Global temperature · 1880—2025

Earth, getting warmer.

Every band is one year. Cooler-than-baseline years begin in blue; warmer years gather into amber, red, and burgundy.

Cooler1951–1980 baselineWarmer

Annual global surface temperature anomaly. Source: NASA GISS / GISTEMP v4.

Hover or tap a year

18802025

A century and a half, compressed.

+1.19°CThe final stripe shows 2025 relative to NASA’s 1951–1980 average. A single year can rise or fall with natural variability, but the long transition from blue to red reveals the larger direction unmistakably.