Key facts
- The Niño 3.4 region is currently at +0.5°C.
- Current Niño 3.4 levels are behind those observed in 1997.
The El Niño-Southern Oscillation (ENSO) is a climate pattern that influences global weather. The Niño 3.4 region in the equatorial Pacific Ocean is a key indicator for El Niño and La Niña events. Deviations from average temperatures in this region can have significant impacts on weather patterns worldwide, affecting agriculture, energy demand, and commodity prices.