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 Lake Simcoe lake monitoring program provides measurements of chemical and physical water quality limits such as total phosphorus, nitrogen, chlorophyll a, pH, alkalinity, conductivity, dissolved organic and inorganic carbon, silica, other ions, water transparency, temperature and dissolved...