Fig. 3: Daily and cumulative PM2.5 exposures from different sources in 2023.
From: Long-range PM2.5 pollution and health impacts from the 2023 Canadian wildfires
a–c, Daily PM2.5 exposure in Canada (a), the USA (b) and Europe (c) from fire sources in different source regions, anthropogenic sources and other sources (for example, biogenic, dust and sea salt). d–f, Cumulative fire-related PM2.5 exposures in Canada (d), the USA (e) and Europe (f) from different source regions. The definitions of wildfire source regions in Canada and the USA are presented in Extended Data Fig. 3b. ‘Other fires’ means fires from other global regions apart from Canada and the USA.
