Jan Chwedeńczuk

CO2 level for March

2024:

425.38 ppm

2023:

420.99 ppm

CH4 level for December

2023:

1932.23 ppb

2022:

1924.61 ppb


source:

Earth System Research Laboratory
Global Monitoring Division (NOAA)





retrieved on April 15, 2024 from::

NOAA National Centers for Environmental Information
State of the Climate: Global Climate Report for March 2024
published online April 2024

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