	66
Evansville	Indiana	30	Good	4.3	116
Ventura	California	30	Good	8.1	66
Eau Claire	Wisconsin	30	Good	1.1	63
Cheyenne	Wyoming	30	Good	6.4	55
Burlington, NC	North Carolina	30	Good	7.2	81
Jefferson City	Missouri	30	Good	2.1	107
Florence, AL	Alabama	30	Good	6.4	98
Columbia, TN	Tennessee	30	Good	3.9	107
Fairbanks	Alaska	30	Good	8.3	31
Florence, KY	Kentucky	30	Good	3.6	115
Henderson, KY	Kentucky	30	Good	4.3	116
Eureka	California	30	Good	5.6	74
Portsmouth, OH	Ohio	30	Good	3.3	104
Elko	Nevada	30	Good	5.5	80
Rochester	New York	29	Good	4.5	94
Las Cruces	New Mexico	29	Good	6.6	82
Erie	Pennsylvania	29	Good	4.4	104
Appleton	Wisconsin	29	Good	4.9	76
Yuba City	California	29	Good	4.3	61
Oshkosh	Wisconsin	29	Good	1.9	81
Pocatello	Idaho	29	Good	6.2	61
Cleveland, TN	Tennessee	29	Good	4.9	103
Brighton, NY	New York	29	Good	4.5	94
Rome, NY	New York	29	Good	4.7	88
San Luis, AZ	Arizona	29	Good	2.9	89
Florence, AZ	Arizona	29	Good	4	95
Lebanon	Tennessee	29	Good	3.3	119
Watertown, NY	New York	29	Good	4.1	90
Watertown, WI	Wisconsin	29	Good	2.5	87
Lexington	Kentucky	28	Good	4.2	115
Lexington-Fayette	Kentucky	28	Good	4.2	115
Madison	Wisconsin	28	Good	2.3	87
Columbia, MO	Missouri	28	Good	3.1	105
Flagstaff	Arizona	28	Good	1.4	101
Morristown	Tennessee	28	Good	5.7	97
Zanesville	Ohio	28	Good	3.6	100
Albuquerque	New Mexico	27	Good	3.3	75
Tucson	Arizona	27	Good	4.1	91
Omaha	Nebraska	27	Good	7.3	45
Minneapolis	Minnesota	27	Good	4.7	44
Saint Paul	Minnesota	27	Good	4.7	44
Duluth	Minnesota	27	Good	3.4	70
Grand Junction	Colorado	27	Good	1.1	85
Idaho Falls	Idaho	27	Good	6.4	55
Normal	Illinois	27	Good	1.5	111
Newark, OH	Ohio	27	Good	3.8	97
Richfield	Minnesota	27	Good	4.7	44
Superior	Wisconsin	27	Good	3.4	70
Farmington, MN	Minnesota	27	Good	4.7	44
Pittsburg, KS	Kansas	27	Good	2.7	95
Colorado Springs	Colorado	26	Good	2.3	73
Victorville	California	26	Good	1.1	90
Billings	Montana	26	Good	3.4	60
Johnson City	Tennessee	26	Good	5.1	90
Janesville	Wisconsin	26	Good	2.7	80
Georgetown, KY	Kentucky	26	Good	3.1	107
Fountain	Colorado	26	Good	2.3	73
Rexburg	Idaho	26	Good	6.6	75
Independence, KY	Kentucky	26	Good	3.4	112
Klamath Falls	Oregon	26	Good	0.8	62
Rockford	Illinois	25	Good	2.5	82
Peoria, IL	Illinois	25	Good	2.7	99
North Peoria	Illinois	25	Good	2.7	99
Rapid City	South Dakota	25	Good	5.6	55
Prescott	Arizona	25	Good	1.6	91
Quincy, IL	Illinois	25	Good	2.1	98
Marion	Iowa	25	Good	2.7	79
Burlington, IA	Iowa	25	Good	2.5	86
Springfield, IL	Illinois	24	Good	2.2	102
Pueblo	Colorado	24	Good	2.8	63
Davenport	Iowa	24	Good	3.2	80
Waterloo, IA	Iowa	24	Good	4.4	72
Pueblo West	Colorado	24	Good	2.8	63
Bend	Oregon	23	Good	1.3	63
Carson City	Nevada	23	Good	1.8	76
Coachella	California	23	Good	1.2	80
Bangor, ME	Maine	23	Good	2.5	83
Hastings, NE	Nebraska	23	Good	4	54
Hastings, MN	Minnesota	23	Good	2.2	55
Lincoln	Nebraska	22	Good	5.2	51
Coeur d'Alene	Idaho	22	Good	4.8	55
Post Falls	Idaho	22	Good	4.8	55
Bismarck	North Dakota	21	Good	2.7	65
Watertown, SD	South Dakota	21	Good	1.1	53
Yakima	Washington	20	Good	5.8	56
Grand Forks	North Dakota	20	Good	2.2	64
Grants Pass	Oregon	20	Good	1.5	74
Washington, UT	Utah	20	Good	2.2	67
Lancaster	California	19	Good	1.6	77
Yuma	Arizona	19	Good	2.3	83
Kearney	Nebraska	19	Good	4.2	44
Fremont, NE	Nebraska	19	Good	3.9	48
Moscow, ID	Idaho	19	Good	1.9	59
Medford	Oregon	18	Good	1.6	64
Mankato	Minnesota	18	Good	2.6	52
Redmond, OR	Oregon	18	Good	1.8	56
Brookings	South Dakota	18	Good	2.6	49
Columbus, NE	Nebraska	18	Good	5.4	52
Sioux Falls	South Dakota	17	Good	2.5	45
Fargo	North Dakota	17	Good	3.6	56
Hilo	Hawaii	17	Good	4.3	39
Plymouth, MN	Minnesota	16	Good	2.3	57
Casper	Wyoming	16	Good	2.9	59
Minnetonka	Minnesota	16	Good	2.3	57
Norfolk, NE	Nebraska	16	Good	4.8	59
Ashland, OR	Oregon	16	Good	1.3	69
Walla Walla	Washington	15	Good	1.1	50
Aberdeen, SD	South Dakota	13	Good	2.7	44

Air quality by state

Region	Cities	Average US AQI	Category
New Jersey	17	88	Moderate
Pennsylvania	14	84	Moderate
Delaware	3	77	Moderate
Michigan	22	69	Moderate
Massachusetts	29	67	Moderate
District of Columbia	1	65	Moderate
Maryland	8	63	Moderate
New York	30	62	Moderate
Connecticut	13	59	Moderate
Indiana	14	57	Moderate
Rhode Island	5	54	Moderate
Washington	20	53	Moderate
California	107	51	Moderate
Texas	55	50	Good
Virginia	17	49	Good
Vermont	1	49	Good
Utah	10	48	Good
Illinois	25	46	Good
Ohio	35	46	Good
New Hampshire	8	45	Good
Arizona	18	43	Good
Oregon	17	43	Good
Nevada	12	42	Good
Montana	6	41	Good
West Virginia	5	41	Good
Arkansas	7	40	Good
Florida	38	39	Good
South Carolina	9	39	Good
Colorado	22	38	Good
Alaska	3	38	Good
North Carolina	15	37	Good
Tennessee	13	36	Good
Oklahoma	3	36	Good
Georgia	19	36	Good
Louisiana	4	36	Good
Missouri	13	35	Good
Kansas	10	34	Good
Mississippi	12	34	Good
Wisconsin	12	33	Good
Alabama	9	33	Good
New Mexico	6	32	Good
Iowa	6	31	Good
Kentucky	10	30	Good
Hawaii	2	30	Good
North Dakota	4	29	Good
Maine	2	29	Good
Idaho	11	28	Good
Minnesota	11	26	Good
Wyoming	2	23	Good
Nebraska	7	21	Good
South Dakota	5	19	Good

What the US AQI numbers mean

US AQI	Category	What it means
0-50	Good	Air quality is satisfactory and poses little or no risk; a good time for outdoor activity.
51-100	Moderate	Acceptable for most people. Unusually sensitive people should consider shortening long or heavy exertion outdoors.
101-150	Unhealthy for Sensitive Groups	People with heart or lung disease, older adults, children and teens should cut back on prolonged or heavy exertion outdoors.
151-200	Unhealthy	Everyone should reduce prolonged or heavy exertion outdoors; sensitive groups should avoid it and keep windows closed.
201-300	Very Unhealthy	Health alert: everyone should avoid prolonged or heavy exertion outdoors, and sensitive groups should stay indoors.
301-500	Hazardous	Emergency conditions: everyone should avoid all outdoor physical activity and stay indoors with filtered air if possible. The scale tops out at 500; heavier dust or smoke is shown as 500.

Modelled by CAMS (Copernicus) via Open-Meteo, refreshed twice a day; read hour by hour from the forecast.

By state / province

Data: Open-Meteo Air Quality API, Copernicus Atmosphere Monitoring Service (CAMS).

Air quality in United States today

Air quality in United States today

United States cities by AQI (most polluted first)

Air quality by state

What the US AQI numbers mean

By state / province

More