This indicator shows the global concentrations of carbon dioxide (CO₂) in the atmosphere, in parts per million (ppm).

Global carbon dioxide concentrations

This indicator shows the global concentrations of carbon dioxide (CO2) in the atmosphere. These are expressed in parts per million (ppm), which is the number of CO2 molecules in every million air particles.

In March 2019, the monthly average global concentration of CO2 in the atmosphere was

411.04 ppm

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