Description

The Canadian Environmental Sustainability Indicators (CESI) program provides data and information to track Canada's performance on key environmental sustainability issues. The Population exposure to outdoor air pollutants indicator tracks the percentage of the population living in Canadian regions where concentrations of outdoor air pollutants from all sources were less than or equal to the 2020 Canadian Ambient Air Quality Standards. Canadians are exposed to air pollutants on a daily basis, and this exposure is associated with acute and chronic adverse health effects. Exposure to some air pollutants, even at low levels, has been linked to increased heart and respiratory problems, leading to more hospitalizations, emergency room visits, and premature deaths. 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
Percentage of the Canadian population living in areas where outdoor concentrations of air pollutants were less than or equal to the 2020 Canadian Ambient Air Quality Standards, Canada, 2005 to 2023 – English (1.28 kB)	CSV		https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/population-exposure-air-pollutants/2026/1-percentage-canadian-population-below-at-caaqs-2023.csv
Percentage of the Canadian population living in areas where outdoor concentrations of air pollutants were less than or equal to the 2020 Canadian Ambient Air Quality Standards, Canada, 2005 to 2023 – French (1.49 kB)	CSV		https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/population-exposure-air-pollutants/2026/1-pourcentage-population-canadienne-inferieure-egale-ncqaa-2023.csv
Percentage of the Canadian population living in areas where outdoor concentrations of air pollutants were exceeding the 2020 Canadian Ambient Air Quality Standards by pollutant, Canada, 2005 to 2023 – English (2.15 kB)	CSV		https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/population-exposure-air-pollutants/2026/2-percentage-canadian-population-above-caaqs-pollutant-2023.csv
Percentage of the Canadian population living in areas where outdoor concentrations of air pollutants were exceeding the 2020 Canadian Ambient Air Quality Standards by pollutant, Canada, 2005 to 2023 – French (2.61 kB)	CSV		https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/population-exposure-air-pollutants/2026/2-pourcentage-population-canadienne-superieure-ncqaa-polluant-2023.csv
Population exposure to outdoor air pollutants – English	HTML		https://www.canada.ca/en/environment-climate-change/services/environmental-indicators/population-exposure-outdoor-air-pollutants.html
Data sources and methods – English	HTML		https://www.canada.ca/en/environment-climate-change/services/environmental-indicators/population-exposure-outdoor-air-pollutants.html#DSM
Population exposure to outdoor air pollutants – French	HTML		https://www.canada.ca/fr/environnement-changement-climatique/services/indicateurs-environnementaux/exposition-population-polluants-atmospheriques-exterieurs.html
Data sources and methods – French	HTML		https://www.canada.ca/fr/environnement-changement-climatique/services/indicateurs-environnementaux/exposition-population-polluants-atmospheriques-exterieurs.html#DSM

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