800,000 years ago to the present

Global Historical Temperature Record

This graph features a history of global surface temperatures that combine measurements from as far back as 800,000 years up to the present. Select a greenhouse gas from the graph menu to compare temperature to historical carbon dioxide, methane and nitrous oxide levels. The graph is customizable and can be resized, printed, or pasted into your website. This is a free service, but we do ask for a donation if you find this useful. This is a project of the 2 Degrees Institute, a non-profit organization.

A paleoclimatic temperature record for researchers and educators

Key features

Current and Historical data

This global temperature chart is automatically updated every month with data directly from NASA's GLOBAL Land-Ocean Temperature Index. The graphs incorporates monthly temperature values since 1880 when Modern record keeping began. Prior to 1880, global temperature was reconstructed from ice cores and sea sediment data. To view greenhouse gas data, select a gas from the graph menu. Learn more about the data sources.

Free Temperature Record Graph

This interactive graph is free to use on your website. Simply choose your color theme and then copy and paste 2 lines of code. Data and source code is hosted on our servers so you do not have to worry about using up your server's bandwidth. New global temperature data is updated automatically, every month. Greenhouse gases (accessible from the graph menu - top right of graph) are also updated automatically.

Zoomable and Printable

View surface temperature data over a span of thousands of years or zoom to specific time periods. Use your fingers to pinch and zoom on a handheld device or use a mouse with a computer. Export the chart to PNG, JPG, PDF or SVG format with the click of a button or print the chart directly from the web page.

Customizable and Responsive

Choose from 4 color themes to match your website's look and feel. Customize the width and height of your graph or have it fill your entire screen. The temperature graph is responsive and can automatically resize to fit whatever device or screen size it is being viewed on.

Modern and paleoclimatic temperature data combined.

Data Sources

Getting the Data Right.

Our Team of Scientific Advisors

Dr. Pieter Tans
NOAA's Earth System Research Laboratory

Dr. James Hansen
Columbia University

Dr. Geoff Dutton
NOAA's Earth System Research Laboratory

Dr. Jeremy Shakun
Boston College

Watch this educational video.

Climate data in the ice core record

Stay in touch to receive data product offerings and climate campaigns

Sign-up to the 2° Institute Newsletter.