- Details
- Last Updated: 10 September 2020 10 September 2020
Atmospheric CO2
August 2020
412.55
parts per million (ppm)
Mauna Loa Observatory, Hawaii (NOAA)
Preliminary data released September 9, 2020
Atmospheric CO2
August 2020
412.55
parts per million (ppm)
Mauna Loa Observatory, Hawaii (NOAA)
Preliminary data released September 9, 2020