Global CO2 Concentration
HEADERS
| Key | Datatype | Required | Description |
| Accept
| string | | |
| User-Agent
| string | | |
| X-Requested-With
| string | | |
RESPONSES
status: OK
"Date,Monthly Data,Trend\n1958/03/15,315.7,\n1958/04/15,317.45,\n1958/05/15,317.51,\n1958/06/15,317.24,\n1958/07/15,315.86,\n1958/08/15,314.93,\n1958/09/15,313.2,\n1958/10/15,312.43,\n1958/11/15,313.33,\n1958/12/15,314.67,\n1959/01/15,315.58,\n1959/02/15,316.48,\n1959/03/15,316.65,\n1959/04/15,317.72,\n1959/05/15,318.29,\n1959/06/15,318.15,\n1959/07/15,316.54,\n1959/08/15,314.8,\n1959/09/15,313.84,\n1959/10/15,313.33,\n1959/11/15,314.81,\n1959/12/15,315.58,315.98\n1960/01/15,316.43,\n1960/02/15,316.98,\n1960/03/15,317.58,\n1960/04/15,319.03,\n1960/05/15,320.04,\n1960/06/15,319.59,\n1960/07/15,318.18,\n1960/08/15,315.9,\n1960/09/15,314.17,\n1960/10/15,313.83,\n1960/11/15,315,\n1960/12/15,316.19,316.91\n1961/01/15,316.89,\n1961/02/15,317.7,\n1961/03/15,318.54,\n1961/04/15,319.48,\n1961/05/15,320.58,\n1961/06/15,319.77,\n1961/07/15,318.57,\n1961/08/15,316.79,\n1961/09/15,314.99,\n1961/10/15,315.31,\n1961/11/15,316.1,\n1961/12/15,317.01,317.64\n1962/01/15,317.94,\n1962/02/15,318.55,\n1962/03/15,319.68,\n1962/04/15,320.57,\n1962/05/15,321.02,\n1962/06/15,320.62,\n1962/07/15,319.61,\n1962/08/15,317.4,\n1962/09/15,316.25,\n1962/10/15,315.42,\n1962/11/15,316.69,\n1962/12/15,317.7,318.45\n1963/01/15,318.74,\n1963/02/15,319.07,\n1963/03/15,319.86,\n1963/04/15,321.38,\n1963/05/15,322.25,\n1963/06/15,321.48,\n1963/07/15,319.74,\n1963/08/15,317.77,\n1963/09/15,316.21,\n1963/10/15,315.99,\n1963/11/15,317.07,\n1963/12/15,318.35,318.99\n1964/01/15,319.57,\n1964/02/15,320.01,\n1964/03/15,320.74,\n1964/04/15,321.84,\n1964/05/15,322.26,\n1964/06/15,321.89,\n1964/07/15,320.44,\n1964/08/15,318.69,\n1964/09/15,316.7,\n1964/10/15,316.87,\n1964/11/15,317.68,\n1964/12/15,318.71,319.62\n1965/01/15,319.44,\n1965/02/15,320.44,\n1965/03/15,320.89,\n1965/04/15,322.14,\n1965/05/15,322.17,\n1965/06/15,321.87,\n1965/07/15,321.21,\n1965/08/15,318.87,\n1965/09/15,317.81,\n1965/10/15,317.3,\n1965/11/15,318.87,\n1965/12/15,319.42,320.04\n1966/01/15,320.62,\n1966/02/15,321.6,\n1966/03/15,322.39,\n1966/04/15,323.7,\n1966/05/15,324.08,\n1966/06/15,323.75,\n1966/07/15,322.38,\n1966/08/15,320.36,\n1966/09/15,318.64,\n1966/10/15,318.1,\n1966/11/15,319.78,\n1966/12/15,321.03,321.37\n1967/01/15,322.33,\n1967/02/15,322.5,\n1967/03/15,323.04,\n1967/04/15,324.42,\n1967/05/15,325,\n1967/06/15,324.09,\n1967/07/15,322.54,\n1967/08/15,320.92,\n1967/09/15,319.25,\n1967/10/15,319.39,\n1967/11/15,320.73,\n1967/12/15,321.96,322.18\n1968/01/15,322.57,\n1968/02/15,323.15,\n1968/03/15,323.89,\n1968/04/15,325.02,\n1968/05/15,325.57,\n1968/06/15,325.36,\n1968/07/15,324.14,\n1968/08/15,322.11,\n1968/09/15,320.33,\n1968/10/15,320.25,\n1968/11/15,321.32,\n1968/12/15,322.89,323.05\n1969/01/15,324,\n1969/02/15,324.42,\n1969/03/15,325.63,\n1969/04/15,326.66,\n1969/05/15,327.38,\n1969/06/15,326.71,\n1969/07/15,325.88,\n1969/08/15,323.66,\n1969/09/15,322.38,\n1969/10/15,321.78,\n1969/11/15,322.86,\n1969/12/15,324.12,324.62\n1970/01/15,325.06,\n1970/02/15,325.98,\n1970/03/15,326.93,\n1970/04/15,328.13,\n1970/05/15,328.08,\n1970/06/15,327.67,\n1970/07/15,326.34,\n1970/08/15,324.69,\n1970/09/15,323.1,\n1970/10/15,323.06,\n1970/11/15,324.01,\n1970/12/15,325.13,325.68\n1971/01/15,326.17,\n1971/02/15,326.68,\n1971/03/15,327.17,\n1971/04/15,327.79,\n1971/05/15,328.93,\n1971/06/15,328.57,\n1971/07/15,327.36,\n1971/08/15,325.43,\n1971/09/15,323.36,\n1971/10/15,323.56,\n1971/11/15,324.8,\n1971/12/15,326.01,326.32\n1972/01/15,326.77,\n1972/02/15,327.63,\n1972/03/15,327.75,\n1972/04/15,329.72,\n1972/05/15,330.07,\n1972/06/15,329.09,\n1972/07/15,328.04,\n1972/08/15,326.32,\n1972/09/15,324.84,\n1972/10/15,325.2,\n1972/11/15,326.5,\n1972/12/15,327.55,327.46\n1973/01/15,328.55,\n1973/02/15,329.56,\n1973/03/15,330.3,\n1973/04/15,331.5,\n1973/05/15,332.48,\n1973/06/15,332.07,\n1973/07/15,330.87,\n1973/08/15,329.31,\n1973/09/15,327.51,\n1973/10/15,327.18,\n1973/11/15,328.16,\n1973/12/15,328.64,329.68\n1974/01/15,329.35,\n1974/02/15,330.71,\n1974/03/15,331.48,\n1974/04/15,332.65,\n1974/05/15,333.19,\n1974/06/15,332.16,\n1974/07/15,331.07,\n1974/08/15,329.12,\n1974/09/15,327.32,\n1974/10/15,327.28,\n1974/11/15,328.3,\n1974/12/15,329.58,330.18\n1975/01/15,330.73,\n1975/02/15,331.46,\n1975/03/15,331.9,\n1975/04/15,333.17,\n1975/05/15,333.94,\n1975/06/15,333.45,\n1975/07/15,331.97,\n1975/08/15,329.95,\n1975/09/15,328.5,\n1975/10/15,328.34,\n1975/11/15,329.37,\n1975/12/15,330.64,331.12\n1976/01/15,331.59,\n1976/02/15,332.75,\n1976/03/15,333.52,\n1976/04/15,334.64,\n1976/05/15,334.77,\n1976/06/15,333.99,\n1976/07/15,333.06,\n1976/08/15,330.68,\n1976/09/15,328.95,\n1976/10/15,328.75,\n1976/11/15,330.15,\n1976/12/15,331.62,332.04\n1977/01/15,332.66,\n1977/02/15,333.13,\n1977/03/15,334.95,\n1977/04/15,336.13,\n1977/05/15,336.93,\n1977/06/15,336.17,\n1977/07/15,334.88,\n1977/08/15,332.56,\n1977/09/15,331.29,\n1977/10/15,331.27,\n1977/11/15,332.41,\n1977/12/15,333.6,333.83\n1978/01/15,334.95,\n1978/02/15,335.25,\n1978/03/15,336.66,\n1978/04/15,337.69,\n1978/05/15,338.03,\n1978/06/15,338.01,\n1978/07/15,336.4,\n1978/08/15,334.42,\n1978/09/15,332.37,\n1978/10/15,332.41,\n1978/11/15,333.75,\n1978/12/15,334.9,335.4\n1979/01/15,336.14,\n1979/02/15,336.68,\n1979/03/15,338.27,\n1979/04/15,338.95,\n1979/05/15,339.21,\n1979/06/15,339.26,\n1979/07/15,337.54,\n1979/08/15,335.75,\n1979/09/15,333.98,\n1979/10/15,334.19,\n1979/11/15,335.31,\n1979/12/15,336.81,336.84\n1980/01/15,337.9,\n1980/02/15,338.34,\n1980/03/15,340.01,\n1980/04/15,340.93,\n1980/05/15,341.48,\n1980/06/15,341.32,\n1980/07/15,339.4,\n1980/08/15,337.7,\n1980/09/15,336.19,\n1980/10/15,336.15,\n1980/11/15,337.27,\n1980/12/15,338.32,338.75\n1981/01/15,339.29,\n1981/02/15,340.55,\n1981/03/15,341.62,\n1981/04/15,342.53,\n1981/05/15,343.03,\n1981/06/15,342.54,\n1981/07/15,340.78,\n1981/08/15,338.44,\n1981/09/15,336.95,\n1981/10/15,337.08,\n1981/11/15,338.58,\n1981/12/15,339.88,340.11\n1982/01/15,340.96,\n1982/02/15,341.73,\n1982/03/15,342.81,\n1982/04/15,343.97,\n1982/05/15,344.63,\n1982/06/15,343.79,\n1982/07/15,342.32,\n1982/08/15,340.09,\n1982/09/15,338.28,\n1982/10/15,338.29,\n1982/11/15,339.6,\n1982/12/15,340.9,341.45\n1983/01/15,341.68,\n1983/02/15,342.9,\n1983/03/15,343.33,\n1983/04/15,345.25,\n1983/05/15,346.03,\n1983/06/15,345.63,\n1983/07/15,344.19,\n1983/08/15,342.27,\n1983/09/15,340.35,\n1983/10/15,340.38,\n1983/11/15,341.59,\n1983/12/15,343.05,343.05\n1984/01/15,344.1,\n1984/02/15,344.79,\n1984/03/15,345.52,\n1984/04/15,346.98,\n1984/05/15,347.63,\n1984/06/15,346.98,\n1984/07/15,345.53,\n1984/08/15,343.55,\n1984/09/15,341.4,\n1984/10/15,341.67,\n1984/11/15,343.07,\n1984/12/15,344.7,344.66\n1985/01/15,345.21,\n1985/02/15,346.16,\n1985/03/15,347.74,\n1985/04/15,348.34,\n1985/05/15,349.06,\n1985/06/15,348.38,\n1985/07/15,346.71,\n1985/08/15,345.02,\n1985/09/15,343.27,\n1985/10/15,343.13,\n1985/11/15,344.49,\n1985/12/15,345.88,346.12\n1986/01/15,346.56,\n1986/02/15,347.28,\n1986/03/15,348.07,\n1986/04/15,349.8,\n1986/05/15,350.44,\n1986/06/15,349.93,\n1986/07/15,348.16,\n1986/08/15,346.07,\n1986/09/15,345.22,\n1986/10/15,344.52,\n1986/11/15,345.92,\n1986/12/15,347.22,347.43\n1987/01/15,348.46,\n1987/02/15,348.73,\n1987/03/15,349.73,\n1987/04/15,351.31,\n1987/05/15,352.06,\n1987/06/15,351.52,\n1987/07/15,350.11,\n1987/08/15,348.03,\n1987/09/15,346.52,\n1987/10/15,346.59,\n1987/11/15,347.96,\n1987/12/15,349.16,349.18\n1988/01/15,350.39,\n1988/02/15,351.64,\n1988/03/15,352.4,\n1988/04/15,353.69,\n1988/05/15,354.21,\n1988/06/15,353.75,\n1988/07/15,352.69,\n1988/08/15,350.4,\n1988/09/15,348.92,\n1988/10/15,349.13,\n1988/11/15,350.2,\n1988/12/15,351.41,351.57\n1989/01/15,352.91,\n1989/02/15,353.28,\n1989/03/15,353.97,\n1989/04/15,355.64,\n1989/05/15,355.86,\n1989/06/15,355.37,\n1989/07/15,353.99,\n1989/08/15,351.81,\n1989/09/15,350.05,\n1989/10/15,350.25,\n1989/11/15,351.49,\n1989/12/15,352.85,353.12\n1990/01/15,353.8,\n1990/02/15,355.04,\n1990/03/15,355.73,\n1990/04/15,356.31,\n1990/05/15,357.32,\n1990/06/15,356.34,\n1990/07/15,354.84,\n1990/08/15,353.01,\n1990/09/15,351.31,\n1990/10/15,351.62,\n1990/11/15,353.07,\n1990/12/15,354.33,354.39\n1991/01/15,354.84,\n1991/02/15,355.73,\n1991/03/15,357.23,\n1991/04/15,358.66,\n1991/05/15,359.13,\n1991/06/15,358.13,\n1991/07/15,356.22,\n1991/08/15,353.87,\n1991/09/15,352.25,\n1991/10/15,352.35,\n1991/11/15,353.81,\n1991/12/15,355.12,355.61\n1992/01/15,356.25,\n1992/02/15,357.11,\n1992/03/15,357.86,\n1992/04/15,359.09,\n1992/05/15,359.59,\n1992/06/15,359.33,\n1992/07/15,357.01,\n1992/08/15,354.94,\n1992/09/15,352.95,\n1992/10/15,353.32,\n1992/11/15,354.32,\n1992/12/15,355.57,356.45\n1993/01/15,357,\n1993/02/15,357.31,\n1993/03/15,358.47,\n1993/04/15,359.27,\n1993/05/15,360.19,\n1993/06/15,359.52,\n1993/07/15,357.33,\n1993/08/15,355.64,\n1993/09/15,354.03,\n1993/10/15,354.12,\n1993/11/15,355.41,\n1993/12/15,356.91,357.1\n1994/01/15,358.24,\n1994/02/15,358.92,\n1994/03/15,359.99,\n1994/04/15,361.23,\n1994/05/15,361.65,\n1994/06/15,360.81,\n1994/07/15,359.38,\n1994/08/15,357.46,\n1994/09/15,355.73,\n1994/10/15,356.07,\n1994/11/15,357.53,\n1994/12/15,358.98,358.83\n1995/01/15,359.92,\n1995/02/15,360.86,\n1995/03/15,361.83,\n1995/04/15,363.3,\n1995/05/15,363.69,\n1995/06/15,363.19,\n1995/07/15,361.64,\n1995/08/15,359.12,\n1995/09/15,358.17,\n1995/10/15,357.99,\n1995/11/15,359.45,\n1995/12/15,360.68,360.82\n1996/01/15,362.07,\n1996/02/15,363.24,\n1996/03/15,364.17,\n1996/04/15,364.57,\n1996/05/15,365.13,\n1996/06/15,364.92,\n1996/07/15,363.55,\n1996/08/15,361.39,\n1996/09/15,359.54,\n1996/10/15,359.58,\n1996/11/15,360.89,\n1996/12/15,362.24,362.61\n1997/01/15,363.09,\n1997/02/15,364.03,\n1997/03/15,364.51,\n1997/04/15,366.35,\n1997/05/15,366.64,\n1997/06/15,365.59,\n1997/07/15,364.31,\n1997/08/15,362.25,\n1997/09/15,360.29,\n1997/10/15,360.82,\n1997/11/15,362.49,\n1997/12/15,364.38,363.73\n1998/01/15,365.26,\n1998/02/15,365.98,\n1998/03/15,367.24,\n1998/04/15,368.66,\n1998/05/15,369.42,\n1998/06/15,368.99,\n1998/07/15,367.82,\n1998/08/15,365.95,\n1998/09/15,364.02,\n1998/10/15,364.4,\n1998/11/15,365.52,\n1998/12/15,367.13,366.7\n1999/01/15,368.18,\n1999/02/15,369.12,\n1999/03/15,369.68,\n1999/04/15,370.99,\n1999/05/15,370.96,\n1999/06/15,370.3,\n1999/07/15,369.45,\n1999/08/15,366.9,\n1999/09/15,364.81,\n1999/10/15,365.37,\n1999/11/15,366.72,\n1999/12/15,368.1,368.38\n2000/01/15,369.29,\n2000/02/15,369.55,\n2000/03/15,370.6,\n2000/04/15,371.82,\n2000/05/15,371.58,\n2000/06/15,371.7,\n2000/07/15,369.86,\n2000/08/15,368.13,\n2000/09/15,367,\n2000/10/15,367.03,\n2000/11/15,368.37,\n2000/12/15,369.67,369.55\n2001/01/15,370.59,\n2001/02/15,371.51,\n2001/03/15,372.46,\n2001/04/15,373.37,\n2001/05/15,373.84,\n2001/06/15,373.22,\n2001/07/15,371.5,\n2001/08/15,369.61,\n2001/09/15,368.18,\n2001/10/15,368.45,\n2001/11/15,369.76,\n2001/12/15,371.24,371.14\n2002/01/15,372.53,\n2002/02/15,373.2,\n2002/03/15,374.12,\n2002/04/15,375.02,\n2002/05/15,375.76,\n2002/06/15,375.52,\n2002/07/15,374.01,\n2002/08/15,371.85,\n2002/09/15,370.75,\n2002/10/15,370.55,\n2002/11/15,372.25,\n2002/12/15,373.79,373.28\n2003/01/15,374.88,\n2003/02/15,375.64,\n2003/03/15,376.45,\n2003/04/15,377.73,\n2003/05/15,378.6,\n2003/06/15,378.28,\n2003/07/15,376.7,\n2003/08/15,374.38,\n2003/09/15,373.17,\n2003/10/15,373.14,\n2003/11/15,374.66,\n2003/12/15,375.99,375.8\n2004/01/15,377,\n2004/02/15,377.87,\n2004/03/15,378.88,\n2004/04/15,380.35,\n2004/05/15,380.62,\n2004/06/15,379.69,\n2004/07/15,377.47,\n2004/08/15,376.01,\n2004/09/15,374.25,\n2004/10/15,374.46,\n2004/11/15,376.16,\n2004/12/15,377.51,377.52\n2005/01/15,378.46,\n2005/02/15,379.73,\n2005/03/15,380.77,\n2005/04/15,382.29,\n2005/05/15,382.45,\n2005/06/15,382.21,\n2005/07/15,380.74,\n2005/08/15,378.74,\n2005/09/15,376.7,\n2005/10/15,377,\n2005/11/15,378.35,\n2005/12/15,380.11,379.8\n2006/01/15,381.38,\n2006/02/15,382.2,\n2006/03/15,382.67,\n2006/04/15,384.61,\n2006/05/15,385.03,\n2006/06/15,384.05,\n2006/07/15,382.46,\n2006/08/15,380.41,\n2006/09/15,378.85,\n2006/10/15,379.13,\n2006/11/15,380.18,\n2006/12/15,381.82,381.9\n2007/01/15,382.89,\n2007/02/15,383.9,\n2007/03/15,384.58,\n2007/04/15,386.5,\n2007/05/15,386.56,\n2007/06/15,386.1,\n2007/07/15,384.5,\n2007/08/15,381.99,\n2007/09/15,380.96,\n2007/10/15,381.12,\n2007/11/15,382.45,\n2007/12/15,383.94,383.79\n2008/01/15,385.52,\n2008/02/15,385.81,\n2008/03/15,386.03,\n2008/04/15,387.09,\n2008/05/15,388.54,\n2008/06/15,387.76,\n2008/07/15,386.36,\n2008/08/15,384.09,\n2008/09/15,383.19,\n2008/10/15,382.99,\n2008/11/15,384.19,\n2008/12/15,385.56,385.59\n2009/01/15,386.94,\n2009/02/15,387.48,\n2009/03/15,388.82,\n2009/04/15,389.55,\n2009/05/15,390.14,\n2009/06/15,389.48,\n2009/07/15,388.03,\n2009/08/15,386.11,\n2009/09/15,384.74,\n2009/10/15,384.43,\n2009/11/15,386.02,\n2009/12/15,387.42,387.43\n2010/01/15,388.71,\n2010/02/15,390.2,\n2010/03/15,391.17,\n2010/04/15,392.46,\n2010/05/15,393,\n2010/06/15,392.15,\n2010/07/15,390.2,\n2010/08/15,388.35,\n2010/09/15,386.85,\n2010/10/15,387.24,\n2010/11/15,388.67,\n2010/12/15,389.79,389.9\n2011/01/15,391.33,\n2011/02/15,391.86,\n2011/03/15,392.6,\n2011/04/15,393.25,\n2011/05/15,394.19,\n2011/06/15,393.74,\n2011/07/15,392.51,\n2011/08/15,390.13,\n2011/09/15,389.08,\n2011/10/15,388.99,\n2011/11/15,390.28,\n2011/12/15,391.86,391.65\n2012/01/15,393.12,\n2012/02/15,393.86,\n2012/03/15,394.4,\n2012/04/15,396.18,\n2012/05/15,396.74,\n2012/06/15,395.71,\n2012/07/15,394.36,\n2012/08/15,392.39,\n2012/09/15,391.13,\n2012/10/15,391.05,\n2012/11/15,392.98,\n2012/12/15,394.34,393.86\n2013/01/15,395.55,\n2013/02/15,396.8,\n2013/03/15,397.43,\n2013/04/15,398.41,\n2013/05/15,399.78,\n2013/06/15,398.6,\n2013/07/15,397.32,\n2013/08/15,395.2,\n2013/09/15,393.45,\n2013/10/15,393.7,\n2013/11/15,395.16,\n2013/12/15,396.84,396.52\n2014/01/15,397.85,\n2014/02/15,398.01,\n2014/03/15,399.71,\n2014/04/15,401.33,\n2014/05/15,401.78,\n2014/06/15,401.25,\n2014/07/15,399.11,\n2014/08/15,397.03,\n2014/09/15,395.38,\n2014/10/15,396.07,\n2014/11/15,397.28,\n2014/12/15,398.91,398.64\n2015/01/15,399.98,\n2015/02/15,400.35,\n2015/03/15,401.52,\n2015/04/15,403.15,\n2015/05/15,403.96,\n2015/06/15,402.8,\n2015/07/15,401.29,\n2015/08/15,398.93,\n2015/09/15,397.63,\n2015/10/15,398.29,\n2015/11/15,400.16,\n2015/12/15,401.85,400.83\n2016/01/15,402.5,\n2016/02/15,404.07,\n2016/03/15,404.87,\n2016/04/15,407.42,\n2016/05/15,407.72,\n2016/06/15,406.81,\n2016/07/15,404.4,\n2016/08/15,402.26,\n2016/09/15,401.05,\n2016/10/15,401.6,\n2016/11/15,403.53,\n2016/12/15,404.44,404.22\n2017/01/15,406.17,\n2017/02/15,406.46,\n2017/03/15,407.23,\n2017/04/15,409.03,\n2017/05/15,409.69,\n2017/06/15,408.89,\n2017/07/15,407.13,\n2017/08/15,405.12,\n2017/09/15,403.37,\n2017/10/15,403.63,\n2017/11/15,405.12,\n2017/12/15,406.81,406.55\n2018/01/15,407.96,\n2018/02/15,408.32,\n2018/03/15,409.39,\n2018/04/15,410.25,\n2018/05/15,411.24,\n2018/06/15,410.79,\n2018/07/15,408.7,\n2018/08/15,406.97,\n2018/09/15,405.52,\n2018/10/15,406,\n2018/11/15,408.02,\n2018/12/15,409.08,408.52\n2019/01/15,410.83,\n2019/02/15,411.75,\n2019/03/15,411.97,\n2019/04/15,413.33,\n2019/05/15,414.64,\n2019/06/15,413.93,\n2019/07/15,411.74,\n2019/08/15,409.95,\n2019/09/15,408.54,\n2019/10/15,408.52,\n2019/11/15,410.25,\n2019/12/15,411.76,411.43\n2020/01/15,413.39,\n2020/02/15,414.11,\n2020/03/15,414.51,\n2020/04/15,416.21,\n2020/05/15,417.07,\n2020/06/15,416.38,\n2020/07/15,414.38,\n2020/08/15,412.55,\n2020/09/15,411.29,\n2020/10/15,411.28,\n2020/11/15,412.89,\n2020/12/15,414.02,414.01\n2021/01/15,415.28,\n"