Fig. 2: Distribution of worldwide pyroCb activity by year and region for the period of 2013-2021.

Both plots include 546 pyroCb events. The mean yearly pyroCb total (61) is displayed as a dashed line. “CONUS” refers to the conterminous USA states. “Northern Asia” comprises Russia (Siberia) and Mongolia. These data are part of a worldwide pyroCb inventory developed and maintained by a community52.