Air pollutant emissions

Description

The Canadian Environmental Sustainability Indicators (CESI) program provides data and information to track Canada's performance on key environmental sustainability issues. The Air pollutant emissions indicators track emissions from human activities of 6 key air pollutants: sulphur oxides (SOX), nitrogen oxides (NOX), volatile organic compounds (VOCs), ammonia (NH3), carbon monoxide (CO) and fine particulate matter (PM2.5). Black carbon, which is a component of PM2.5, produced by combustion, is also reported. Sectoral indicators on air pollutant emissions from the oil and gas industry, transportation, off-road vehicles and mobile equipment and electric utilities provide additional analysis on the largest sources of Canada's air pollutant emissions. For each air pollutant, the indicators are provided at the national and provincial/territorial levels. They also identify the major sources of emissions and provide links to detailed information on air pollutant emissions from facilities. The Air pollutant emissions indicators are intended to inform Canadians and decision makers about progress made towards reducing emissions from human-related sources of air pollutants and about the effectiveness of emission reduction measures in reducing emissions to improve ambient air quality in Canada. 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. Canadian Environmental Sustainability Indicators: https://www.canada.ca/environmental-indicators

Resources

Name Format Description Link
Total volatile organic compound emissions by source, Canada, 1990 to 2023 - French (CSV; 3.63 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/10-COV-source-fr.csv
Total volatile organic compound emissions by source, Canada, 1990 to 2023 - English (CSV; 3.29 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/10-VOCs-source-en.csv
Volatile organic compound emissions by province and territory, Canada, 1990, 2005 and 2023 - French (CSV; 1.50 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/11-COV-prov-terr-fr.csv
Volatile organic compound emissions by province and territory, Canada, 1990, 2005 and 2023 - English (CSV; 1.22 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/11-VOCs-prov-terr-en.csv
Total ammonia emissions by source, Canada, 1990 to 2023 - English (CSV; 2.53 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/13-NH3-source-en.csv
Total ammonia emissions by source, Canada, 1990 to 2023 - French (CSV; 2.84 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/13-NH3-source-fr.csv
Ammonia emissions by province and territory, Canada, 1990, 2005 and 2023 - English (CSV; 1.16 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/14-NH3-prov-terr-en.csv
Ammonia emissions by province and territory, Canada, 1990, 2005 and 2023 - French (CSV; 1.33 KB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/14-NH3-prov-terr-fr.csv
Total carbon monoxide emissions by source, Canada, 1990 to 2023 - English (CSV; 3.20 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/16-CO-source-en.csv
Total carbon monoxide emissions by source, Canada, 1990 to 2023 - French (CSV; 3.53 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/16-CO-source-fr.csv
Carbon monoxide emissions by province and territory, Canada, 1990, 2005 and 2023 - English (CSV; 1.24 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/17-CO-prov-terr-en.csv
Carbon monoxide emissions by province and territory, Canada, 1990, 2005 and 2023 - French (CSV; 1.51 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/17-CO-prov-terr-fr.csv
Total fine particulate matter emissions by source, Canada, 1990 to 2023 - English (CSV; 4.10 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/19-PM2.5-source-en.csv
Total fine particulate matter emissions by source, Canada, 1990 to 2023 - French (CSV; 4.34 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/19-PM2.5-source-fr.csv
Air pollutant emissions, Canada, 1990 to 2023 - French (CSV; 2.46 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/1-change-pourcentage-fr.csv
Air pollutant emissions, Canada, 1990 to 2023 - English (CSV; 2.16 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/1-percent-change-en.csv
Fine particulate matter emissions by province and territory, Canada, 1990, 2005 and 2023 - English (CSV; 1.73 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/20-PM2.5-prov-terr-en.csv
Fine particulate matter emissions by province and territory, Canada, 1990, 2005 and 2023 - French (CSV; 1.98 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/20-PM2.5-prov-terr-fr.csv
Total black carbon emissions by source, Canada, 2013 to 2023 - English (CSV; 1.81 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/22-BC-source-en.csv
Total black carbon emissions by source, Canada, 2013 to 2023 - French (CSV; 2.17 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/22-CN-source-fr.csv
Black carbon emissions by province and territory, Canada, 2013 and 2023 - English (CSV; 915 B) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/23-BC-prov-terr-en.csv
Black carbon emissions by province and territory, Canada, 2013 and 2023 - French (CSV; 1.13 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/23-CN-prov-terr-fr.csv
Contribution of the oil and gas industry to total air pollutant emissions by activity type, Canada, 2023 - English (CSV; 1.40 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/24-oil-gas-type-en.csv
Contribution of the oil and gas industry to total air pollutant emissions by activity type, Canada, 2023 - French (CSV; 1.64 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/24-petroliere-gaziere-type-fr.csv
Changes in emissions of key air pollutants from the oil and gas industry, Canada, 1990 to 2023 - English (CSV; 2.08 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/25-oil-gas-en.csv
Changes in emissions of key air pollutants from the oil and gas industry, Canada, 1990 to 2023 - French (CSV; 2.36 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/25-petroliere-gaziere-fr.csv
Contribution of transportation, off-road vehicles and mobile equipment to total air pollutant emissions by transportation mode, Canada, 2023 - French (CSV; 2.36 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/26-mode-transportation-fr.csv
Contribution of transportation, off-road vehicles and mobile equipment to total air pollutant emissions by transportation mode, Canada, 2023 - English (CSV; 2.13 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/26-transportation-mode-en.csv
Changes in emissions of key air pollutants from transportation, off-road vehicles and mobile equipment, Canada, 1990 to 2023 - English (CSV; 2.09 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/27-transportation-en.csv
Changes in emissions of key air pollutants from transportation, off-road vehicles and mobile equipment, Canada, 1990 to 2023 - French (CSV; 2.35 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/27-transportation-fr.csv
Contribution of electric utilities to total air pollutant emissions by fuel source, Canada, 2023 - English (CSV; 1.55 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/28-electric-utilities-source-en.csv
Contribution of electric utilities to total air pollutant emissions by fuel source, Canada, 2023 - French (CSV; 1.78 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/28-services-electricite-source-fr.csv
Changes in emissions of key air pollutants from electric utilities, Canada, 1990 to 2023 - English (CSV; 1.59 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/29-electric-utilities-en.csv
Changes in emissions of key air pollutants from electric utilities, Canada, 1990 to 2023 - French (CSV; 1.85 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/29-services-electricite-fr.csv
Distribution of air pollutant emissions by source, Canada, 2023 - English (CSV; 2.14 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/2-emissions-source-en.csv
Distribution of air pollutant emissions by source, Canada, 2023 - French (CSV; 1.98 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/2-emissions-source-fr.csv
Distribution of air pollutant emissions by province and territory, Canada, 2023 - English (CSV; 1.97 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/3-emissions-prov-terr-en.csv
Distribution of air pollutant emissions by province and territory, Canada, 2023 - French (CSV; 1.79 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/3-emissions-prov-terr-fr.csv
Total sulphur oxide emissions by source, Canada, 1990 to 2023 - English (CSV; 2.67 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/4-SOx-source-en.csv
Total sulphur oxide emissions by source, Canada, 1990 to 2023 - French (CSV; 2.97 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/4-SOx-source-fr.csv
Sulphur oxide emissions by province and territory, Canada, 1990, 2005 and 2023 - English (CSV; 1.21 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/5-SOx-prov-terr-en.csv
Sulphur oxide emissions by province and territory, Canada, 1990, 2005 and 2023 - French (CSV; 1.49 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/5-SOx-prov-terr-fr.csv
Total nitrogen oxide emissions by source, Canada, 1990 to 2023 - English (CSV; 2.87 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/7-NOx-source-en.csv
Total nitrogen oxide emissions by source, Canada, 1990 to 2023 - French (CSV; 3.17 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/7-NOx-source-fr.csv
Nitrogen oxide emissions by province and territory, Canada, 1990, 2005 and 2023 - English (CSV; 1.25 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/8-NOx-prov-terr-en.csv
Nitrogen oxide emissions by province and territory, Canada, 1990, 2005 and 2023 - French (CSV; 1.49 kB) CSV https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-pollutant-emissions/2025/8-NOx-prov-terr-fr.csv
Air pollutant emissions – English HTML https://www.canada.ca/en/environment-climate-change/services/environmental-indicators/air-pollutant-emissions.html
Data sources and methods – English HTML https://www.canada.ca/en/environment-climate-change/services/environmental-indicators/air-pollutant-emissions.html#DSM
Air pollutant emissions – French HTML https://www.canada.ca/fr/environnement-changement-climatique/services/indicateurs-environnementaux/emissions-polluants-atmospheriques.html
Data sources and methods – French HTML https://www.canada.ca/fr/environnement-changement-climatique/services/indicateurs-environnementaux/emissions-polluants-atmospheriques.html#DSM

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