Air Quality Impact Study South Riverdale and Leslieville

  Key findings include: • Concentrations of 26 of the 30 substances in the study meet provincial air quality standards. • Concentrations of four substances exceed the provincial air quality standards in some locations, some of the time: nitrogen oxides, benzene, benxo (a) pyrene, and fine particulate matter. • Emissions from the transportation sector and some industrial sites contribute to air quality issues in the area.

You can read the full study here  http://www.toronto.ca/teo/reports-resources.htm.