CO2 Mole Fraction in Atmosphere is the measured amount of CO2 in a sample of air. Mole fraction refers to its units – how many moles of CO2 there are per million moles of air (i.e. ppm).

Instrument Classes

The following instrument classes include this data product:

Typical Units

ppm

Sampling Regime

Air-Sea Interface

Data Product Specification

XCO2ATM DPS