CO2 / PPM /Annual Averages / Data Source: noaa.gov
1980 338.91ppm
1981 340.11ppm
1982 340.86ppm
1983 342.53ppm
1984 344.07ppm
1985 345.54ppm
1986 346.97ppm
1987 348.68ppm
1988 351.16ppm
1989 352.78ppm
1990 354.05ppm
1991 355.39ppm
1992 356.1ppm
1993 356.83ppm
1994 358.33ppm
1995 360.18ppm
1996 361.93ppm
1997 363.04ppm
1998 365.7ppm
1999 367.8ppm
2000 368.97ppm
2001 370.57ppm
2002 372.59ppm
2003 375.14ppm
2004 376.96ppm
2005 378.97ppm
2006 381.13ppm
2007 382.9ppm
2008 385.01ppm
2009 386.5ppm
2010 388.76ppm
2011 390.63ppm
2012 392.65ppm
2013 395.39ppm
2014 397.34ppm
2015 399.65ppm
2016 403.09ppm
2017 405.22ppm
2018 407.62ppm
2019 410.07ppm
2020 412.44ppm
2021 414.72ppm
2022 418.56ppm
2023 421.08ppm
2024 424.61ppm
2025 427.35ppm
CO2 / PPM /Annual Averages / Data Source: noaa.gov
1980 338.91ppm
1981 340.11ppm
1982 340.86ppm
1983 342.53ppm
1984 344.07ppm
1985 345.54ppm
1986 346.97ppm
1987 348.68ppm
1988 351.16ppm
1989 352.78ppm
1990 354.05ppm
1991 355.39ppm
1992 356.1ppm
1993 356.83ppm
1994 358.33ppm
1995 360.18ppm
1996 361.93ppm
1997 363.04ppm
1998 365.7ppm
1999 367.8ppm
2000 368.97ppm
2001 370.57ppm
2002 372.59ppm
2003 375.14ppm
2004 376.96ppm
2005 378.97ppm
2006 381.13ppm
2007 382.9ppm
2008 385.01ppm
2009 386.5ppm
2010 388.76ppm
2011 390.63ppm
2012 392.65ppm
2013 395.39ppm
2014 397.34ppm
2015 399.65ppm
2016 403.09ppm
2017 405.22ppm
2018 407.62ppm
2019 410.07ppm
2020 412.44ppm
2021 414.72ppm
2022 418.56ppm
2023 421.08ppm
2024 424.61ppm
2025 427.35ppm
