Figure 1. Daily mean CO₂ emissions from peat and vegetation fires burning across maritime southeast Asia in Sept-Oct 2015, presented in 0.5° × 0.5° grid cells.

Cells containing peat soils according to landcover data used in GFAS²³ are outlined in white (see Supplementary Information B). Locations of our in situ trace gas measurements lie close to the Central Kalimantan Capital of Palankaraya, Kalimantan (113.92°E, 2.21°S), indicated with the blue cross (See also Fig. 3). The thick blue line indicates the border of the study domain (east part only shown, full range 70°E–150°E; 11°S–6°N). Map was generated using IDL v8.4 software, http://www.exelisvis.com.