146% was the increase in fire activity from July to August 2026, followed by another 66% rise in September; 395 municipalities are under high alert and 533 under alert for fire risk.
Cemaden/MCTI (2026)
Centro Nacional de Monitoramento e Alertas de Desastres Naturais. (2026, 1 de octubre). Boletim do Painel El Niño nº 04 aponta El Niño muito forte e impactos distintos entre as regiões. Cemaden/MCTI. https://www.gov.br/cemaden/pt-br/assuntos/monitoramento/el-nino/boletim-do-painel-el-nino-ndeg-04-setembro-de-2026-potenciais-impactos-e-orientacoes