The Canadian Environmental Sustainability Indicators (CESI) program provides data on ambient concentrations of air pollutants, including nitrogen dioxide, at national, regional, urban, and local monitoring station levels. Information is presented in formats including static and interactive maps, charts, and CSV data tables. The dataset is published by Environment and Climate Change Canada and was last updated on 2026-04-28.
Use Cases
- Modeling spatial patterns of peak nitrogen dioxide pollution based on monitoring station data.
- Analyzing trends in air quality indicators like fine particulate matter and ground-level ozone at different geographic levels.
- Assessing population exposure to air pollutants for public health research.
- Creating visualizations such as maps and charts to communicate air quality information to the public.
Strengths
- Data is provided by the authoritative national program, the Canadian Environmental Sustainability Indicators (CESI).
- Information is available at multiple geographic scales: national, regional, urban, and local monitoring stations.
- Data is presented in multiple accessible formats, including CSV, interactive maps, and charts.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Freshness should be verified despite the last update date of 2026-04-28.
Provenance
- Source
- Environment and Climate Change Canada
- Collection Method
- Data collected from monitoring stations; indicator calculations are detailed in supplementary documentation.
- Time Range
- null
- Freshness
- Last updated 2026-04-28 14:31:12.525954
- Geography
- Canada, with national, regional, urban, and local station coverage