Air quality

Air quality The Canadian Environmental Sustainability Indicators (CESI) program provides data and information to track Canada's performance on key environmental sustainability issues. The Air quality indicators track ambient concentrations of fine particulate matter, ground-level ozone, sulphur dioxide, nitrogen dioxide, and volatile organic compounds at the national, regional and urban levels and at local monitoring stations. The national and regional indicators are presented with their corresponding Canadian Ambient Air Quality Standard when available. Canadians are exposed to air pollutants on a daily basis, and this exposure can cause adverse health and environmental effects. Information is provided to Canadians in a number of formats including: static and interactive maps, charts and graphs, HTML and CSV data tables and downloadable reports. See the supplementary documentation for the data sources and details on how the data were collected and how the indicator was calculated. Supplemental Information Canadian Environmental Sustainability Indicators - Home page: https://www.canada.ca/environmental-indicators Supporting Projects: Canadian Environmental Sustainability Indicators (CESI) 2024-09-04 Environment and Climate Change Canada indicateurs-indicators@ec.gc.ca Nature and EnvironmentEnvironmental indicatorsAir qualitySustainable developmentAtmospheric emissionsAir pollutionQuality standardsPollutantsenvironmental indicatorsair and climateair qualityambient levelsair pollutantsfine particulate mattersozonenitrogen dioxidesulfure dioxidevolatil organic componentsaverage concentrationspeak concentrationsnationalregionalurbanCanadian Ambient Air Quality StandardsMonitoring Station Data sources and methods – EnglishHTML https://www.canada.ca/en/environment-climate-change/services/environmental-indicators/air-quality.html#DSM Relative air pollutant concentration changes, Canada, 2006 to 2020 – English (CSV; 2.5 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/1-national-indexed-2024-en.csv Relative air pollutant concentration changes, Canada, 2006 to 2020 – French (CSV; 3.2 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/1-national-indexe-2024-fr.csv National average fine particulate matter concentrations, Canada, 2006 to 2020 – English (CSV; 1.5 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/2-pm25-average-national-2024-en.csv National average fine particulate matter concentrations, Canada, 2006 to 2020 – French (CSV; 1.8 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/2-pm25-moyenne-national-2024-fr.csv Regional average fine particulate matter concentrations, Canada, 2006 to 2020 – English (CSV; 3.2 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/3-pm25-average-regional-2024-en.csv Regional average fine particulate matter concentrations, Canada, 2006 to 2020– French (CSV; 4.0 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/3-pm25-moyenne-regional-2024-fr.csv Average fine particulate matter concentrations, selected Canadian urban areas, 2020 - French (CSV; 1.6 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/4-pm25-moyenne-urbain-2024-fr.csv Average fine particulate matter concentrations, selected Canadian urban areas, 2020 - English (CSV; 1.3 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/4-pm25-average-urban-2024-en.csv National average peak fine particulate matter concentrations, Canada, 2006 to 2020 - English (CSV; 1.6 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/5-pm25-peak-national-2024-en.csv National average peak fine particulate matter concentrations, Canada, 2006 to 2020 - French (CSV; 1.9 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/5-pm25-pointe-national-2024-fr.csv Regional average peak fine particulate matter concentrations, Canada, 2006 to 2020 - English (CSV; 3.8 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/6-pm25-peak-regional-2024-en.csv Regional average peak fine particulate matter concentrations, Canada, 2006 to 2020 - French (CSV; 4.7 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/6-pm25-pointe-regional-2024-fr.csv Average peak fine particulate matter concentrations, selected Canadian urban areas, 2020 - English (CSV; 1.4 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/7-pm25-peak-urban-2024-en.csv Average peak fine particulate matter concentrations, selected Canadian urban areas, 2020 - French (CSV;1.6 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/7-pm25-pointe-urbain-2024-fr.csv National average ozone concentrations, Canada, 2006 to 2020 - English (CSV; 1.4 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/8-ozone-average-national-2024-en.csv National average ozone concentrations, Canada, 2006 to 2020 - French (CSV; 1.6 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/8-ozone-moyenne-national-2024-fr.csv Regional average ozone concentrations, Canada, 2006 to 2020 - English (CSV; 3.1 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/9-ozone-average-regional-2024-en.csv Regional average ozone concentrations, Canada, 2006 to 2020 - French (CSV; 3.5 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/9-ozone-moyenne-regional-2024-fr.csv Average ozone concentrations of selected Canadian urban areas, 2020 - English (CSV; 1,6 Ko)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/10-ozone-average-urban-2024-en.csv Average ozone concentrations of selected Canadian urban areas, 2020 - French (CSV; 2.0 KB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/10-ozone-moyenne-urbain-2024-fr.csv National average peak ozone concentrations, Canada, 2006 to 2020 - English (CSV; 1.7 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/11-ozone-peak-national-2024-en.csv National average peak ozone concentrations, Canada, 2006 to 2020– French (CSV; 2.1 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/11-ozone-pointe-national-2024-fr.csv Regional average peak ozone concentrations, Canada, 2006 to 2020 – English (CSV; 3.5 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/12-ozone-peak-regional-2024-en.csv Regional average peak ozone concentrations, Canada, 2006 to 2020 – French (CSV; 4.5 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/12-ozone-pointe-regional-2024-fr.csv Average peak ozone concentrations, selected Canadian urban areas, 2020 – English (CSV; 1.6 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/13-ozone-peak-urban-2024-en.csv Average peak ozone concentrations, selected Canadian urban areas, 2020 – French (CSV; 2.0 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/13-ozone-pointe-urbain-2024-fr.csv National average nitrogen dioxide concentrations, Canada, 2006 to 2020 – English (CSV; 1.4 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/14-no2-average-national-2024-en.csv National average nitrogen dioxide concentrations, Canada, 2006 to 2020 – French (CSV; 1.6 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/14-no2-moyenne-national-2024-fr.csv Regional average nitrogen dioxide concentrations, Canada, 2006 to 2020 – English (CSV; 3.1 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/15-no2-average-regional-2024-en.csv Regional average nitrogen dioxide concentrations, Canada, 2006 to 2020 – Frensh (CSV; 3.9 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/15-no2-moyenne-regional-2024-fr.csv Average nitrogen dioxide concentrations, selected Canadian urban areas, 2020 – English (CSV; 1.3 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/16-no2-average-urban-2024-en.csv Average nitrogen dioxide concentrations, selected Canadian urban areas, 2020 - French (CSV; 1.6 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/16-no2-moyenne-urbain-2024-fr.csv National average peak nitrogen dioxide concentrations, Canada, 2006 to 2020 – English (CSV; 1.5 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/17-no2-peak-national-2024-en.csv National average peak nitrogen dioxide concentrations, Canada, 2006 to 2020 – French (CSV; 1.7 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/17-no2-pointe-national-2024-fr.csv Regional average peak nitrogen dioxide concentrations, Canada, 2006 to 2020 – English (CSV; 3.5 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/18-no2-peak-regional-2024-en.csv Regional average peak nitrogen dioxide concentrations, Canada, 2006 to 2020 – French (CSV; 4.2 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/18-no2-pointe-regional-2024-fr.csv Average peak nitrogen dioxide concentrations, selected Canadian urban areas, 2020 – English (CSV; 1.4 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/19-no2-peak-urban-2024-en.csv Average peak nitrogen dioxide concentrations, selected Canadian urban areas, 2020 - French (CSV; 1.6 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/19-no2-pointe-urbain-2024-fr.csv National average sulphur dioxide concentrations, Canada, 2006 to 2020 – English (CSV; 1.4 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/20-so2-average-national-2024-en.csv National average sulphur dioxide concentrations, Canada, 2006 to 2020 – French (CSV; 1.6 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/20-so2-moyenne-national-2024-fr.csv Regional average sulphur dioxide concentrations, Canada, 2006 to 2020 – English (CSV; 3.3 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/21-so2-average-regional-2024-en.csv Regional average sulphur dioxide concentrations, Canada, 2006 to 2020 – French (CSV; 4.2 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/21-so2-moyenne-regional-2024-fr.csv National average peak sulphur dioxide concentrations, Canada, 2006 to 2020 – English (CSV; 1.5 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/22-so2-peak-national-2024-en.csv National average peak sulphur dioxide concentrations, Canada, 2006 to 2020 – French (CSV; 1.7 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/22-so2-pointe-national-2024-fr.csv Regional average peak sulphur dioxide concentrations, Canada, 2006 to 2020 – English (CSV; 3.8 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/23-so2-peak-regional-2024-en.csv Regional average peak sulphur dioxide concentrations, Canada, 2006 to 2020 – French (CSV; 4.5 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/23-so2-pointe-regional-2024-fr.csv National average volatile organic compound concentrations, Canada, 2006 to 2019 -- English (CSV; 1.5 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/24-voc-national-2024-en.csv National average volatile organic compound concentrations, Canada, 2006 to 2019 – French (CSV; 1.8 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/24-cov-national-2024-fr.csv Regional average volatile organic compound concentrations, Canada, 2006 to 2019 – English (CSV; 3.3 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/25-voc-regional-2024-en.csv Regional average volatile organic compound concentrations, Canada, 2006 to 2019 – French (CSV; 4.1 kB)CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2023/25-cov-regional-2024-fr.csv Data sources and methods – FrenchHTML https://www.canada.ca/fr/environnement-changement-climatique/services/indicateurs-environnementaux/qualite-air.html#DSM Air quality – EnglishHTML https://www.canada.ca/en/environment-climate-change/services/environmental-indicators/air-quality.html#summary-details1 Air quality – FrenchHTML https://www.canada.ca/fr/environnement-changement-climatique/services/indicateurs-environnementaux/qualite-air.html#summary-details1

The Canadian Environmental Sustainability Indicators (CESI) program provides data and information to track Canada's performance on key environmental sustainability issues. The Air quality indicators track ambient concentrations of fine particulate matter, ground-level ozone, sulphur dioxide, nitrogen dioxide, and volatile organic compounds at the national, regional and urban levels and at local monitoring stations. The national and regional indicators are presented with their corresponding Canadian Ambient Air Quality Standard when available. Canadians are exposed to air pollutants on a daily basis, and this exposure can cause adverse health and environmental effects. Information is provided to Canadians in a number of formats including: static and interactive maps, charts and graphs, HTML and CSV data tables and downloadable reports. See the supplementary documentation for the data sources and details on how the data were collected and how the indicator was calculated.

Supplemental Information

Canadian Environmental Sustainability Indicators - Home page:

https://www.canada.ca/environmental-indicators

Supporting Projects: Canadian Environmental Sustainability Indicators (CESI)

Data and Resources

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