Monthly atmospheric CO₂ record from Mauna Loa, Hawaii, U.S.A.

Graphics Digital Data

Pieter P. Tans and Thomas J. Conway

NOAA Climate Monitoring and Diagnostics Laboratory, Boulder, Colorado 80305, U.S.A.

Period of Record

1969-2002

Mauna Loa, Hawaii, U.S.A.
Barren volcanic slope
19°53' N, 155°58' W
3397 m above MSL

Trends

The NOAA/CMDL flask data from Mauna Loa show an increase in the annual value from 325.31 parts per million (ppm) in 1970 to 373.04 ppm in 2002.

CITE AS: Tans, Pieter P. and T.J. Conway, 2005. Monthly Atmospheric CO₂ Mixing Ratios from the NOAA CMDL Carbon Cycle Cooperative Global Air Sampling Network, 1968-2002. In Trends: A Compendium of Data on Global Change. Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, U.S. Department of Energy, Oak Ridge, Tenn., U.S.A.

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3/2005