The Keeling curve Beta
Beta: not reviewed yet, and there is no video for this one.
Carbon dioxide in the air above Mauna Loa in Hawaii, measured every month since March 1958. The yearly wiggle is plants breathing with the seasons; the climb is us.
Loading the record.
ppm means parts per million: molecules of carbon dioxide per million of dry air. NOAA fills in months with missing data.
From December 2022 to early July 2023 readings come from Maunakea, about 21 miles away, after an eruption cut power to Mauna Loa.
Source: NOAA Global Monitoring Laboratory and Scripps Institution of Oceanography, monthly mean carbon dioxide at Mauna Loa Observatory.