Latest weekly CO2 level in the Earth's atmosphere


This graphic presents the latest weekly average concentration of carbon dioxide (CO2) in the Earth's atmosphere.  CO2 concentrations are measured with high-precision instruments at the Mauna Loa Observatory located 3400 metres above sea level in Hawaii.  Measurements are made and reported by scientists the Global Monitoring Laboratory (GML) of the National Oceanic and Atmospheric Administration (NOAA).  



NOAA GML  Source data:  Webpage & Data file (txt) 

CO2.Earth  More weekly CO2 information: Weekly CO2 webpage

Show.Earth  HTML to display CO2 levels on websites with The Weekly CO2 Widget 


Other CO2 Data

CO2.Earth  Daily CO2 Levels

CO2.Earth  Monthly CO2 Levels

CO2.Earth  Yearly CO2 Levels

CO2.Earth  Highest-recorded CO2 levels




We acknowledge the print media outlets which publish weekly CO2 levels in their newspapers.

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