Air Pollution in Canada

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Current Air Quality
78
Moderate
on Sunday, May 17th 2026, 19:00 pm
Past 24 hours Air Quality

Cities with the worst air quality

#AQICity
1
101
East York
2
86
Waterloo
3
85
North York
4
80
Newmarket
5
78
Barrie
6
78
Etobicoke
7
72
Scarborough
8
72
Milton
9
72
Mississauga
10
70
Brantford
11
70
Alliston
12
68
St. Thomas
13
68
Guelph
14
65
Brampton
15
65
Kitchener
16
63
Oakville
17
63
Oshawa
18
61
Saint-Lazare
19
61
Victoriaville
20
59
Vaughan
21
59
Les Coteaux
22
57
London
23
55
Burlington
24
55
Granby
25
55
Edmonton
26
55
Sarnia
27
53
Chambly
28
53
Cornwall
29
53
Chatham
30
53
Peterborough
31
52
Drummondville
32
52
Brossard
33
52
Saint John
34
50
Hamilton
35
50
St. Catharines
36
46
Sherwood Park
37
43
Sorel-Tracy
38
42
Belleville
39
42
St. Albert
40
40
Halifax
41
39
Laval
42
38
Willowdale
43
38
Port Alberni
44
37
Terrebonne
45
36
Edmundston
46
36
Nepean
47
35
Saint-Léonard
48
35
Beloeil
49
34
Longueuil
50
34
Ottawa

Cities with the best air quality

#AQICity
1
1
Campbell River
2
4
West Vancouver
3
6
Coquitlam
4
6
Cochrane
5
6
Kelowna
6
7
Port Moody
7
7
Kamloops
8
8
Duncan
9
8
Medicine Hat
10
8
Burnaby
11
8
New Westminster
12
8
Mount Pearl
13
9
Vernon
14
9
Pitt Meadows
15
10
North Vancouver
16
10
Saskatoon
17
10
Courtenay
18
11
Dartmouth
19
11
Winnipeg
20
12
Airdrie
21
12
Langley
22
12
Fort St. John
23
12
Tsawwassen
24
12
Squamish
25
12
Victoria
26
13
Nanaimo
27
13
Regina
28
13
St. John's
29
13
Prince Albert
30
14
Sydney
31
14
Rouyn-Noranda
32
14
Corner Brook
33
14
North Bay
34
15
Richmond
35
15
Lethbridge
36
15
Delta
37
15
Maple Ridge
38
15
Cranbrook
39
16
Calgary
40
16
Thunder Bay
41
16
New Glasgow
42
17
Chilliwack
43
17
North Cowichan
44
17
Greater Sudbury
45
18
Langford
46
20
Brandon
47
21
Pointe-Claire
48
22
Sault Ste. Marie
49
22
Sept-Îles
50
23
Prince George
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
93
 🇰🇲 Federal Islamic Republic of the Comoros 🇸🇴 Federal Republic of Somalia 🇬🇦 Gabonese Republic 🇬🇭 Ghana
50
 🇱🇾 Great Socialist People’s Libyan Arab Jamahiriya 🇲🇷 Islamic Republic of Mauritania 🇨🇮 Ivory Coast
59
 🇰🇪 Kenya
38
 🇲🇦 Kingdom of Morocco
30
 🇱🇸 Lesotho
61
 🇱🇷 Liberia 🇲🇼 Malawi 🇲🇱 Mali 🇲🇺 Mauritius 🇾🇹 Mayotte
30
 🇳🇦 Namibia 🇳🇬 Nigeria
32
 🇩🇿 People’s Democratic Republic of Algeria 🇦🇴 Republic of Angola 🇧🇯 Republic of Benin 🇧🇮 Republic of Burundi 🇨🇻 Republic of Cabo Verde
40
 🇨🇲 Republic of Cameroon
13
 🇹🇩 Republic of Chad 🇩🇯 Republic of Djibouti 🇬🇳 Republic of Guinea 🇬🇼 Republic of Guinea-Bissau 🇲🇬 Republic of Madagascar 🇲🇿 Republic of Mozambique 🇳🇪 Republic of Niger 🇷🇼 Republic of Rwanda
33
 🇸🇳 Republic of Senegal
43
 🇿🇦 Republic of South Africa
90
 🇸🇸 Republic of South Sudan 🇨🇬 Republic of the Congo 🇷🇪 Réunion
22
 🇸🇭 Saint Helena 🇸🇨 Seychelles
26
 🇸🇱 Sierra Leone 🇪🇷 State of Eritrea 🇸🇩 Sudan 🇸🇿 Swaziland 🇸🇹 São Tomé and Príncipe 🇹🇿 Tanzania 🇬🇲 The Gambia 🇹🇬 Togolese Republic 🇹🇳 Tunisian Republic 🇺🇬 Uganda 🇪🇭 Western Sahara 🇿🇲 Zambia
53
 🇿🇼 Zimbabwe

Antarctica

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

Asia

🇧🇩 Bangladesh
97
 🇧🇹 Bhutan
76
 🇮🇴 British Indian Ocean Territory 🇧🇳 Brunei Darussalam
5
 🇰🇭 Cambodia
15
 🇨🇳 China
132
 🇨🇽 Christmas Island 🇨🇨 Cocos [Keeling] Islands 🇳🇵 Federal Democratic Republic of Nepal
72
 🇬🇪 Georgian Soviet Socialist Republic
27
 🇯🇴 Hashemite Kingdom of Jordan
18
 🇭🇰 Hong Kong
43
 🇮🇳 India
437
 🇮🇷 Iran 🇦🇫 Islamic Republic of Afghanistan 🇵🇰 Islamic Republic of Pakistan
119
 🇯🇵 Japan
77
 🇧🇭 Kingdom of Bahrain 🇸🇦 Kingdom of Saudi Arabia 🇹🇭 Kingdom of Thailand
69
 🇰🇬 Kyrgyzstan 🇱🇦 Laos
34
 🇲🇴 Macao
38
 🇲🇾 Malaysia
57
 🇲🇳 Mongolia
61
 🇲🇲 Myanmar [Burma]
66
 🇰🇵 North Korea 🇵🇸 Palestine
47
 🇵🇭 Philippines
63
 🇦🇲 Republic of Armenia
11
 🇦🇿 Republic of Azerbaijan
13
 🇮🇩 Republic of Indonesia
128
 🇮🇶 Republic of Iraq 🇰🇿 Republic of Kazakhstan
70
 🇰🇷 Republic of Korea
99
 🇱🇧 Republic of Lebanon 🇲🇻 Republic of Maldives
54
 🇹🇯 Republic of Tajikistan 🇺🇿 Republic of Uzbekistan
55
 🇸🇬 Singapore
37
 🇻🇳 Socialist Republic of Vietnam
34
 🇱🇰 Sri Lanka
50
 🇮🇱 State of Israel
53
 🇰🇼 State of Kuwait
80
 🇶🇦 State of Qatar
70
 🇴🇲 Sultanate of Oman
53
 🇸🇾 Syrian Arab Republic 🇹🇼 Taiwan
50
 🇹🇷 Turkey
72
 🇹🇲 Turkmenistan 🇦🇪 United Arab Emirates
145
 🇾🇪 Yemen

Europe

🇧🇦 Bosnia and Herzegovina
25
 🇨🇾 Cyprus
42
 🇨🇿 Czech Republic
44
 🇫🇴 Faroe Islands 🇫🇮 Finland
29
 🇫🇷 France
39
 🇩🇪 Germany
58
 🇬🇮 Gibraltar
33
 🇱🇺 Grand Duchy of Luxembourg
22
 🇬🇷 Greece
29
 🇬🇬 Guernsey 🇻🇦 Holy See (Vatican City State) 🇭🇺 Hungary
37
 🇮🇲 Isle of Man 🇮🇹 Italy
37
 🇯🇪 Jersey 🇧🇪 Kingdom of Belgium
26
 🇩🇰 Kingdom of Denmark
22
 🇳🇴 Kingdom of Norway
16
 🇸🇪 Kingdom of Sweden
22
 🇱🇻 Latvia
4
 🇲🇰 Macedonia
13
 🇲🇹 Malta
24
 🇲🇨 Monaco
13
 🇲🇪 Montenegro
11
 🇳🇱 Netherlands
53
 🇵🇱 Poland
56
 🇵🇹 Portuguese Republic
23
 🇦🇩 Principality of Andorra
29
 🇱🇮 Principality of Liechtenstein
15
 🇦🇱 Republic of Albania
2
 🇦🇹 Republic of Austria
22
 🇧🇾 Republic of Belarus
31
 🇧🇬 Republic of Bulgaria
24
 🇭🇷 Republic of Croatia
26
 🇪🇪 Republic of Estonia
23
 🇮🇸 Republic of Iceland
8
 🇮🇪 Republic of Ireland
21
 🇽🇰 Republic of Kosovo 🇱🇹 Republic of Lithuania
18
 🇲🇩 Republic of Moldova
16
 🇸🇮 Republic of Slovenia
14
 🇷🇴 Romania
39
 🇷🇺 Russia
57
 🇸🇲 San Marino
37
 🇷🇸 Serbia
41
 🇸🇰 Slovak Republic
28
 🇪🇸 Spain
45
 🇸🇯 Svalbard and Jan Mayen 🇨🇭 Switzerland
30
 🇺🇦 Ukraine
18
 🇬🇧 United Kingdom
38
 🇦🇽 Åland Islands

North America

🇦🇮 Anguilla 🇦🇬 Antigua and Barbuda 🇦🇼 Aruba
38
 🇧🇧 Barbados 🇧🇿 Belize 🇧🇲 Bermuda 🇧🇶 Bonaire, Saint Eustatius, and Saba
30
 🇻🇬 British Virgin Islands 🇨🇦 Canada
78
 🇰🇾 Cayman Islands 🇨🇼 Curaçao 🇩🇲 Dominica 🇩🇴 Dominican Republic
6
 🇬🇱 Greenland 🇬🇩 Grenada 🇬🇵 Guadeloupe
31
 🇯🇲 Jamaica 🇲🇶 Martinique
49
 🇲🇽 Mexico
90
 🇲🇸 Montserrat 🇵🇷 Puerto Rico 🇨🇷 Republic of Costa Rica
27
 🇨🇺 Republic of Cuba 🇸🇻 Republic of El Salvador
120
 🇬🇹 Republic of Guatemala
100
 🇭🇹 Republic of Haiti 🇭🇳 Republic of Honduras
106
 🇳🇮 Republic of Nicaragua
23
 🇵🇦 Republic of Panama 🇧🇱 Saint Barthélemy 🇰🇳 Saint Kitts and Nevis 🇱🇨 Saint Lucia 🇲🇫 Saint Martin 🇵🇲 Saint Pierre and Miquelon
5
 🇻🇨 Saint Vincent and the Grenadines 🇸🇽 Sint Maarten 🇧🇸 The Bahamas 🇹🇹 Trinidad and Tobago
54
 🇹🇨 Turks and Caicos Islands 🇻🇮 U.S. Virgin Islands 🇺🇸 United States
115

Oceania

🇦🇸 American Samoa 🇦🇺 Australia
58
 🇨🇰 Cook Islands 🇹🇱 East Timor 🇫🇯 Fiji 🇵🇫 French Polynesia 🇬🇺 Guam 🇼🇸 Independent State of Samoa 🇰🇮 Kiribati 🇲🇭 Marshall Islands 🇫🇲 Micronesia 🇳🇨 New Caledonia
23
 🇳🇿 New Zealand
19
 🇳🇺 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
26
 🇧🇴 Bolivia, Plurinational State Of 🇧🇷 Brazil
65
 🇫🇰 Colony of the Falkland Islands 🇬🇫 French Guiana
42
 🇬🇾 Guyana 🇺🇾 Oriental Republic of Uruguay 🇨🇱 Republic of Chile
138
 🇨🇴 Republic of Colombia
49
 🇪🇨 Republic of Ecuador
45
 🇵🇾 Republic of Paraguay 🇵🇪 Republic of Peru
76
 🇸🇷 Republic of Suriname 🇻🇪 Venezuela

About the Air Quality and Pollution Measurement:

About the Air Quality Levels

AQI Air Pollution Level Health Implications Cautionary Statement (for PM2.5)
0 - 50 Good Air quality is considered satisfactory, and air pollution poses little or no risk None
51 -100 Moderate 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. Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.
101-150 Unhealthy for Sensitive Groups Members 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.
151-200 Unhealthy Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects Active 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
201-300 Very Unhealthy Health 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+ Hazardous Health alert: everyone may experience more serious health effects Everyone 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.



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