Niño 3.4 reached +1.8 °C in August

10/09/2026

+1.8 °C was reached by the Niño 3.4 index in August 2026, while Niño 3 reached +2.5 °C and Niño 1+2 reached +3.4 °C. Subsurface temperature anomalies also exceeded +10 °C at depth.

Henríquez (2026)

Henríquez, P. (2026, 10 de septiembre). El Niño apunta a un récord: NOAA da 75% de chances de un evento histórico este 2026. Meteored Chile. https://www.meteored.cl/noticias/actualidad/el-nino-apunta-a-un-record-noaa-da-75-de-chances-de-un-evento-historico-este.html

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Niño 3.4 reached +1.8 °C in August

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