NavGeneral InfoEmail Print Geography Canada (CAN) Coverage type Country Time period covered 01/1990 - 12/2012 Data type Environmental monitoring Summary Similar data can be accessed through the Canada National Air Pollution Surveillance Program: http://www.ec.gc.ca/rnspa-naps/. Keywords Particulate matter, Urban ambient air pollution Citation Contributors Environment Canada Suggested citation Environment Canada. Canada Air Quality Annual PM2.5 and PM10 Data 1990, 1995, 2000, 2005, 2010, 2012. GHDx Entry last modified on: Oct 21, 2020