observed.earth
The observed state of the climate system, updated automatically. No forecasts, no projections — only what has happened.
-6.02°C
Temperature north of 66N, where warming runs fastest on Earth.
6.72million km²
How much of the Arctic Ocean is covered by ice today, against every year since 1979.
1.11°C
Where the Arctic ran warm or cold over the last 30 days.
5.13°C
Warm Atlantic water pushing north — the other half of atlantification.
21.05°C
Daily sea surface temperature across the ice-free ocean, year by year.
426.07ppm
The Keeling curve — the longest direct record of the gas driving the warming.
0.81°C
Where the last 30 days ran warm or cold against the 1991-2020 normal.
15.47°C
Each year's daily global temperature, against the 1991-2020 normal. The anomaly against pre-industrial is a separate chart, still to come.
111.96mm
Sea level measured from orbit since 1993, with the fitted long-term trend.
28.70°C
Sea surface temperature in the tropical Atlantic — the observed record only.
2.32°C
The central Pacific relative to the whole tropical ocean — the measure NOAA uses to call El Niño and La Niña. Observed only, no forecast.
11.49°C
Daily temperature across European land, year by year.
1.60°C
Europe's monthly temperature since 1940, as a line and as stripes.
1.39°C
Where Europe ran warm or cold over the last 30 days.
23.48°C
A near-enclosed sea that heats fast and holds it — daily, year by year.
16.00°C
Daily temperature across the lower 48, year by year.
1.65°C
The US monthly temperature record, as a line and as stripes.
1.89°C
Where the lower 48 ran warm or cold over the last 30 days.
77.40mm
Sea level measured at the Dutch coast itself, from six gauges with long records.
11.04°C
Daily temperature over the Netherlands, year by year.
13.89°C
The shallow sea on the Dutch doorstep, daily and year by year.