Government of Ontario

The Air Quality in Ontario Report summarizes the state of ambient air quality in 2015 and 10 year trends for key airborne pollutants affecting Ontario's air quality.

The air monitoring stations measure up to 6 common pollutants like: * ground-level ozone * fine particulate matter * nitrogen dioxide * carbon monoxide * sulphur dioxide * total reduced sulphur compounds The Ministry of the Environment, Conservation and Parks continually monitors air quality...