Air Pollution in Canada: Real-time Air Quality Index Visual Map

Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very Unhealthy
Hazardous
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53
Toronto
27
Montreal
20
Calgary
50
Ottawa
31
Edmonton
65
Mississauga
12
Winnipeg
10
Vancouver

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Air Quality Index (AQI) Values

Air Quality Forecast

Air quality historical data

Want your own air quality monitoring station?

The GAIA air quality monitoring stations are using high-tech laser particle sensors to measure in real-time PM2.5 pollution, which is one of the most harmful air pollutants.

Very easy to set up, they only require a WIFI access point and a USB power supply. Once connected, air pollution levels are reported instantaneously and in real-time on our maps

Stations on the map

There are 144 stations on the map: Saguenay - secteur de Sainte-Thérèse (Arvida), Quebec (82) - AQSU-HamiltonDT-1 (70) - Mississauga, Ontario (65) - AQSU-E03B (64) - Sherwood Park, Alberta (59) - Oakville, Ontario (55) - Toronto Downtown, Ontario (53) - Guelph, Ontario (53) - Windsor Downtown, Ontario (53) - Burlington, Ontario (53) - Newmarket, Ontario (53) - Saint-Jean-Baptiste, Montreal (52) - AQSU-F-2C7C (52) - AQSU-WindsorWest-3 (51) - St-Dominique, Montreal (50) - Ottawa Downtown, Ontario (50) - Brampton, Ontario (50) - AQSU-D34F (50) - London, Ontario (50) - AQSU-F-7F99 (50) - Toronto North, Ontario (50) - AQSU-D36F (49) - Hochelaga-Maisonneuve, Montreal (47) - AQSU-F-2B57 (47) - Brantford, Ontario (46) - Kitchener, Ontario (46) - Hamilton Mountain, Ontario (46) - AQSU-5226 (44) - Haute-Gatineau, Quebec (44) - Gatineau, Quebec (44) - Rive-Sud de Montréal, Quebec (44) - Aéroport de Montréal, Montreal (44) - Gatineau - secteur de Hull, Quebec (44) - Brossard - secteur du parc Sorbonne, Quebec (44) - Toronto East, Ontario (42) - Hamilton West, Ontario (42) - Laval, Quebec (42) - Oshawa, Ontario (42) - Terrebonne - secteur du parc Vaillant, Quebec (42) - Barrie, Ontario (42) - Trois-Rivières - secteur du sanctuaire, Quebec (38) - Mauricie, Quebec (38) - Anjou, Montreal (38) - Trois-Rivières - secteur du Vieux-Trois-Rivières, Quebec (38) - Shawinigan - secteur de Saint-Marc, Quebec (38) - Lanaudière, Quebec (38) - St. Catharines, Ontario (38) - AQSU-D341 (37) - AQSU-5E2A_Victoria International Marina (36) - Sherbrooke - secteur est, Quebec (35) - Rivière-des-prairies, Montreal (35) - Bécancour - secteur de l'hôtel de ville, Quebec (35) - Bois-Francs, Quebec (35) - Québec - secteur de Champigny, Quebec (35) - Parc Pilon, Montreal (35) - Beauce, Quebec (35) - Estrie, Quebec (35) - Hamilton Downtown, Ontario (34) - The Beach (33) - Caserne 17, Montreal (33) - St. John's, NewFoundland (32) - Québec - secteur du Vieux-Limoilou, Quebec (31) - Edmonton East, Alberta (31) - Sudbury, Ontario (30) - Victoria Topaz (30) - Toronto West, Ontario (30) - Québec, Quebec (29) - Lévis - secteur du parc Georges-Maranda, Quebec (29) - Molson, Montreal (27) - Edmonton South, Alberta (27) - Verdun, Montreal (27) - AQSU-002E (27) - Roberval, York, Montreal (27) - AQSU-AC77 (26) - AQSU-4F05 (25) - AQSU-E0F7 (25) - AQSU-E64B (25) - Niven Lake 1, NorthWestTerritories (25) - Fort Saskatchewan, Alberta (25) - Colwood City Hall (25) - Vernon Science Centre (24) - Échangeur Décarie, Montreal (24) - Chénier, Montreal (24) - Saguenay, Quebec (23) - Saguenay - secteur de l'université (Chicoutimi), Quebec (23) - AQSU-A8D6 (23) - AQSU-442E (23) - AQSU-3A97 (23) - AQSU-3082 (23) - Halifax Johnston, Nova Scotia (23) - Mount Pearl, NewFoundland (22) - AQSU-E8CD (22) - Calgary Southeast, Alberta (22) - AQSU-4341 (22) - AQSU-AF63 (22) - Regina, Saskatchewan (21) - Saskatoon, Saskatchewan (21) - AQSU-DB5A (21) - Lake Major, Nova Scotia (21) - AQSU-CD29 (21) - AQSU-664A (20) - Calgary Varsity, Alberta (20) - Yellowknife, NorthWestTerritories (20) - Ardrossan, Alberta (20) - Horseshoe Bay (19) - AQSU-C025 (19) - AQSU-F86E (19) - Airdrie, Alberta (18) - AQSU-06A8 (17) - Marina 1, NorthWestTerritories (17) - AQSU-45F1 (16) - AQSU-B093 (16) - Ontario, Montreal (15) - Clavet, Saskatchewan (13) - Calgary Central 2, Alberta (12) - Richmond South (12) - Vancouver International Airport #2 (12) - Tsawwassen (12) - Langley Central (11) - Agassiz Municipal Hall (10) - North Vancouver Second Narrows (10) - Burnaby North Eton (10) - AQSU-9FF5 (10) - Woodcroft, Alberta (10) - St. Albert, Alberta (9) - AQSU-A73A (9) - North Delta (9) - Surrey East (9) - Burnaby South (9) - Port Moody Rocky Point Park (8) - Burnaby Kensington Park (8) - AQSU-9FEB (8) - Pitt Meadow Meadowlands School (8) - Abbotsford Central (8) - Chilliwack Airport (7) - AQSU-C7ED (6) - AQSU-5D1A (6) - N'Dilo 1, NorthWestTerritories (5) - AQSU-7975 (4) - AQSU-5C8A (3) - AQSU-5C1A (3) - AQSU-CA3F (2) - AQSU-62B4 (0) - AQSU-9B97 (no data)


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Countries (145)
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🇩🇿Algeria
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🇦🇷Argentina
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🇨🇾Cyprus
🇨🇿Czechia
🇩🇰Denmark
🇪🇨Ecuador
🇪🇬Egypt
🇸🇻El Salvador
🇪🇪Estonia
🇪🇹Ethiopia
🇫🇮Finland
🇫🇷France
🇬🇦Gabon
🇬🇲Gambia
🇬🇪Georgia
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🇳🇿New Zealand
🇳🇪Niger
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🇳🇴Norway
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🇹🇯Tajikistan
🇹🇭Thailand
🇹🇬Togo
🇹🇷Turkey
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🇺🇬Uganda
🇺🇦Ukraine
🇺🇿Uzbekistan
🇻🇪Venezuela
🇻🇳Vietnam
🇿🇲Zambia


Air Quality Rankings

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.



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Temperature unit:
Celcius