Extended Data Fig. 2: Annual exposures for main subgroups and the relative contribution of fire-sourced PM2.5 and O3 to the exposure.
From: Global population exposure to landscape fire air pollution from 2000 to 2019

a, Stacked area charts and line plots showing the annual population exposure to substantial fire-sourced air pollution (SFAP) from 2000 to 2019 by continent, countries’ human development index (HDI) and income level. b, Stacked area charts showing the relative contribution of fire-sourced PM2.5 and O3 to the person days exposed to substantial fire-sourced pollution (SFAP) from 2000 to 2019 by continent.