El Niño strength indicator reaches record territory

Daily sea surface temperature anomaly (°C) in the east-central equatorial Pacific (Niño 3.4 region), relative to the 1991–2020 average.

(Please use a modern browser to see the interactive version of this visualization)

Through September 21, 2026. Latest 15 days preliminary. Visualization inspired by a Washington Post graphic.

Source: NOAA OISST v2.1 / Climate Reanalyzer, University of MaineGet the data