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The fields of CO2 mole fraction shown here represent our best estimate of the distribution of carbon dioxide in the atmosphere. These 4-dimensional CO2 data are created using the CarbonTracker optimized surface fluxes and simulated atmospheric transport.
CO2 Mole fraction data files
This provides FTP access to netCDF files with three-hourly distributions of CO2 mole fraction over the entire globe.

CO2 Weather Maps
This product illustrates the daily evolution of atmospheric CO2 over time in great detail, hence the name "CO2 Weather". Maps are available for North America and for the entire globe.

CO2 Weather Movies
Animations of the CO2 mixing ratio in the troposphere for the entire globe and North America.