| Name |
Format |
Description |
Link |
| National average nitrogen dioxide concentrations, Canada, 2009 to 2023 – English (CSV; 1.59 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/EN/10-no2-average-national-2026-en.csv |
| Regional average nitrogen dioxide concentrations, Canada, 2009 to 2023 – English (CSV; 3.43 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/EN/11-no2-average-regional-2026-en.csv |
| National average peak nitrogen dioxide concentrations, Canada, 2009 to 2023 – English (CSV; 1.49 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/EN/12-no2-peak-national-2026-en.csv |
| Regional average peak nitrogen dioxide concentrations, Canada, 2009 to 2023 – English (CSV; 3.55 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/EN/13-no2-peak-regional-2026-en.csv |
| National average sulphur dioxide concentrations, Canada, 2009 to 2023 – English (CSV; 1.39 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/EN/14-so2-average-national-2026-en.csv |
| Regional average sulphur dioxide concentrations, Canada, 2009 to 2023 – English (CSV; 3.19 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/EN/15-so2-average-regional-2026-en.csv |
| National average peak sulphur dioxide concentrations, Canada, 2009 to 2023 – English (CSV; 1.46 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/EN/16-so2-peak-national-2026-en.csv |
| Regional average peak sulphur dioxide concentrations, Canada, 2009 to 2023 – English (CSV; 3.52 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/EN/17-so2-peak-regional-2026-en.csv |
| National average volatile organic compound concentrations, Canada, 2009 to 2023 – English (CSV; 1.94 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/EN/18-voc-national-2026-en.csv |
| Regional average volatile organic compound concentrations, Canada, 2009 to 2023 – English (CSV; 4.04 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/EN/19-voc-regional-2026-en.csv |
| Relative air pollutant concentration changes, Canada, 2009 to 2023 – English (CSV; 2.26 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/EN/1-national-indexed-2026-en.csv |
| National average fine particulate matter concentrations, Canada, 2009 to 2023 – English (CSV; 1.44 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/EN/2-pm25-average-national-2026-en.csv |
| Regional annual average fine particulate matter concentrations, Canada, 2009 to 2023 – English (CSV; 3.76 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/EN/3-pm25-average-regional-2026-en.csv |
| National average peak fine particulate matter concentrations, Canada, 2009 to 2023 – English (CSV; 1.49 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/EN/4-pm25-peak-national-2026-en.csv |
| Regional average peak fine particulate matter concentrations, Canada, 2009 to 2023 – English (CSV; 4.17 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/EN/5-pm25-peak-regional-2026-en.csv |
| National average ozone concentrations, Canada, 2009 to 2023 – English (CSV; 1.51 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/EN/6-ozone-average-national-2026-en.csv |
| Regional average ozone concentrations, Canada, 2009 to 2023 – English (CSV; 3.56 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/EN/7-ozone-average-regional-2026-en.csv |
| National average peak ozone concentrations, Canada, 2009 to 2023 – English (CSV; 1.62 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/EN/8-ozone-peak-national-2026-en.csv |
| Regional average peak ozone concentrations, Canada, 2009 to 2023 – English (CSV; 4.14 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/EN/9-ozone-peak-regional-2026-en.csv |
| List of selected stations - English (CSV; 22.5 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/EN/List%20of%20stations%20for%20national%20and%20regional%20indicators-CESI.xlsx |
| National average nitrogen dioxide concentrations, Canada, 2009 to 2023 – French (CSV; 1.60 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/fr/10-no2-moyenne-national-2026-fr.csv |
| Regional average nitrogen dioxide concentrations, Canada, 2009 to 2023 – French (CSV; 3.56 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/fr/11-no2-moyenne-regional-2026-fr.csv |
| National average peak nitrogen dioxide concentrations, Canada, 2009 to 2023 – French (CSV; 1.68 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/fr/12-no2-pointe-national-2026-fr.csv |
| Regional average peak nitrogen dioxide concentrations, Canada, 2009 to 2023 – French (CSV; 3.91 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/fr/13-no2-pointe-regional-2026-fr.csv |
| National average sulphur dioxide concentrations, Canada, 2009 to 2023 – French (CSV; 1.54 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/fr/14-so2-moyenne-national-2026-fr.csv |
| Regional average sulphur dioxide concentrations, Canada, 2009 to 2023 – French (CSV; 3.43 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/fr/15-so2-moyenne-regional-2026-fr.csv |
| National average peak sulphur dioxide concentrations, Canada, 2009 to 2023 – French (CSV; 1.65 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/fr/16-so2-pointe-national-2026-fr.csv |
| Regional average peak sulphur dioxide concentrations, Canada, 2009 to 2023 – French (CSV; 3.74 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/fr/17-so2-pointe-regional-2026-fr.csv |
| National average volatile organic compound concentrations, Canada, 2009 to 2023 – French (CSV; 2.25 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/fr/18-cov-national-2026-fr.csv |
| Regional average volatile organic compound concentrations, Canada, 2009 to 2023 – French (CSV; 4.68 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/fr/19-cov-regional-2026-fr.csv |
| Relative air pollutant concentration changes, Canada, 2009 to 2023 – French (CSV; 2.56 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/fr/1-national-indexe-2026-fr.csv |
| National average fine particulate matter concentrations, Canada, 2009 to 2023 – French (CSV; 1.61 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/fr/2-pm25-moyenne-national-2026-fr.csv |
| Regional average fine particulate matter concentrations, Canada, 2009 to 2023 – French (CSV; 3.98 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/fr/3-pm25-moyenne-regional-2026-fr.csv |
| National average peak fine particulate matter concentrations, Canada, 2009 to 2023 – French (CSV; 1.69 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/fr/4-pm25-pointe-national-2026-fr.csv |
| Regional average peak fine particulate matter concentrations, Canada, 2009 to 2023 – French (CSV; 4.48 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/fr/5-pm25-pointe-regional-2026-fr.csv |
| National average ozone concentrations, Canada, 2009 to 2023 – French (CSV; 1.74 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/fr/6-ozone-moyenne-national-2026-fr.csv |
| Regional average ozone concentrations, Canada, 2009 to 2023 – French (CSV; 3.88 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/fr/7-ozone-moyenne-regional-2026-fr.csv |
| National average peak ozone concentrations, Canada, 2009 to 2023 – French (CSV; 1.91 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/fr/8-ozone-pointe-national-2026-fr.csv |
| Regional average peak ozone concentrations, Canada, 2009 to 2023 – French (CSV; 4.58 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/fr/9-ozone-pointe-regional-2026-fr.csv |
| List of selected stations - French (CSV; 15.4 kB) |
CSV |
|
https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/air-quality/2026/fr/Liste%20des%20stations%20pour%20indicateurs%20nationaux%20et%20r%c3%a9gionaux.csv |
| Air quality – English |
HTML |
|
https://www.canada.ca/en/environment-climate-change/services/environmental-indicators/air-quality.html |
| Data sources and methods – English |
HTML |
|
https://www.canada.ca/en/environment-climate-change/services/environmental-indicators/air-quality.html#DSM |
| Air quality – French |
HTML |
|
https://www.canada.ca/fr/environnement-changement-climatique/services/indicateurs-environnementaux/qualite-air.html |
| Data sources and methods – French |
HTML |
|
https://www.canada.ca/fr/environnement-changement-climatique/services/indicateurs-environnementaux/qualite-air.html#DSM |