Canadian Air Quality with Sulphur Dioxide Concentrations at Monitoring Stations

The Canadian Environmental Sustainability Indicators program tracks ambient concentrations of sulphur dioxide and other pollutants at national, regional, urban, and local monitoring station levels. Environment and Climate Change Canada provides this data in multiple formats including CSV, interactive maps, and downloadable reports. The indicators are presented with corresponding Canadian Ambient Air Quality Standards where available.

Use Cases

• Modeling population exposure to sulphur dioxide based on station-level concentration data.
• Assessing regional compliance with Canadian Ambient Air Quality Standards for sulphur dioxide.
• Analyzing spatial trends in air pollutants across Canada using the provided geospatial formats.
• Tracking temporal changes in air quality indicators for environmental sustainability reporting.

Strengths

• Data is provided by the authoritative national program, the Canadian Environmental Sustainability Indicators.
• Multiple data access formats are available, including CSV, interactive maps, and ESRI REST services.
• Indicators are calculated with reference to established Canadian Ambient Air Quality Standards.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data may reflect geographic bias inherent to the location of monitoring stations.

Provenance

Source

Environment and Climate Change Canada

Collection Method

Collected from monitoring stations; see supplementary documentation for calculation details.

Freshness

Last updated 2026-04-27 19:30:53.001865; freshness should be verified.

Geography

Canada (national, regional, urban, and local monitoring station levels)