Daily Climate Report (15).

Today is Tuesday 26th September 2023. CO2 Earth reports an atmospheric CO2 level for the 25th of 418.21 ppm, up from 415.7 ppm on the 25th September 2022, an increase of 2.51 ppm, or 0.604% p.a.

The Keeling Curve reports a figure of 417.98 ppm for the 26th September 2023, and the NOAA Global Monitoring Laboratory at the Mauna Kea Observatory in Hawaii reports atmospheric CO2 levels of 418.01 ppm for the 24th, 418.21 ppm for the 25th and 418.64 ppm for the 26th, respectively.

418.64 ppm = 811.2 mg/m^3 = 3,267.2 GtCO2.

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