Climate & Ocean Data Update

2026-06-05

May 2026 Climate Baseline

Monthly digest covering four core planetary climate indicators as of June 5, 2026. Arctic sea ice in May 2026 logged its lowest Oct–May average in 48 years of satellite records. Temperature (+1.43°C above pre-industrial), CO₂ (431.12 ppm), and sea level (95.8 mm above 1993 baseline) report confirmed April 2026 values — May agency releases arrive June 5–11. An 82%-probability El Niño is now loading, and WMO puts an 86% chance on a new warmest year by 2030.

Climate & Ocean Data Update

September 2026 Climate Baseline: July Heat, 429.12 ppm CO2, and Arctic Ice at 8.29 Million km²

August 2026 Climate Baseline: June Heat, 431.44 ppm CO2, and July Sea Level

June 2026 Climate Baseline

May 2026 Climate Baseline

April 2026 Climate Baseline