(Translated by https://www.hiragana.jp/)
NOAA Global Monitoring Laboratory - Halocarbons and other Atmospheric Trace Species
In situ Program Concentrations & Figures

Some of this data is preliminary! Please contact Geoff Dutton for finalized data.

Figures and Data Files

BRW

Barrow, Alaska
N2O SF6  
CFC-11 CFC-12 CFC-113
CCl4 CH3CCl3 halon-1211

SUM

Summit, Greenland
N2O SF6  
CFC-11 CFC-12 CFC-113
CCl4 CH3CCl3 halon-1211

NWR

Niwot Ridge, Colorado
N2O SF6  
CFC-11 CFC-12 CFC-113
CCl4 CH3CCl3 halon-1211

MLO

Mauna Loa, Hawaii
N2O SF6  
CFC-11 CFC-12 CFC-113
CCl4 CH3CCl3 halon-1211

SMO

American Samoa
N2O SF6  
CFC-11 CFC-12 CFC-113
CCl4 CH3CCl3 halon-1211

SPO

South Pole, Antarctica
N2O SF6  
CFC-11 CFC-12 CFC-113
CCl4 CH3CCl3 halon-1211

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