Mauna Loa CO2

April 2018

 

NOAA-ESRL

SCRIPPS UCSD

April 2018

pending

410.31

April 2017

pending

408.95

April 2016

pending

407.57

Last Update: May 2, 2018
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.