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Open data is defined as structured data that is machine-readable, freely shared, used and built on without restrictions.

The key things to remember about open data are:

  • #Availability and access#: the data must be available as a whole and at no more than a reasonable reproduction cost, preferably by downloading over the internet. The data must also be available in a convenient and modifiable form.
  • #Re-use and redistribution#: the data must be provided under terms that permit re-use and redistribution including the intermixing with other datasets.
  • #Universal participation#: everyone must be able to use, re-use and redistribute. There should be no discrimination against fields of endeavour or against persons or groups. For example, 'non-commercial' restrictions that would prevent 'commercial' use, or restrictions of use for certain purposes (e.g. only in education), are not allowed.
47698 records

These products are derived from RGB (red/green/blue) images, a satellite processing technique that uses a combination of satellite sensor bands …

Record Modified: Oct 15, 2025
Record Released: May 17, 2024
Publisher: Environment and Climate Change Canada
Formats: GeoTIF WMS HTML
Keywords: Atmospheric conditions Visible Infrared Clouds and weather Aviation weather Convective weather Fire weather Fog and low stratus Snow and ice Earth observation Satellite images Remote sensing ...

The Air Quality Health Index (AQHI) is a scale designed to help quantify the quality of the air in a …

Record Modified: Oct 15, 2025
Record Released: May 17, 2024
Publisher: Environment and Climate Change Canada
Formats: CSV JSON HTML
Keywords: Air Air quality Health hazards Air pollution Provide Weather Information Products and Services Deliver Weather Products and Services to Clients Meteorological Service of Canada Weather and Environmental Operations National (CA)

These products are derived from RGB (red/green/blue) images, a satellite processing technique that uses a combination of satellite sensor bands …

Record Modified: Oct 15, 2025
Record Released: May 17, 2024
Publisher: Environment and Climate Change Canada
Formats: GeoTIF WMS HTML
Keywords: Atmospheric conditions Visible Infrared Clouds and weather Aviation weather Convective weather Fire weather Fog and low stratus Snow and ice Earth observation Satellite images Remote sensing ...
Provincial / Territorial

Number of outbound visits by residents of Ontario to selected destinations. ## Related * Outbound visitor spending * Outbound visitor …

Record Modified: Oct 15, 2025
Record Released: Nov 27, 2020
Publisher: Government of Ontario
Formats: HTML XLS
Keywords: Economy and Business Culture and Recreation Travel and recreation Government information

Major Drainage Areas (MDA), as portrayed in this map, are part of the Standard Drainage Area Classification (SDAC) which was …

Record Modified: Oct 15, 2025
Record Released: Jan 17, 2025
Publisher: Natural Resources Canada
Formats: JPG HTML PDF ESRI REST
Keywords: Drainage Basins Watersheds Elevation Maps Drainage Digital elevation data
Provincial / Territorial

Total visitor spending in Ontario grouped by the main origins (Ontario, other Canada, US, and overseas). ## Related * Inbound …

Record Modified: Oct 15, 2025
Record Released: Nov 27, 2020
Publisher: Government of Ontario
Formats: HTML XLS
Keywords: Economy and Business Culture and Recreation Travel and recreation Government information
Provincial / Territorial

Total visitor spending in Ontario grouped by selected overseas countries. ## Related * Inbound visitor spending * Inbound visits by …

Record Modified: Oct 15, 2025
Record Released: Nov 27, 2020
Publisher: Government of Ontario
Formats: HTML XLS
Keywords: Economy and Business Culture and Recreation Travel and recreation Government information
Provincial / Territorial

Number of visitors to Ontario grouped by main categories (Ontario, other Canada, US, and overseas). ## Related * Inbound visitor …

Record Modified: Oct 15, 2025
Record Released: Nov 27, 2020
Publisher: Government of Ontario
Formats: HTML XLS
Keywords: Economy and Business Culture and Recreation Travel and recreation Government information
Provincial / Territorial

Number of visitors to Ontario grouped by selected overseas countries. ## Related * Inbound visitor spending * Inbound visitor spending …

Record Modified: Oct 15, 2025
Record Released: Nov 27, 2020
Publisher: Government of Ontario
Formats: HTML XLS
Keywords: Economy and Business Culture and Recreation Travel and recreation Government information

House of Commons Standing Committee on Public Accounts

Office of the Auditor General – Report 4 – International Assistance …

Record Modified: Oct 15, 2025
Record Released: Sep 10, 2025
Publisher: Global Affairs Canada
Formats: HTML
Keywords: disclosure transparency accountability parliamentary committee ministers