Indeed. For a Bay Area comparison showing local fluctuation to gauge CO2 saturation, see the Exploratorium's Beacon Data: https://www.exploratorium.edu/environm

Indeed. For a Bay Area comparison showing local fluctuation to gauge CO2 saturation, see the Exploratorium's Beacon Data: https://www.exploratorium.edu/environmental-field-station/current-conditions https://www.exploratorium.edu/environmental-field-station/cu... https://www.exploratorium.edu/environmental-field-station/sensors-locations https://www.exploratorium.edu/environmental-field-station/se.... It varies quite heavily, some of the latest measurements are in the over 500PPM.