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  • Federal

    National Air Pollution Surveillance (NAPS) Program

    The National Air Pollution Surveillance (NAPS) program is the main source of ambient air quality data in Canada. The NAPS program, which began in 1969, is now comprised of nearly 260 stations in 150 rural and urban communities reporting to the Canada-Wide Air Quality Database (CWAQD). Managed by...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • HTML
  • Federal

    International comparison of urban air quality – Annual average concentrations...

    The Canadian Environmental Sustainability Indicators (CESI) program provides data and information to track Canada's performance on key environmental sustainability issues. The International comparison of urban air quality indicators compare ambient levels (concentrations) of air pollutants in...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • CSV
    • HTML
  • Federal

    International comparison of urban air quality – Annual average concentrations...

    The Canadian Environmental Sustainability Indicators (CESI) program provides data and information to track Canada's performance on key environmental sustainability issues. The International comparison of urban air quality indicators compare ambient levels (concentrations) of air pollutants in...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • CSV
    • HTML
  • Federal

    Indices based on daily temperature and precipitation

    The data consists of temperature indices based on homogenized daily maximum and minimum temperatures at 338 locations across Canada, and of precipitation indices based on adjusted daily rainfall, daily snowfall and daily precipitation amounts at 463 locations across the country. These indices...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • TXT
  • Federal

    International comparison of urban air quality – Annual average concentrations...

    The Canadian Environmental Sustainability Indicators (CESI) program provides data and information to track Canada's performance on key environmental sustainability issues. The International comparison of urban air quality indicators compare ambient levels (concentrations) of air pollutants in...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • CSV
    • HTML
  • Federal

    International comparison of urban air quality – Annual average concentrations...

    The Canadian Environmental Sustainability Indicators (CESI) program provides data and information to track Canada's performance on key environmental sustainability issues. The International comparison of urban air quality indicators compare ambient levels (concentrations) of air pollutants in...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • CSV
    • HTML
  • Federal

    Precipitation Change in Canada – Seasonal average precipitation departures fr...

    The Canadian Environmental Sustainability Indicators (CESI) program provides data and information to track Canada's performance on key environmental sustainability issues. The Precipitation change in Canada indicator measures the annual and seasonal precipitation departures (or anomalies) for the...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • CSV
    • HTML
  • Federal

    Precipitation Change in Canada – Annual average precipitation departures from...

    The Canadian Environmental Sustainability Indicators (CESI) program provides data and information to track Canada's performance on key environmental sustainability issues. The Precipitation change in Canada indicator measures the annual and seasonal precipitation departures (or anomalies) for the...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • CSV
    • HTML
  • Federal

    Emissions of harmful substances to air – Mercury emissions to air by province...

    The Canadian Environmental Sustainability Indicators (CESI) program provides data and information to track Canada's performance on key environmental sustainability issues. The Emissions of harmful substances to air indicators track human-related emissions to air of 3 substances that are defined...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • CSV
    • other
  • Federal

    Releases of harmful substances to water – Lead releases to water by province ...

    The Canadian Environmental Sustainability Indicators (CESI) program provides data and information to track Canada's performance on key environmental sustainability issues. The Releases of harmful substances to water indicators track facility-based releases to water of 3 substances that are...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • CSV
    • HTML
You can also access this registry using the API (see API Docs).