Fig. 8: Wildfire smoke and evacuation impacts for 2023.
From: Drivers and Impacts of the Record-Breaking 2023 Wildfire Season in Canada
a The number of days in 2023 with daily mean PM2.5 > 27 μgm−3; b the maximum daily value of PM2.5 that occurred during 2023; c the number of air quality bulletins each month issued by Environment and Climate Change Canada between 2017 and 2023 (Health and Air Quality Forecast Services Program, MSC-ECCC, December 2023); d The number of annual evacuation orders and evacuees from 1980–2023 using data from the Canadian wildfire evacuation database.
