Reposted by @wweiss53.bsky.social
426.25 parts per million (ppm) CO2 in air 10-Oct-2026
keelingcurve.ucsd.edu
keelingcurve.ucsd.edu
The Keeling Curve
The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.