- Details
- Last Updated: 07 February 2021 07 February 2021
Atmospheric CO2
January 2021
415.24
parts per million (ppm)
Mauna Loa Observatory, Hawaii (Scripps UCSD)
Preliminary data released February 4, 2021
Atmospheric CO2
January 2021
415.24
parts per million (ppm)
Mauna Loa Observatory, Hawaii (Scripps UCSD)
Preliminary data released February 4, 2021