Air Pollution in United States

Share: aqicn.org/country/united-states/
Current Air Quality
107
Unhealthy
for Sensitive Groups
on Wednesday, Nov 11th 2026, 01:00 am
Past 24 hours Air Quality

Cities with the worst air quality

#AQICity
1
143
Rapid City
2
117
Fresno
3
116
Shafter
4
114
Ripon
5
112
Delano
6
109
Riverbank
7
108
Chowchilla
8
106
Tulare
9
99
Ceres
10
95
Commerce City
11
94
Saginaw
12
89
Tulsa
13
86
Augusta
14
86
Rancho San Diego
15
85
Hurst
16
85
Chattanooga
17
85
Clovis
18
81
Wilmington
19
81
Rio Linda
20
80
Hanford
21
78
Bakersfield
22
78
West Sacramento
23
77
Florin
24
77
Elk Grove
25
74
Lathrop
26
73
Lancaster
27
71
West Valley City
28
71
Texarkana
29
71
Rubidoux
30
70
Bessemer
31
70
North Salt Lake
32
70
Waco
33
70
Madera
34
68
Porterville
35
68
Ferry Pass
36
66
Murray
37
65
Fort Worth
38
65
Linda
39
65
Socorro
40
64
Gadsden
41
64
Dallas
42
64
Bayou Cane
43
64
Decatur
44
64
Houston
45
64
Altamont
46
63
South Salt Lake
47
63
Syracuse
48
63
Pasadena
49
63
Greenville
50
62
Humble

Cities with the best air quality

#AQICity
1
1
Dedham
2
1
Makakilo City
3
1
Menlo Park
4
1
Fairwood
5
1
Grafton
6
2
Fairbanks
7
2
Chinatown
8
2
Concord
9
3
Warren
10
3
Maple Valley
11
3
Lake Jackson
12
3
Spring Valley
13
3
Picnic Point-North Lynnwood
14
3
Kirkland
15
4
Leesburg
16
4
San Gabriel
17
4
Redmond
18
4
Hayesville
19
4
Loveland
20
4
Eastmont
21
4
Eagle River
22
4
Lemont
23
4
The Woodlands
24
4
Badger
25
5
Mount Vernon
26
5
North Bethesda
27
5
Easton
28
5
San Pablo
29
5
Melville
30
5
San Rafael
31
5
Damascus
32
5
Kīhei
33
5
Universal City
34
6
Carlsbad
35
6
East Brunswick
36
6
Seguin
37
6
Palo Alto
38
6
Rockwall
39
7
Longview
40
7
Woodburn
41
7
Harlingen
42
7
Weatherford
43
7
Glendale
44
7
Evans
45
7
Benbrook
46
7
Laguna Hills
47
7
Everett
48
8
Redmond
49
8
Bangor
50
8
Prosper
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very Unhealthy
Hazardous

Air Quality Forecast

Air quality historical data


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Known Countries in the World

Africa

🇧🇼 Botswana 🇧🇫 Burkina Faso 🇨🇫 Central African Republic 🇨🇩 Congo, The Democratic Republic Of 🇪🇬 Egypt 🇬🇶 Equatorial Guinea 🇪🇹 Federal Democratic Republic of Ethiopia 🇰🇲 Federal Islamic Republic of the Comoros 🇸🇴 Federal Republic of Somalia 🇬🇦 Gabonese Republic 🇬🇭 Ghana
60
 🇱🇾 Great Socialist People’s Libyan Arab Jamahiriya 🇲🇷 Islamic Republic of Mauritania 🇨🇮 Ivory Coast
74
 🇰🇪 Kenya
61
 🇲🇦 Kingdom of Morocco
32
 🇱🇸 Lesotho
39
 🇱🇷 Liberia 🇲🇼 Malawi 🇲🇱 Mali 🇲🇺 Mauritius
1
 🇾🇹 Mayotte
40
 🇳🇦 Namibia 🇳🇬 Nigeria
71
 🇩🇿 People’s Democratic Republic of Algeria 🇦🇴 Republic of Angola 🇧🇯 Republic of Benin 🇧🇮 Republic of Burundi 🇨🇻 Republic of Cabo Verde 🇨🇲 Republic of Cameroon
66
 🇹🇩 Republic of Chad 🇩🇯 Republic of Djibouti 🇬🇳 Republic of Guinea 🇬🇼 Republic of Guinea-Bissau 🇲🇬 Republic of Madagascar 🇲🇿 Republic of Mozambique
29
 🇳🇪 Republic of Niger 🇷🇼 Republic of Rwanda
55
 🇸🇳 Republic of Senegal
55
 🇿🇦 Republic of South Africa
88
 🇸🇸 Republic of South Sudan 🇨🇬 Republic of the Congo 🇷🇪 Réunion
19
 🇸🇭 Saint Helena 🇸🇨 Seychelles 🇸🇱 Sierra Leone
58
 🇪🇷 State of Eritrea 🇸🇩 Sudan 🇸🇿 Swaziland 🇸🇹 São Tomé and Príncipe 🇹🇿 Tanzania
61
 🇬🇲 The Gambia
81
 🇹🇬 Togolese Republic 🇹🇳 Tunisian Republic 🇺🇬 Uganda
65
 🇪🇭 Western Sahara 🇿🇲 Zambia
64
 🇿🇼 Zimbabwe
39

Antarctica

🇦🇶 Antarctica 🇧🇻 Bouvet Island 🇹🇫 French Southern Territories 🇭🇲 Heard Island and McDonald Islands 🇬🇸 South Georgia and the South Sandwich Islands

Asia

🇧🇩 Bangladesh
168
 🇧🇹 Bhutan
64
 🇮🇴 British Indian Ocean Territory 🇧🇳 Brunei Darussalam 🇰🇭 Cambodia
4
 🇨🇳 China
175
 🇨🇽 Christmas Island 🇨🇨 Cocos [Keeling] Islands 🇳🇵 Federal Democratic Republic of Nepal
162
 🇬🇪 Georgian Soviet Socialist Republic
27
 🇯🇴 Hashemite Kingdom of Jordan
23
 🇭🇰 Hong Kong
44
 🇮🇳 India
364
 🇮🇷 Iran 🇦🇫 Islamic Republic of Afghanistan 🇵🇰 Islamic Republic of Pakistan
386
 🇯🇵 Japan
42
 🇧🇭 Kingdom of Bahrain 🇸🇦 Kingdom of Saudi Arabia 🇹🇭 Kingdom of Thailand
67
 🇰🇬 Kyrgyzstan
85
 🇱🇦 Laos
12
 🇲🇴 Macao
53
 🇲🇾 Malaysia
66
 🇲🇳 Mongolia 🇲🇲 Myanmar [Burma]
56
 🇰🇵 North Korea 🇵🇸 Palestine
46
 🇵🇭 Philippines
63
 🇦🇲 Republic of Armenia
39
 🇦🇿 Republic of Azerbaijan
53
 🇮🇩 Republic of Indonesia
145
 🇮🇶 Republic of Iraq 🇰🇿 Republic of Kazakhstan
111
 🇰🇷 Republic of Korea
77
 🇱🇧 Republic of Lebanon
86
 🇲🇻 Republic of Maldives
32
 🇹🇯 Republic of Tajikistan
21
 🇺🇿 Republic of Uzbekistan
36
 🇸🇬 Singapore
65
 🇻🇳 Socialist Republic of Vietnam
36
 🇱🇰 Sri Lanka
52
 🇮🇱 State of Israel
65
 🇰🇼 State of Kuwait
34
 🇶🇦 State of Qatar
2
 🇴🇲 Sultanate of Oman
27
 🇸🇾 Syrian Arab Republic
151
 🇹🇼 Taiwan
59
 🇹🇷 Turkey
141
 🇹🇲 Turkmenistan
30
 🇦🇪 United Arab Emirates
99
 🇾🇪 Yemen

Europe

🇧🇦 Bosnia and Herzegovina
61
 🇨🇾 Cyprus
32
 🇨🇿 Czech Republic
79
 🇫🇴 Faroe Islands 🇫🇮 Finland
37
 🇫🇷 France
90
 🇩🇪 Germany
157
 🇬🇮 Gibraltar
35
 🇱🇺 Grand Duchy of Luxembourg
62
 🇬🇷 Greece
75
 🇬🇬 Guernsey 🇻🇦 Holy See (Vatican City State) 🇭🇺 Hungary
102
 🇮🇲 Isle of Man 🇮🇹 Italy
116
 🇯🇪 Jersey 🇧🇪 Kingdom of Belgium
96
 🇩🇰 Kingdom of Denmark
40
 🇳🇴 Kingdom of Norway
49
 🇸🇪 Kingdom of Sweden
72
 🇱🇻 Latvia
37
 🇲🇰 Macedonia
109
 🇲🇹 Malta
28
 🇲🇨 Monaco
40
 🇲🇪 Montenegro
62
 🇳🇱 Netherlands
137
 🇵🇱 Poland
162
 🇵🇹 Portuguese Republic
35
 🇦🇩 Principality of Andorra
21
 🇱🇮 Principality of Liechtenstein
30
 🇦🇱 Republic of Albania
18
 🇦🇹 Republic of Austria
80
 🇧🇾 Republic of Belarus
45
 🇧🇬 Republic of Bulgaria
133
 🇭🇷 Republic of Croatia
107
 🇪🇪 Republic of Estonia
34
 🇮🇸 Republic of Iceland
48
 🇮🇪 Republic of Ireland
57
 🇽🇰 Republic of Kosovo 🇱🇹 Republic of Lithuania
10
 🇲🇩 Republic of Moldova
79
 🇸🇮 Republic of Slovenia
41
 🇷🇴 Romania
126
 🇷🇺 Russia
78
 🇸🇲 San Marino 🇷🇸 Serbia
157
 🇸🇰 Slovak Republic
70
 🇪🇸 Spain
66
 🇸🇯 Svalbard and Jan Mayen 🇨🇭 Switzerland
47
 🇺🇦 Ukraine
42
 🇬🇧 United Kingdom
132
 🇦🇽 Åland Islands

North America

🇦🇮 Anguilla 🇦🇬 Antigua and Barbuda 🇦🇼 Aruba
53
 🇧🇧 Barbados 🇧🇿 Belize 🇧🇲 Bermuda 🇧🇶 Bonaire, Saint Eustatius, and Saba
17
 🇻🇬 British Virgin Islands 🇨🇦 Canada
44
 🇰🇾 Cayman Islands 🇨🇼 Curaçao 🇩🇲 Dominica 🇩🇴 Dominican Republic
6
 🇬🇱 Greenland 🇬🇩 Grenada 🇬🇵 Guadeloupe
23
 🇯🇲 Jamaica 🇲🇶 Martinique
19
 🇲🇽 Mexico
113
 🇲🇸 Montserrat 🇵🇷 Puerto Rico 🇨🇷 Republic of Costa Rica
21
 🇨🇺 Republic of Cuba 🇸🇻 Republic of El Salvador
43
 🇬🇹 Republic of Guatemala
21
 🇭🇹 Republic of Haiti 🇭🇳 Republic of Honduras
42
 🇳🇮 Republic of Nicaragua
2
 🇵🇦 Republic of Panama 🇧🇱 Saint Barthélemy 🇰🇳 Saint Kitts and Nevis 🇱🇨 Saint Lucia 🇲🇫 Saint Martin 🇵🇲 Saint Pierre and Miquelon 🇻🇨 Saint Vincent and the Grenadines 🇸🇽 Sint Maarten 🇧🇸 The Bahamas 🇹🇹 Trinidad and Tobago
22
 🇹🇨 Turks and Caicos Islands 🇻🇮 U.S. Virgin Islands 🇺🇸 United States
106

Oceania

🇦🇸 American Samoa 🇦🇺 Australia
51
 🇨🇰 Cook Islands 🇹🇱 East Timor 🇫🇯 Fiji 🇵🇫 French Polynesia 🇬🇺 Guam 🇼🇸 Independent State of Samoa 🇰🇮 Kiribati 🇲🇭 Marshall Islands 🇫🇲 Micronesia 🇳🇨 New Caledonia
33
 🇳🇿 New Zealand
22
 🇳🇺 Niue 🇳🇫 Norfolk Island 🇲🇵 Northern Mariana Islands 🇵🇼 Palau 🇵🇬 Papua New Guinea 🇵🇳 Pitcairn Islands 🇳🇷 Republic of Nauru 🇻🇺 Republic of Vanuatu 🇸🇧 Solomon Islands 🇹🇰 Tokelau 🇹🇴 Tonga 🇹🇻 Tuvalu 🇺🇲 U.S. Minor Outlying Islands 🇼🇫 Wallis and Futuna

South America

🇦🇷 Argentine Republic
9
 🇧🇴 Bolivia, Plurinational State Of 🇧🇷 Brazil
47
 🇫🇰 Colony of the Falkland Islands 🇬🇫 French Guiana
19
 🇬🇾 Guyana 🇺🇾 Oriental Republic of Uruguay 🇨🇱 Republic of Chile
66
 🇨🇴 Republic of Colombia
54
 🇪🇨 Republic of Ecuador
70
 🇵🇾 Republic of Paraguay
69
 🇵🇪 Republic of Peru
53
 🇸🇷 Republic of Suriname 🇻🇪 Venezuela

About the Air Quality and Pollution Measurement:

About the Air Quality Levels

AQIAir Pollution LevelHealth ImplicationsCautionary Statement (for PM2.5)
0 - 50GoodAir quality is considered satisfactory, and air pollution poses little or no riskNone
51 -100ModerateAir 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.Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.
101-150Unhealthy for Sensitive GroupsMembers of sensitive groups may experience health effects. The general public is not likely to be affected.Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.
151-200UnhealthyEveryone may begin to experience health effects; members of sensitive groups may experience more serious health effectsActive children and adults, and people with respiratory disease, such as asthma, should avoid prolonged outdoor exertion; everyone else, especially children, should limit prolonged outdoor exertion
201-300Very UnhealthyHealth warnings of emergency conditions. The entire population is more likely to be affected.Active children and adults, and people with respiratory disease, such as asthma, should avoid all outdoor exertion; everyone else, especially children, should limit outdoor exertion.
300+HazardousHealth alert: everyone may experience more serious health effectsEveryone should avoid all outdoor exertion

To know more about Air Quality and Pollution, check the wikipedia Air Quality topic or the airnow guide to Air Quality and Your Health.

For very useful health advices of Beijing Doctor Richard Saint Cyr MD, check www.myhealthbeijing.com blog.


Usage Notice: All the Air Quality data are unvalidated at the time of publication, and due to quality assurance these data may be amended, without notice, at any time. The World Air Quality Index project has exercised all reasonable skill and care in compiling the contents of this information and under no circumstances will the World Air Quality Index project team or its agents be liable in contract, tort or otherwise for any loss, injury or damage arising directly or indirectly from the supply of this data.