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  • Federal

    Wet Deposition Maps

    Patterns of wet deposition of the nitrate/sulfate/ammonium ion across eastern Canada and the United States are based on measurements of precipitation depth and nitrate/sulfate/ammonium concentrations in precipitation samples. These measurements were collected and quality controlled by their...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • ESRI REST
    • ZIP
    • HTML
    • WMS
  • 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

    Canadian Air and Precipitation Monitoring Network (CAPMoN)

    The Canadian Air and Precipitation Monitoring Network (CAPMoN), operated by Environment and Climate Change Canada (ECCC), is designed to study the regional patterns and trends of atmospheric pollutants such as acid rain, smog, particulate matter and mercury, in both air and precipitation. The...
    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
You can also access this registry using the API (see API Docs).