Tire particles, perfumes, metals? Extensive study of Toronto air looks at what we're breathing in

Muzammil Hussain June 21, 2025

An air quality measuring machine mounted on the CN Tower, looking out on the city skyline.

Researchers say air pollution in Toronto is a complex problem that goes way beyond car exhaust fumes. A new study could make it clear what we’re breathing in - and where it's coming from.

Researchers say air pollution in Toronto is a complex problem that goes way beyond car exhaust fumes. A new study could make it clear what we’re breathing in - and where it's coming from. An air quality measuring machine mounted on the CN Tower, looking out on the city skyline.

Researchers say air pollution in Toronto is a complex problem that goes way beyond car exhaust fumes. A new study could make it clear what we’re breathing in - and where it's coming from.

News/Canada/Toronto