Average Ozone Concentrations at Canadian Monitoring Stations

Canadian Environmental Sustainability Indicators track ambient air pollutants like ground-level ozone at national, regional, and urban levels. The data, provided by Environment and Climate Change Canada, includes concentrations measured at local monitoring stations and is presented with Canadian Ambient Air Quality Standards. Information is available in multiple formats including CSV tables, interactive maps, and downloadable reports.

Use Cases

• Modeling population exposure to ground-level ozone based on station-level concentration data.
• Assessing regional air quality compliance against Canadian Ambient Air Quality Standards.
• Analyzing spatial trends in ozone pollution across national, regional, and urban levels.
• Visualizing pollutant concentrations using the provided geospatial formats like GeoJSON and interactive maps.

Strengths

• Data is part of a formal national indicator program (CESI) tracking multiple pollutants.
• Includes corresponding Canadian Ambient Air Quality Standards where available.
• Available in multiple analysis-ready formats including CSV, GeoJSON, and ESRI REST.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and temporal coverage are unknown, which may limit suitability assessment.

Provenance

Source

Environment and Climate Change Canada

Collection Method

Collected from monitoring stations; indicator calculation details are in supplementary documentation.

Time Range

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Freshness

Last updated 2026-04-28 14:30:59.867608; freshness should be verified.

Geography

Canada, at national, regional, urban, and local monitoring station levels.