The blaze, a result of weak rains since late last year which have disrupted the usual seasonal flooding and left more of the region vulnerable to fires, started earlier in June and have surged nearly tenfold so far this year to the highest levels since 2020, when the biome suffered its worst blazes on record.

Satellite data from Brazil’s National Institute for Space Research (INPE) showed a 980% increase in the number of fires in the Pantanal through June 5, compared with the same period of last year. The figures have raised alarms as the region heads into the riskiest season for wildfires, which usually starts in July and peaks in August and September.