Mauna Loa CO2

November 2017

 

NOAA-ESRL

SCRIPPS UCSD

November 2017

405.14

pending

November 2016

403.53

pending

November 2015

400.16

pending

Last Update: December 5, 2017
pending
View Data: NOAA  |  CO2.Earth Scripps

Mauna Loa Observatory (MLO)  |  Atmospheric CO2
monthly mean concentrations  |  ppm = parts per million

 

Two independent records of CO2 changes are maintained in parallel at Mauna Loa.   A graph showing the two records together is available at the bottom of the Scripps CO2 Program website

Use the tabs below to view the latest monthly CO2 data, charts and related links.

 

CO2 Past.  CO2 Present.  CO2 Future.