Annual Air Pollution across the GTHA

The following animation outlines the change in nitrogen dioxide (NO₂) in the Greater Toronto and Hamilton Area.

Annual NO₂ concentration from 2005 to 2016.

The following article was written in honor of Clean Air Day, which falls on June 7th, 2023. It has been published on the official website of the Dalla Lana School of Public Health.

https://www.dlsph.utoronto.ca/2023/06/02/dlsph-researchers-map-gtha-traffic-air-pollution-and-its-changes-over-the-last-15-years/