Concentrations of sulfur dioxide have sharply declined over the last four decades.
canadian air quality
April 20, 2018
9:30AM
Previous reports from other organizations including the David Suzuki Foundation used flawed methods to measure air quality.
September 25, 2017
11:19AM
Canada’s air quality conforms to the strictest standards in the world.
August 17, 2017
4:30AM
Canada has some of the most stringent air quality standards in the world.
May 17, 2017
7:50AM
Concentrations of ground-level ozone have also decreased.
April 21, 2017
9:35AM
Over the last four decades, Canada’s carbon monoxide levels have dropped by 90 per cent.
