1. Air Quality Research Division, Environment and Climate Change Canada, 4905 Dufferin Street, Toronto, ON M3H 5T4, Canada
2. Department of Civil and Environmental Engineering, University of Windsor, Windsor, ON N9B 3P4, Canada
3. Meteorological Service of Canada, Environment and Climate Change Canada, Dorval, QC H9P 1J3, Canada
4. Ontario Ministry of the Environmental, Conservation and Parks, Toronto, ON M9P 3V6, Canada