- Details
- Last Updated: 03 January 2020 03 January 2020
Atmospheric CO2
December 2019
411.85
parts per million (ppm)
Mauna Loa Observatory, Hawaii (Scripps)
Preliminary data released January 2, 2020
Atmospheric CO2
December 2019
411.85
parts per million (ppm)
Mauna Loa Observatory, Hawaii (Scripps)
Preliminary data released January 2, 2020