Carbon dioxide peaks over New Zealand
1 May 2023

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Above: Baring Head Clean Air Station. Photo: Dave Allen / NIWA |
Last Tuesday, NIWA’s CO2 reading at the Baring Head clean air station near Wellington reached an all-time high of 418.5 parts per million (ppm) - well above the “safe” level of 350 ppm that could keep warming below 1.5 degrees C.