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Trends in Atmospheric Carbon Dioxide
Monthly CO2 Average (NOAA Data Source)
February 2024: 424.55 ppm
February 2023: 430.30 ppm
Last updated: Mar 5, 2024
History of atmospheric carbon dioxide from 800,000 years ago until the end of the most recent GLOBALVIEW+ CO2 collection
Trends in Atmospheric Methane
Global CH4 Monthly Means (NOAA Data Source)
November 2023: 1934.16 ppb
November 2022: 1923.63 ppb
Last updated: Mar 5, 2024
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