Air indicators
Air indicators allow for the continued tracking of progress on the release of pollutants, the effects those pollutants have on air quality, and how that affects health outcomes of Canadians.
Air quality
- Air quality (updated January 2026)
- International comparison of urban air quality (updated December 2016)
Emissions to air
- Air pollutant emissions (updated June 2026)
- Emissions of harmful substances to air (updated August 2025)
Air pollution and health
- Air health trends (updated December 2022)
- Population exposure to outdoor air pollutants (updated February 2026)
Interactive maps
Air pollutant emissions
- Sulphur oxides
- Nitrogen oxides
- Volatile organic compounds
- Ammonia
- Carbon monoxide
- Total particulate matter
- Respirable particulate matter
- Fine particulate matter
Emissions of harmful substances to air
Air quality