Water levels in the Brazilian Amazon rose 2.6% above the historical average in 2025, according to MapBiomas, following two years of severe drought. The increase resulted from higher rainfall compared to 2024.
The recovery in the Amazon region occurred despite ongoing concerns about long-term hydrological stability. Climate change and land-use changes were identified as contributing factors to instability in the region's water regime.
The Pantanal, a wetland region south of the Amazon Basin, ended 2025 with water levels 56% below its historical average. Although conditions improved from 2024, the region remained the most stressed ecosystem in Brazil.