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Air Quality Data

This section provides access to Environment Canada's air-quality databases, including data on air pollutants and other chemicals in the atmosphere, such as ozone and UV.   The data here is compiled from  Environment Canada's monitoring networks, including our long-term cross-country networks, as well as data from short-term intensive local studies.

Data that is part of a global database are provided in the following:

Data that is part of national databases are: