{"id":"methane","label":"Atmospheric methane","unit":"ppb","source":"NOAA Global Monitoring Laboratory","cadence":"monthly","generated":"2026-08-20","through":"May 2026","latest":{"t":2026.292,"v":1937.59},"first":{"t":1983.542,"v":1626.05},"trend":{"delta":311.54,"pct":19.2},"series":[{"t":1983.542,"v":1626.05},{"t":1983.625,"v":1628.02},{"t":1983.708,"v":1638.42},{"t":1983.792,"v":1644.81},{"t":1983.875,"v":1642.6},{"t":1983.958,"v":1639.53},{"t":1984.042,"v":1638.74},{"t":1984.125,"v":1638.8},{"t":1984.208,"v":1640.86},{"t":1984.292,"v":1643.98},{"t":1984.375,"v":1643.13},{"t":1984.458,"v":1639.74},{"t":1984.542,"v":1638.01},{"t":1984.625,"v":1641.69},{"t":1984.708,"v":1650.61},{"t":1984.792,"v":1654.6},{"t":1984.875,"v":1653.78},{"t":1984.958,"v":1656.2},{"t":1985.042,"v":1655.6},{"t":1985.125,"v":1652.23},{"t":1985.208,"v":1654.61},{"t":1985.292,"v":1658.2},{"t":1985.375,"v":1655.86},{"t":1985.458,"v":1650.05},{"t":1985.542,"v":1646.83},{"t":1985.625,"v":1652.23},{"t":1985.708,"v":1662.48},{"t":1985.792,"v":1667.51},{"t":1985.875,"v":1666.81},{"t":1985.958,"v":1666.06},{"t":1986.042,"v":1666.29},{"t":1986.125,"v":1666.91},{"t":1986.208,"v":1669.26},{"t":1986.292,"v":1670.81},{"t":1986.375,"v":1668.44},{"t":1986.458,"v":1664.77},{"t":1986.542,"v":1662.35},{"t":1986.625,"v":1664.36},{"t":1986.708,"v":1672.56},{"t":1986.792,"v":1678.68},{"t":1986.875,"v":1678.97},{"t":1986.958,"v":1679.12},{"t":1987.042,"v":1679.43},{"t":1987.125,"v":1679.02},{"t":1987.208,"v":1680.01},{"t":1987.292,"v":1681.37},{"t":1987.375,"v":1681.85},{"t":1987.458,"v":1679.98},{"t":1987.542,"v":1676},{"t":1987.625,"v":1677.18},{"t":1987.708,"v":1685.58},{"t":1987.792,"v":1691.55},{"t":1987.875,"v":1691.19},{"t":1987.958,"v":1690.51},{"t":1988.042,"v":1691.99},{"t":1988.125,"v":1692.53},{"t":1988.208,"v":1691.29},{"t":1988.292,"v":1690.07},{"t":1988.375,"v":1689.09},{"t":1988.458,"v":1687.19},{"t":1988.542,"v":1686.04},{"t":1988.625,"v":1689.43},{"t":1988.708,"v":1696.11},{"t":1988.792,"v":1701.15},{"t":1988.875,"v":1702.84},{"t":1988.958,"v":1701.9},{"t":1989.042,"v":1700.55},{"t":1989.125,"v":1701.11},{"t":1989.208,"v":1702.49},{"t":1989.292,"v":1703.59},{"t":1989.375,"v":1703.35},{"t":1989.458,"v":1700.2},{"t":1989.542,"v":1698.22},{"t":1989.625,"v":1701.96},{"t":1989.708,"v":1707.16},{"t":1989.792,"v":1710.53},{"t":1989.875,"v":1713.11},{"t":1989.958,"v":1713.22},{"t":1990.042,"v":1712.15},{"t":1990.125,"v":1713.49},{"t":1990.208,"v":1714.35},{"t":1990.292,"v":1712.54},{"t":1990.375,"v":1710.63},{"t":1990.458,"v":1708.45},{"t":1990.542,"v":1706.58},{"t":1990.625,"v":1710.22},{"t":1990.708,"v":1717.58},{"t":1990.792,"v":1722.03},{"t":1990.875,"v":1723.46},{"t":1990.958,"v":1723.32},{"t":1991.042,"v":1721.77},{"t":1991.125,"v":1721.42},{"t":1991.208,"v":1722.09},{"t":1991.292,"v":1722.38},{"t":1991.375,"v":1722.07},{"t":1991.458,"v":1718.85},{"t":1991.542,"v":1715.94},{"t":1991.625,"v":1719.05},{"t":1991.708,"v":1726.01},{"t":1991.792,"v":1732.79},{"t":1991.875,"v":1737.53},{"t":1991.958,"v":1739.57},{"t":1992.042,"v":1738.92},{"t":1992.125,"v":1737.31},{"t":1992.208,"v":1736.8},{"t":1992.292,"v":1736.66},{"t":1992.375,"v":1735.04},{"t":1992.458,"v":1731.58},{"t":1992.542,"v":1728.81},{"t":1992.625,"v":1730.32},{"t":1992.708,"v":1734.59},{"t":1992.792,"v":1737.69},{"t":1992.875,"v":1739.22},{"t":1992.958,"v":1738.52},{"t":1993.042,"v":1735.78},{"t":1993.125,"v":1734.36},{"t":1993.208,"v":1735.38},{"t":1993.292,"v":1736.6},{"t":1993.375,"v":1734.99},{"t":1993.458,"v":1730.88},{"t":1993.542,"v":1728.03},{"t":1993.625,"v":1731.13},{"t":1993.708,"v":1738.44},{"t":1993.792,"v":1743.39},{"t":1993.875,"v":1745.21},{"t":1993.958,"v":1744.3},{"t":1994.042,"v":1741.41},{"t":1994.125,"v":1740.77},{"t":1994.208,"v":1741.88},{"t":1994.292,"v":1741.99},{"t":1994.375,"v":1740.73},{"t":1994.458,"v":1736.92},{"t":1994.542,"v":1732.32},{"t":1994.625,"v":1734.04},{"t":1994.708,"v":1742.98},{"t":1994.792,"v":1749.88},{"t":1994.875,"v":1751.38},{"t":1994.958,"v":1751.71},{"t":1995.042,"v":1751.15},{"t":1995.125,"v":1749.49},{"t":1995.208,"v":1748.99},{"t":1995.292,"v":1749.43},{"t":1995.375,"v":1747.64},{"t":1995.458,"v":1742.82},{"t":1995.542,"v":1740.18},{"t":1995.625,"v":1743.58},{"t":1995.708,"v":1749.77},{"t":1995.792,"v":1754.36},{"t":1995.875,"v":1755.5},{"t":1995.958,"v":1753.85},{"t":1996.042,"v":1752.24},{"t":1996.125,"v":1752.73},{"t":1996.208,"v":1752.24},{"t":1996.292,"v":1749.65},{"t":1996.375,"v":1748.27},{"t":1996.458,"v":1746.01},{"t":1996.542,"v":1742.07},{"t":1996.625,"v":1744.26},{"t":1996.708,"v":1752.6},{"t":1996.792,"v":1758.89},{"t":1996.875,"v":1760.05},{"t":1996.958,"v":1756.94},{"t":1997.042,"v":1753.4},{"t":1997.125,"v":1753.85},{"t":1997.208,"v":1755.67},{"t":1997.292,"v":1755.54},{"t":1997.375,"v":1753.79},{"t":1997.458,"v":1750.08},{"t":1997.542,"v":1746.06},{"t":1997.625,"v":1747.74},{"t":1997.708,"v":1754.97},{"t":1997.792,"v":1760.3},{"t":1997.875,"v":1761.7},{"t":1997.958,"v":1761.89},{"t":1998.042,"v":1761.48},{"t":1998.125,"v":1761.47},{"t":1998.208,"v":1762.95},{"t":1998.292,"v":1764.75},{"t":1998.375,"v":1764.3},{"t":1998.458,"v":1760.35},{"t":1998.542,"v":1756.17},{"t":1998.625,"v":1760.2},{"t":1998.708,"v":1770.7},{"t":1998.792,"v":1776.29},{"t":1998.875,"v":1775.54},{"t":1998.958,"v":1774.09},{"t":1999.042,"v":1773.8},{"t":1999.125,"v":1773.88},{"t":1999.208,"v":1774.57},{"t":1999.292,"v":1774.96},{"t":1999.375,"v":1772.64},{"t":1999.458,"v":1767.33},{"t":1999.542,"v":1762.96},{"t":1999.625,"v":1764.62},{"t":1999.708,"v":1771.01},{"t":1999.792,"v":1776.62},{"t":1999.875,"v":1778.53},{"t":1999.958,"v":1777.23},{"t":2000.042,"v":1775.54},{"t":2000.125,"v":1775.44},{"t":2000.208,"v":1776.49},{"t":2000.292,"v":1777.22},{"t":2000.375,"v":1774.56},{"t":2000.458,"v":1768.13},{"t":2000.542,"v":1763.48},{"t":2000.625,"v":1765.43},{"t":2000.708,"v":1772.02},{"t":2000.792,"v":1777.1},{"t":2000.875,"v":1777.72},{"t":2000.958,"v":1775.3},{"t":2001.042,"v":1772.88},{"t":2001.125,"v":1772.51},{"t":2001.208,"v":1773.65},{"t":2001.292,"v":1773.88},{"t":2001.375,"v":1770.87},{"t":2001.458,"v":1766.1},{"t":2001.542,"v":1763.04},{"t":2001.625,"v":1764.5},{"t":2001.708,"v":1770.44},{"t":2001.792,"v":1775.5},{"t":2001.875,"v":1776.57},{"t":2001.958,"v":1775.92},{"t":2002.042,"v":1774.13},{"t":2002.125,"v":1772.85},{"t":2002.208,"v":1773.42},{"t":2002.292,"v":1772.75},{"t":2002.375,"v":1770.27},{"t":2002.458,"v":1766.88},{"t":2002.542,"v":1764.28},{"t":2002.625,"v":1766.97},{"t":2002.708,"v":1773.75},{"t":2002.792,"v":1778.27},{"t":2002.875,"v":1779.49},{"t":2002.958,"v":1779.65},{"t":2003.042,"v":1777.54},{"t":2003.125,"v":1774.81},{"t":2003.208,"v":1774.83},{"t":2003.292,"v":1775.81},{"t":2003.375,"v":1774.44},{"t":2003.458,"v":1771.68},{"t":2003.542,"v":1770.73},{"t":2003.625,"v":1774.29},{"t":2003.708,"v":1780.54},{"t":2003.792,"v":1784.69},{"t":2003.875,"v":1785.27},{"t":2003.958,"v":1783.56},{"t":2004.042,"v":1780.74},{"t":2004.125,"v":1779.67},{"t":2004.208,"v":1780.93},{"t":2004.292,"v":1780.89},{"t":2004.375,"v":1777.73},{"t":2004.458,"v":1772.43},{"t":2004.542,"v":1768.18},{"t":2004.625,"v":1769.97},{"t":2004.708,"v":1775.87},{"t":2004.792,"v":1780.09},{"t":2004.875,"v":1780.53},{"t":2004.958,"v":1778.16},{"t":2005.042,"v":1776.11},{"t":2005.125,"v":1775.73},{"t":2005.208,"v":1775.56},{"t":2005.292,"v":1774.78},{"t":2005.375,"v":1772.49},{"t":2005.458,"v":1768.8},{"t":2005.542,"v":1766.41},{"t":2005.625,"v":1768.13},{"t":2005.708,"v":1773.19},{"t":2005.792,"v":1778.55},{"t":2005.875,"v":1781.22},{"t":2005.958,"v":1780.27},{"t":2006.042,"v":1779.54},{"t":2006.125,"v":1779.46},{"t":2006.208,"v":1777.39},{"t":2006.292,"v":1776.13},{"t":2006.375,"v":1774.9},{"t":2006.458,"v":1769.23},{"t":2006.542,"v":1764.18},{"t":2006.625,"v":1767.23},{"t":2006.708,"v":1774.58},{"t":2006.792,"v":1778.25},{"t":2006.875,"v":1779.03},{"t":2006.958,"v":1779.92},{"t":2007.042,"v":1779.26},{"t":2007.125,"v":1778.66},{"t":2007.208,"v":1780.26},{"t":2007.292,"v":1781.03},{"t":2007.375,"v":1779.27},{"t":2007.458,"v":1775.47},{"t":2007.542,"v":1772.67},{"t":2007.625,"v":1777.32},{"t":2007.708,"v":1785.86},{"t":2007.792,"v":1789.7},{"t":2007.875,"v":1789.32},{"t":2007.958,"v":1788.08},{"t":2008.042,"v":1786.71},{"t":2008.125,"v":1785.8},{"t":2008.208,"v":1786.16},{"t":2008.292,"v":1786.91},{"t":2008.375,"v":1785.21},{"t":2008.458,"v":1780.46},{"t":2008.542,"v":1777.65},{"t":2008.625,"v":1781.03},{"t":2008.708,"v":1787.64},{"t":2008.792,"v":1793.69},{"t":2008.875,"v":1797.31},{"t":2008.958,"v":1796.58},{"t":2009.042,"v":1795.04},{"t":2009.125,"v":1795.51},{"t":2009.208,"v":1795.87},{"t":2009.292,"v":1795.54},{"t":2009.375,"v":1792.41},{"t":2009.458,"v":1786.97},{"t":2009.542,"v":1785.06},{"t":2009.625,"v":1788.89},{"t":2009.708,"v":1794.79},{"t":2009.792,"v":1798.01},{"t":2009.875,"v":1797.84},{"t":2009.958,"v":1796.74},{"t":2010.042,"v":1797.38},{"t":2010.125,"v":1798.95},{"t":2010.208,"v":1799.49},{"t":2010.292,"v":1799.62},{"t":2010.375,"v":1797.62},{"t":2010.458,"v":1792.4},{"t":2010.542,"v":1789.31},{"t":2010.625,"v":1793.99},{"t":2010.708,"v":1801.92},{"t":2010.792,"v":1806.73},{"t":2010.875,"v":1807.07},{"t":2010.958,"v":1803.29},{"t":2011.042,"v":1799.98},{"t":2011.125,"v":1799.92},{"t":2011.208,"v":1800.94},{"t":2011.292,"v":1802.8},{"t":2011.375,"v":1803.09},{"t":2011.458,"v":1798.94},{"t":2011.542,"v":1796.03},{"t":2011.625,"v":1799},{"t":2011.708,"v":1804.18},{"t":2011.792,"v":1809.62},{"t":2011.875,"v":1812.4},{"t":2011.958,"v":1810.1},{"t":2012.042,"v":1807.31},{"t":2012.125,"v":1808.18},{"t":2012.208,"v":1809.95},{"t":2012.292,"v":1808.5},{"t":2012.375,"v":1804.79},{"t":2012.458,"v":1801},{"t":2012.542,"v":1799.36},{"t":2012.625,"v":1803.24},{"t":2012.708,"v":1810.11},{"t":2012.792,"v":1814.85},{"t":2012.875,"v":1815.93},{"t":2012.958,"v":1814.55},{"t":2013.042,"v":1814.06},{"t":2013.125,"v":1814.14},{"t":2013.208,"v":1813.25},{"t":2013.292,"v":1812.85},{"t":2013.375,"v":1811.93},{"t":2013.458,"v":1808.58},{"t":2013.542,"v":1805.99},{"t":2013.625,"v":1808.52},{"t":2013.708,"v":1814.23},{"t":2013.792,"v":1818.52},{"t":2013.875,"v":1820.33},{"t":2013.958,"v":1819.32},{"t":2014.042,"v":1816.78},{"t":2014.125,"v":1816.27},{"t":2014.208,"v":1818.05},{"t":2014.292,"v":1820.88},{"t":2014.375,"v":1821.94},{"t":2014.458,"v":1818.47},{"t":2014.542,"v":1815.8},{"t":2014.625,"v":1819.9},{"t":2014.708,"v":1826.88},{"t":2014.792,"v":1831.23},{"t":2014.875,"v":1832.98},{"t":2014.958,"v":1833.45},{"t":2015.042,"v":1833.12},{"t":2015.125,"v":1832.95},{"t":2015.208,"v":1833.19},{"t":2015.292,"v":1833.16},{"t":2015.375,"v":1831.51},{"t":2015.458,"v":1827.11},{"t":2015.542,"v":1824.6},{"t":2015.625,"v":1828.96},{"t":2015.708,"v":1836.2},{"t":2015.792,"v":1841.49},{"t":2015.875,"v":1844.53},{"t":2015.958,"v":1844.74},{"t":2016.042,"v":1842.54},{"t":2016.125,"v":1841.73},{"t":2016.208,"v":1843.04},{"t":2016.292,"v":1843.76},{"t":2016.375,"v":1842.14},{"t":2016.458,"v":1837.89},{"t":2016.542,"v":1834.27},{"t":2016.625,"v":1836.82},{"t":2016.708,"v":1844.32},{"t":2016.792,"v":1849.97},{"t":2016.875,"v":1851.46},{"t":2016.958,"v":1851.07},{"t":2017.042,"v":1849.79},{"t":2017.125,"v":1848.54},{"t":2017.208,"v":1848.28},{"t":2017.292,"v":1848.6},{"t":2017.375,"v":1847.21},{"t":2017.458,"v":1842.89},{"t":2017.542,"v":1840.24},{"t":2017.625,"v":1844.57},{"t":2017.708,"v":1852.75},{"t":2017.792,"v":1858.04},{"t":2017.875,"v":1858.6},{"t":2017.958,"v":1856.59},{"t":2018.042,"v":1854.54},{"t":2018.125,"v":1855.07},{"t":2018.208,"v":1856.96},{"t":2018.292,"v":1856.75},{"t":2018.375,"v":1854.71},{"t":2018.458,"v":1851.85},{"t":2018.542,"v":1849.07},{"t":2018.625,"v":1851.93},{"t":2018.708,"v":1860.46},{"t":2018.792,"v":1865.75},{"t":2018.875,"v":1866.24},{"t":2018.958,"v":1866.03},{"t":2019.042,"v":1865.05},{"t":2019.125,"v":1865.05},{"t":2019.208,"v":1866.32},{"t":2019.292,"v":1865.35},{"t":2019.375,"v":1861.96},{"t":2019.458,"v":1858.6},{"t":2019.542,"v":1858.11},{"t":2019.625,"v":1862.97},{"t":2019.708,"v":1870.87},{"t":2019.792,"v":1875.5},{"t":2019.875,"v":1875.66},{"t":2019.958,"v":1874.63},{"t":2020.042,"v":1872.92},{"t":2020.125,"v":1872.28},{"t":2020.208,"v":1874.37},{"t":2020.292,"v":1875.79},{"t":2020.375,"v":1874.4},{"t":2020.458,"v":1871.97},{"t":2020.542,"v":1871.49},{"t":2020.625,"v":1876.38},{"t":2020.708,"v":1884.55},{"t":2020.792,"v":1890},{"t":2020.875,"v":1891.47},{"t":2020.958,"v":1890.97},{"t":2021.042,"v":1888.62},{"t":2021.125,"v":1886.65},{"t":2021.208,"v":1887.99},{"t":2021.292,"v":1890.81},{"t":2021.375,"v":1891.27},{"t":2021.458,"v":1888.08},{"t":2021.542,"v":1886},{"t":2021.625,"v":1892.31},{"t":2021.708,"v":1902.42},{"t":2021.792,"v":1907.92},{"t":2021.875,"v":1909.22},{"t":2021.958,"v":1907.95},{"t":2022.042,"v":1906.34},{"t":2022.125,"v":1906.41},{"t":2022.208,"v":1907.77},{"t":2022.292,"v":1908.85},{"t":2022.375,"v":1907.48},{"t":2022.458,"v":1904.82},{"t":2022.542,"v":1904.01},{"t":2022.625,"v":1908.31},{"t":2022.708,"v":1915.02},{"t":2022.792,"v":1919.46},{"t":2022.875,"v":1922.25},{"t":2022.958,"v":1922.13},{"t":2023.042,"v":1919.97},{"t":2023.125,"v":1918.94},{"t":2023.208,"v":1918.71},{"t":2023.292,"v":1919.53},{"t":2023.375,"v":1918.86},{"t":2023.458,"v":1914.97},{"t":2023.542,"v":1912.95},{"t":2023.625,"v":1916.66},{"t":2023.708,"v":1924.37},{"t":2023.792,"v":1930.11},{"t":2023.875,"v":1931.53},{"t":2023.958,"v":1931.15},{"t":2024.042,"v":1928.2},{"t":2024.125,"v":1925.59},{"t":2024.208,"v":1926.85},{"t":2024.292,"v":1928.22},{"t":2024.375,"v":1925.41},{"t":2024.458,"v":1921.37},{"t":2024.542,"v":1920.4},{"t":2024.625,"v":1924.79},{"t":2024.708,"v":1934.24},{"t":2024.792,"v":1940.71},{"t":2024.875,"v":1940.09},{"t":2024.958,"v":1937.62},{"t":2025.042,"v":1935.74},{"t":2025.125,"v":1934.39},{"t":2025.208,"v":1934.02},{"t":2025.292,"v":1934.59},{"t":2025.375,"v":1933.16},{"t":2025.458,"v":1929.02},{"t":2025.542,"v":1927.2},{"t":2025.625,"v":1931.4},{"t":2025.708,"v":1939.31},{"t":2025.792,"v":1945.07},{"t":2025.875,"v":1945.42},{"t":2025.958,"v":1942.52},{"t":2026.042,"v":1940.69},{"t":2026.125,"v":1939.38},{"t":2026.208,"v":1936.99},{"t":2026.292,"v":1937.59}]}