Department of Aeronautic and Atmospheric Science

The Department of Aeronautic and Atmospheric Science (DAAS; French: Département des sciences aéronautes et atmosphériques, DSAA) is an executive department of the Cabinet of Canada, chaired by the Minister of Aeronautic and Atmospheric Science. It has its headquarters and major laboratories in Alta Vista, Ottawa, and operates several civilian scientific sites and research institutions across Canada.

The DAAS is responsible for monitoring the atmospheric conditions of the country, and acts as the main weather and natural science advisor to the federal government, including space science. It is also the parent agency of CANCOSMOS, the Canadian state space agency.

The incumbent Minister of Aeronautic and Atmospheric Science is Dr. Manuel Arteaga, in office since September 2017.