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Topics / Planet

How's the planet?

The whole Earth's surface temperature and the greenhouse gases in its air, each from the agency that measures it, read through climatedata.dev. For one city at a time, see the world's capitals.

How warm is the planet?

September 2026 was the 2nd warmest September since 1880

+1.38°CGlobal surface temperature, September 2026, against the 1951–1980 average (NASA GISTEMP)

  • +1.38°C against 1951–1980: the 2nd warmest September of 147 (NASA GISTEMP v4)
  • +1.28°C against 1961–1990 (95% range +1.22 to +1.34°C): the 2nd warmest September of 177 (Met Office HadCRUT5)
  • 2025 averaged +1.19°C, the 2nd warmest of 146 complete years; the warmest were 2024 (+1.28°C), 2025 (+1.19°C), 2023 (+1.17°C)
Every year since 1880, the whole planet2025 averaged +1.19°C against 1951–1980, the 2nd warmest of 146 complete years since 1880.
-0.500.00+0.50+1.00+1.50188019001920194019601980200020201951–1980 average2025: +1.19°C
Indicator: Global land-ocean surface temperature anomaly, annual mean of 12 monthly values, °C, against 1951–1980 (NASA GISTEMP v4)Source: NASA GISS Surface Temperature Analysis (GISTEMP v4) and Met Office Hadley Centre/CRU HadCRUT5 (U.S. public domain and OGL-UK-3.0), via climatedata.dev
Show the numbers (146 rows)
YearAnnual mean
2025+1.19°C
2024+1.28°C
2023+1.17°C
2022+0.89°C
2021+0.85°C
2020+1.00°C
2019+0.98°C
2018+0.85°C
2017+0.91°C
2016+1.01°C
2015+0.90°C
2014+0.75°C
2013+0.67°C
2012+0.65°C
2011+0.61°C
2010+0.72°C
2009+0.66°C
2008+0.54°C
2007+0.67°C
2006+0.64°C
2005+0.68°C
2004+0.53°C
2003+0.62°C
2002+0.63°C
2001+0.53°C
2000+0.39°C
1999+0.38°C
1998+0.61°C
1997+0.47°C
1996+0.33°C
1995+0.45°C
1994+0.31°C
1993+0.23°C
1992+0.22°C
1991+0.41°C
1990+0.45°C
1989+0.27°C
1988+0.39°C
1987+0.32°C
1986+0.18°C
1985+0.12°C
1984+0.15°C
1983+0.32°C
1982+0.14°C
1981+0.32°C
1980+0.26°C
1979+0.16°C
1978+0.07°C
1977+0.18°C
1976-0.10°C
1975-0.01°C
1974-0.07°C
1973+0.16°C
1972+0.01°C
1971-0.08°C
1970+0.03°C
1969+0.05°C
1968-0.08°C
1967-0.02°C
1966-0.06°C
1965-0.11°C
1964-0.20°C
1963+0.05°C
1962+0.03°C
1961+0.06°C
1960-0.03°C
1959+0.03°C
1958+0.06°C
1957+0.05°C
1956-0.19°C
1955-0.14°C
1954-0.13°C
1953+0.08°C
1952+0.01°C
1951-0.07°C
1950-0.17°C
1949-0.11°C
1948-0.11°C
1947-0.03°C
1946-0.07°C
1945+0.09°C
1944+0.20°C
1943+0.09°C
1942+0.06°C
1941+0.18°C
1940+0.12°C
1939-0.02°C
19380.00°C
1937-0.03°C
1936-0.15°C
1935-0.20°C
1934-0.13°C
1933-0.28°C
1932-0.16°C
1931-0.09°C
1930-0.15°C
1929-0.36°C
1928-0.20°C
1927-0.21°C
1926-0.10°C
1925-0.22°C
1924-0.27°C
1923-0.26°C
1922-0.28°C
1921-0.18°C
1920-0.27°C
1919-0.27°C
1918-0.30°C
1917-0.46°C
1916-0.36°C
1915-0.14°C
1914-0.15°C
1913-0.34°C
1912-0.37°C
1911-0.44°C
1910-0.43°C
1909-0.48°C
1908-0.42°C
1907-0.38°C
1906-0.22°C
1905-0.26°C
1904-0.47°C
1903-0.37°C
1902-0.28°C
1901-0.15°C
1900-0.08°C
1899-0.18°C
1898-0.28°C
1897-0.11°C
1896-0.11°C
1895-0.23°C
1894-0.30°C
1893-0.31°C
1892-0.27°C
1891-0.22°C
1890-0.35°C
1889-0.11°C
1888-0.18°C
1887-0.36°C
1886-0.31°C
1885-0.33°C
1884-0.28°C
1883-0.18°C
1882-0.11°C
1881-0.09°C
1880-0.17°C
The last 36 months, with the Met Office's 95% rangeSeptember 2026 was +1.28°C against 1961–1990, with a 95% range of +1.22 to +1.34°C.
+0.80+1.00+1.20+1.40+1.60202420252026
  • 95% range
  • HadCRUT5
Indicator: Global surface temperature anomaly, monthly, °C, against 1961–1990, with the 95% confidence range (Met Office HadCRUT5 analysis)Source: NASA GISS Surface Temperature Analysis (GISTEMP v4) and Met Office Hadley Centre/CRU HadCRUT5 (U.S. public domain and OGL-UK-3.0), via climatedata.dev
Show the numbers (36 rows)
Month95% rangeHadCRUT5
Sep 2026+1.22–+1.34°C+1.28°C
Aug 2026+1.24–+1.37°C+1.30°C
Jul 2026+1.05–+1.17°C+1.11°C
Jun 2026+1.03–+1.14°C+1.08°C
May 2026+0.98–+1.08°C+1.03°C
Apr 2026+1.03–+1.14°C+1.08°C
Mar 2026+1.07–+1.18°C+1.13°C
Feb 2026+1.04–+1.14°C+1.09°C
Jan 2026+0.98–+1.08°C+1.03°C
Dec 2025+0.92–+1.03°C+0.97°C
Nov 2025+1.04–+1.17°C+1.11°C
Oct 2025+1.05–+1.16°C+1.11°C
Sep 2025+1.06–+1.19°C+1.13°C
Aug 2025+0.97–+1.09°C+1.03°C
Jul 2025+0.90–+1.01°C+0.96°C
Jun 2025+0.83–+0.96°C+0.90°C
May 2025+0.91–+1.02°C+0.97°C
Apr 2025+1.06–+1.17°C+1.11°C
Mar 2025+1.15–+1.26°C+1.20°C
Feb 2025+1.07–+1.18°C+1.13°C
Jan 2025+1.22–+1.32°C+1.27°C
Dec 2024+1.07–+1.19°C+1.13°C
Nov 2024+1.17–+1.29°C+1.23°C
Oct 2024+1.16–+1.28°C+1.22°C
Sep 2024+1.10–+1.23°C+1.16°C
Aug 2024+1.17–+1.29°C+1.23°C
Jul 2024+1.09–+1.21°C+1.15°C
Jun 2024+1.05–+1.17°C+1.11°C
May 2024+1.02–+1.13°C+1.07°C
Apr 2024+1.18–+1.28°C+1.23°C
Mar 2024+1.19–+1.30°C+1.25°C
Feb 2024+1.25–+1.35°C+1.30°C
Jan 2024+1.11–+1.22°C+1.16°C
Dec 2023+1.22–+1.33°C+1.27°C
Nov 2023+1.29–+1.41°C+1.35°C
Oct 2023+1.28–+1.40°C+1.34°C

From climatedata.dev global-temperature, version 2026-10-25.aa8f6de1f8, built from NASA GISS Surface Temperature Analysis (GISTEMP v4) and Met Office Hadley Centre/CRU HadCRUT5.

How much carbon dioxide is in the air?

426.1 ppm at Mauna Loa in September 2026, +1.7 ppm from a year before

426.1ppmCarbon dioxide, Mauna Loa, September 2026

  • 426.1 ppm averaged over the marine surface of the globe in July 2026, +2.0 ppm from a year before
  • 315.7 ppm at Mauna Loa in March 1958, the first month on record
Carbon dioxide at Mauna Loa, 1958–2026From 315.7 ppm in March 1958 to 426.1 ppm in September 2026; the zigzag is the yearly cycle of northern plant growth.
300.0325.0350.0375.0400.0425.0450.01960197019801990200020102020
  • Monthly mean
  • Seasonal cycle removed
Indicator: Atmospheric CO₂ mole fraction, monthly mean, ppm, Mauna Loa Observatory (NOAA GML)Source: NOAA Global Monitoring Laboratory, Trends in Atmospheric Carbon Dioxide (U.S. public domain), via climatedata.dev
Show the numbers (823 rows)
MonthMonthly meanSeasonal cycle removed
Sep 2026426.1 ppm429.6 ppm
Aug 2026427.6 ppm429.5 ppm
Jul 2026429.1 ppm428.7 ppm
Jun 2026431.4 ppm429.0 ppm
May 2026432.3 ppm429.1 ppm
Apr 2026431.1 ppm428.6 ppm
Mar 2026430.1 ppm428.7 ppm
Feb 2026429.4 ppm428.4 ppm
Jan 2026428.6 ppm428.3 ppm
Dec 2025427.5 ppm428.2 ppm
Nov 2025426.5 ppm428.4 ppm
Oct 2025424.9 ppm428.1 ppm
Sep 2025424.4 ppm427.9 ppm
Aug 2025425.5 ppm427.4 ppm
Jul 2025427.9 ppm427.5 ppm
Jun 2025429.6 ppm427.2 ppm
May 2025430.5 ppm427.2 ppm
Apr 2025429.6 ppm427.1 ppm
Mar 2025428.1 ppm426.7 ppm
Feb 2025427.1 ppm426.1 ppm
Jan 2025426.6 ppm426.4 ppm
Dec 2024425.4 ppm426.1 ppm
Nov 2024423.9 ppm425.8 ppm
Oct 2024422.4 ppm425.6 ppm
Sep 2024422.0 ppm425.5 ppm
Aug 2024423.0 ppm424.9 ppm
Jul 2024425.6 ppm425.2 ppm
Jun 2024426.9 ppm424.5 ppm
May 2024426.9 ppm423.6 ppm
Apr 2024426.5 ppm424.0 ppm
Mar 2024425.4 ppm423.9 ppm
Feb 2024424.6 ppm423.6 ppm
Jan 2024422.8 ppm422.5 ppm
Dec 2023421.9 ppm422.6 ppm
Nov 2023420.5 ppm422.4 ppm
Oct 2023418.8 ppm422.1 ppm
Sep 2023418.5 ppm422.0 ppm
Aug 2023419.7 ppm421.6 ppm
Jul 2023421.8 ppm421.4 ppm
Jun 2023423.7 ppm421.3 ppm
May 2023424.0 ppm420.7 ppm
Apr 2023423.4 ppm420.8 ppm
Mar 2023421.0 ppm419.5 ppm
Feb 2023420.3 ppm419.3 ppm
Jan 2023419.5 ppm419.2 ppm
Dec 2022419.0 ppm419.8 ppm
Nov 2022417.5 ppm419.5 ppm
Oct 2022415.7 ppm419.0 ppm
Sep 2022415.9 ppm419.3 ppm
Aug 2022417.1 ppm419.0 ppm
Jul 2022418.9 ppm418.4 ppm
Jun 2022420.9 ppm418.5 ppm
May 2022421.0 ppm417.7 ppm
Apr 2022420.2 ppm417.7 ppm
Mar 2022418.8 ppm417.3 ppm
Feb 2022419.2 ppm418.3 ppm
Jan 2022418.1 ppm417.9 ppm
Dec 2021416.7 ppm417.4 ppm
Nov 2021415.0 ppm416.9 ppm
Oct 2021413.9 ppm417.1 ppm
Sep 2021413.3 ppm416.6 ppm
Aug 2021414.4 ppm416.3 ppm
Jul 2021416.9 ppm416.5 ppm
Jun 2021418.9 ppm416.5 ppm
May 2021419.1 ppm415.9 ppm
Apr 2021419.0 ppm416.6 ppm
Mar 2021417.6 ppm416.2 ppm
Feb 2021416.7 ppm415.8 ppm
Jan 2021415.5 ppm415.2 ppm
Dec 2020414.2 ppm414.9 ppm
Nov 2020413.1 ppm415.1 ppm
Oct 2020411.5 ppm414.8 ppm
Sep 2020411.5 ppm414.9 ppm
Aug 2020412.8 ppm414.6 ppm
Jul 2020414.6 ppm414.2 ppm
Jun 2020416.6 ppm414.2 ppm
May 2020417.3 ppm414.0 ppm
Apr 2020416.4 ppm413.9 ppm
Mar 2020414.7 ppm413.4 ppm
Feb 2020414.3 ppm413.4 ppm
Jan 2020413.6 ppm413.2 ppm
Dec 2019412.0 ppm412.7 ppm
Nov 2019410.5 ppm412.5 ppm
Oct 2019408.7 ppm412.1 ppm
Sep 2019408.8 ppm412.3 ppm
Aug 2019410.2 ppm412.1 ppm
Jul 2019412.0 ppm411.6 ppm
Jun 2019414.1 ppm411.7 ppm
May 2019414.9 ppm411.5 ppm
Apr 2019413.5 ppm410.9 ppm
Mar 2019412.2 ppm410.7 ppm
Feb 2019412.0 ppm411.0 ppm
Jan 2019411.0 ppm410.7 ppm
Dec 2018409.3 ppm410.0 ppm
Nov 2018408.2 ppm410.2 ppm
Oct 2018406.2 ppm409.6 ppm
Sep 2018405.7 ppm409.3 ppm
Aug 2018407.2 ppm409.2 ppm
Jul 2018408.9 ppm408.6 ppm
Jun 2018411.0 ppm408.6 ppm
May 2018411.4 ppm408.0 ppm
Apr 2018410.4 ppm407.6 ppm
Mar 2018409.6 ppm408.1 ppm
Feb 2018408.5 ppm407.6 ppm
Jan 2018408.1 ppm407.8 ppm
Dec 2017407.0 ppm407.7 ppm
Nov 2017405.3 ppm407.4 ppm
Oct 2017403.8 ppm407.2 ppm
Sep 2017403.6 ppm407.2 ppm
Aug 2017405.3 ppm407.3 ppm
Jul 2017407.3 ppm407.0 ppm
Jun 2017409.1 ppm406.7 ppm
May 2017409.9 ppm406.4 ppm
Apr 2017409.2 ppm406.4 ppm
Mar 2017407.5 ppm406.1 ppm
Feb 2017406.7 ppm405.8 ppm
Jan 2017406.4 ppm406.0 ppm
Dec 2016404.6 ppm405.3 ppm
Nov 2016403.7 ppm405.7 ppm
Oct 2016401.8 ppm405.2 ppm
Sep 2016401.2 ppm404.9 ppm
Aug 2016402.4 ppm404.4 ppm
Jul 2016404.6 ppm404.2 ppm
Jun 2016407.0 ppm404.6 ppm
May 2016407.9 ppm404.4 ppm
Apr 2016407.6 ppm404.8 ppm
Mar 2016405.1 ppm403.5 ppm
Feb 2016404.3 ppm403.4 ppm
Jan 2016402.7 ppm402.4 ppm
Dec 2015402.1 ppm402.7 ppm
Nov 2015400.3 ppm402.2 ppm
Oct 2015398.5 ppm401.9 ppm
Sep 2015397.8 ppm401.4 ppm
Aug 2015399.1 ppm401.0 ppm
Jul 2015401.5 ppm401.1 ppm
Jun 2015403.0 ppm400.6 ppm
May 2015404.1 ppm400.7 ppm
Apr 2015403.4 ppm400.5 ppm
Mar 2015401.7 ppm400.2 ppm
Feb 2015400.6 ppm399.8 ppm
Jan 2015400.2 ppm399.9 ppm
Dec 2014399.1 ppm399.8 ppm
Nov 2014397.4 ppm399.5 ppm
Oct 2014396.2 ppm399.6 ppm
Sep 2014395.5 ppm399.1 ppm
Aug 2014397.2 ppm399.1 ppm
Jul 2014399.3 ppm398.9 ppm
Jun 2014401.4 ppm399.1 ppm
May 2014402.0 ppm398.6 ppm
Apr 2014401.5 ppm398.6 ppm
Mar 2014399.9 ppm398.4 ppm
Feb 2014398.3 ppm397.4 ppm
Jan 2014398.0 ppm397.7 ppm
Dec 2013397.0 ppm397.8 ppm
Nov 2013395.4 ppm397.4 ppm
Oct 2013393.9 ppm397.3 ppm
Sep 2013393.7 ppm397.2 ppm
Aug 2013395.4 ppm397.3 ppm
Jul 2013397.5 ppm397.1 ppm
Jun 2013398.8 ppm396.5 ppm
May 2013400.0 ppm396.6 ppm
Apr 2013398.6 ppm395.8 ppm
Mar 2013397.7 ppm396.1 ppm
Feb 2013397.0 ppm396.2 ppm
Jan 2013395.8 ppm395.6 ppm
Dec 2012394.6 ppm395.3 ppm
Nov 2012393.2 ppm395.3 ppm
Oct 2012391.3 ppm394.6 ppm
Sep 2012391.3 ppm394.8 ppm
Aug 2012392.6 ppm394.4 ppm
Jul 2012394.6 ppm394.1 ppm
Jun 2012395.9 ppm393.6 ppm
May 2012396.9 ppm393.7 ppm
Apr 2012396.4 ppm393.6 ppm
Mar 2012394.6 ppm393.0 ppm
Feb 2012394.0 ppm393.2 ppm
Jan 2012393.3 ppm393.1 ppm
Dec 2011392.1 ppm392.9 ppm
Nov 2011390.5 ppm392.6 ppm
Oct 2011389.2 ppm392.5 ppm
Sep 2011389.3 ppm392.6 ppm
Aug 2011390.3 ppm392.0 ppm
Jul 2011392.7 ppm392.2 ppm
Jun 2011393.9 ppm391.6 ppm
May 2011394.4 ppm391.2 ppm
Apr 2011393.4 ppm390.8 ppm
Mar 2011392.8 ppm391.3 ppm
Feb 2011392.1 ppm391.1 ppm
Jan 2011391.5 ppm391.2 ppm
Dec 2010390.0 ppm390.8 ppm
Nov 2010388.9 ppm391.0 ppm
Oct 2010387.4 ppm390.7 ppm
Sep 2010387.0 ppm390.3 ppm
Aug 2010388.5 ppm390.2 ppm
Jul 2010390.4 ppm389.9 ppm
Jun 2010392.4 ppm390.1 ppm
May 2010393.2 ppm390.1 ppm
Apr 2010392.7 ppm390.1 ppm
Mar 2010391.4 ppm389.9 ppm
Feb 2010390.4 ppm389.5 ppm
Jan 2010388.9 ppm388.6 ppm
Dec 2009387.6 ppm388.4 ppm
Nov 2009386.2 ppm388.4 ppm
Oct 2009384.6 ppm387.9 ppm
Sep 2009384.9 ppm388.2 ppm
Aug 2009386.3 ppm388.0 ppm
Jul 2009388.2 ppm387.8 ppm
Jun 2009389.7 ppm387.5 ppm
May 2009390.4 ppm387.2 ppm
Apr 2009389.8 ppm387.1 ppm
Mar 2009389.0 ppm387.5 ppm
Feb 2009387.7 ppm386.8 ppm
Jan 2009387.2 ppm386.9 ppm
Dec 2008385.8 ppm386.6 ppm
Nov 2008384.4 ppm386.6 ppm
Oct 2008383.2 ppm386.5 ppm
Sep 2008383.4 ppm386.7 ppm
Aug 2008384.3 ppm386.0 ppm
Jul 2008386.6 ppm386.1 ppm
Jun 2008388.0 ppm385.7 ppm
May 2008388.8 ppm385.7 ppm
Apr 2008387.3 ppm384.7 ppm
Mar 2008386.3 ppm384.7 ppm
Feb 2008386.1 ppm385.2 ppm
Jan 2008385.8 ppm385.5 ppm
Dec 2007384.2 ppm385.1 ppm
Nov 2007382.7 ppm384.9 ppm
Oct 2007381.4 ppm384.7 ppm
Sep 2007381.2 ppm384.6 ppm
Aug 2007382.2 ppm383.9 ppm
Jul 2007384.7 ppm384.3 ppm
Jun 2007386.3 ppm384.1 ppm
May 2007386.8 ppm383.6 ppm
Apr 2007386.7 ppm383.9 ppm
Mar 2007384.8 ppm383.2 ppm
Feb 2007384.1 ppm383.2 ppm
Jan 2007383.1 ppm382.9 ppm
Dec 2006382.0 ppm382.8 ppm
Nov 2006380.4 ppm382.5 ppm
Oct 2006379.3 ppm382.7 ppm
Sep 2006379.0 ppm382.4 ppm
Aug 2006380.6 ppm382.3 ppm
Jul 2006382.6 ppm382.1 ppm
Jun 2006384.2 ppm381.9 ppm
May 2006385.2 ppm382.1 ppm
Apr 2006384.8 ppm382.1 ppm
Mar 2006382.9 ppm381.3 ppm
Feb 2006382.4 ppm381.6 ppm
Jan 2006381.6 ppm381.3 ppm
Dec 2005380.3 ppm381.1 ppm
Nov 2005378.5 ppm380.7 ppm
Oct 2005377.2 ppm380.5 ppm
Sep 2005376.9 ppm380.2 ppm
Aug 2005378.9 ppm380.6 ppm
Jul 2005380.9 ppm380.4 ppm
Jun 2005382.4 ppm380.1 ppm
May 2005382.6 ppm379.5 ppm
Apr 2005382.5 ppm379.8 ppm
Mar 2005380.9 ppm379.4 ppm
Feb 2005379.9 ppm379.1 ppm
Jan 2005378.6 ppm378.4 ppm
Dec 2004377.7 ppm378.5 ppm
Nov 2004376.3 ppm378.5 ppm
Oct 2004374.6 ppm378.0 ppm
Sep 2004374.4 ppm377.8 ppm
Aug 2004376.2 ppm377.9 ppm
Jul 2004377.6 ppm377.1 ppm
Jun 2004379.9 ppm377.6 ppm
May 2004380.8 ppm377.7 ppm
Apr 2004380.5 ppm377.8 ppm
Mar 2004379.1 ppm377.4 ppm
Feb 2004378.1 ppm377.2 ppm
Jan 2004377.2 ppm377.0 ppm
Dec 2003376.2 ppm376.9 ppm
Nov 2003374.8 ppm377.0 ppm
Oct 2003373.3 ppm376.6 ppm
Sep 2003373.3 ppm376.6 ppm
Aug 2003374.6 ppm376.3 ppm
Jul 2003376.9 ppm376.4 ppm
Jun 2003378.5 ppm376.2 ppm
May 2003378.8 ppm375.7 ppm
Apr 2003377.9 ppm375.2 ppm
Mar 2003376.6 ppm375.0 ppm
Feb 2003375.8 ppm374.9 ppm
Jan 2003375.1 ppm374.8 ppm
Dec 2002374.0 ppm374.7 ppm
Nov 2002372.4 ppm374.5 ppm
Oct 2002370.7 ppm374.1 ppm
Sep 2002370.9 ppm374.3 ppm
Aug 2002372.0 ppm373.7 ppm
Jul 2002374.2 ppm373.6 ppm
Jun 2002375.7 ppm373.5 ppm
May 2002375.9 ppm373.0 ppm
Apr 2002375.2 ppm372.5 ppm
Mar 2002374.3 ppm372.6 ppm
Feb 2002373.4 ppm372.5 ppm
Jan 2002372.7 ppm372.5 ppm
Dec 2001371.4 ppm372.1 ppm
Nov 2001369.9 ppm371.9 ppm
Oct 2001368.6 ppm371.9 ppm
Sep 2001368.3 ppm371.6 ppm
Aug 2001369.8 ppm371.4 ppm
Jul 2001371.7 ppm371.1 ppm
Jun 2001373.4 ppm371.2 ppm
May 2001374.0 ppm371.1 ppm
Apr 2001373.6 ppm371.0 ppm
Mar 2001372.6 ppm371.1 ppm
Feb 2001371.7 ppm370.9 ppm
Jan 2001370.8 ppm370.6 ppm
Dec 2000369.8 ppm370.5 ppm
Nov 2000368.5 ppm370.5 ppm
Oct 2000367.2 ppm370.4 ppm
Sep 2000367.1 ppm370.5 ppm
Aug 2000368.3 ppm369.9 ppm
Jul 2000370.0 ppm369.4 ppm
Jun 2000371.9 ppm369.7 ppm
May 2000371.8 ppm368.9 ppm
Apr 2000372.0 ppm369.4 ppm
Mar 2000370.8 ppm369.2 ppm
Feb 2000369.7 ppm369.0 ppm
Jan 2000369.4 ppm369.2 ppm
Dec 1999368.3 ppm368.9 ppm
Nov 1999366.9 ppm368.9 ppm
Oct 1999365.5 ppm368.8 ppm
Sep 1999364.9 ppm368.3 ppm
Aug 1999367.1 ppm368.6 ppm
Jul 1999369.6 ppm368.9 ppm
Jun 1999370.5 ppm368.3 ppm
May 1999371.1 ppm368.3 ppm
Apr 1999371.1 ppm368.6 ppm
Mar 1999369.8 ppm368.2 ppm
Feb 1999369.3 ppm368.5 ppm
Jan 1999368.4 ppm368.1 ppm
Dec 1998367.3 ppm368.1 ppm
Nov 1998365.7 ppm367.7 ppm
Oct 1998364.5 ppm367.8 ppm
Sep 1998364.2 ppm367.5 ppm
Aug 1998366.1 ppm367.7 ppm
Jul 1998368.0 ppm367.3 ppm
Jun 1998369.1 ppm366.9 ppm
May 1998369.6 ppm366.7 ppm
Apr 1998368.8 ppm366.2 ppm
Mar 1998367.4 ppm365.7 ppm
Feb 1998366.1 ppm365.3 ppm
Jan 1998365.4 ppm365.2 ppm
Dec 1997364.5 ppm365.3 ppm
Nov 1997362.6 ppm364.7 ppm
Oct 1997361.0 ppm364.3 ppm
Sep 1997360.4 ppm363.8 ppm
Aug 1997362.4 ppm364.0 ppm
Jul 1997364.5 ppm363.7 ppm
Jun 1997365.7 ppm363.6 ppm
May 1997366.8 ppm363.9 ppm
Apr 1997366.5 ppm363.8 ppm
Mar 1997364.6 ppm363.0 ppm
Feb 1997364.2 ppm363.4 ppm
Jan 1997363.2 ppm363.0 ppm
Dec 1996362.4 ppm363.2 ppm
Nov 1996361.0 ppm363.2 ppm
Oct 1996359.7 ppm363.1 ppm
Sep 1996359.7 ppm363.1 ppm
Aug 1996361.6 ppm363.1 ppm
Jul 1996363.7 ppm363.0 ppm
Jun 1996365.1 ppm362.8 ppm
May 1996365.3 ppm362.2 ppm
Apr 1996364.7 ppm362.0 ppm
Mar 1996364.3 ppm362.6 ppm
Feb 1996363.4 ppm362.5 ppm
Jan 1996362.2 ppm362.0 ppm
Dec 1995360.8 ppm361.7 ppm
Nov 1995359.6 ppm361.8 ppm
Oct 1995358.1 ppm361.5 ppm
Sep 1995358.3 ppm361.7 ppm
Aug 1995359.3 ppm360.9 ppm
Jul 1995361.8 ppm361.1 ppm
Jun 1995363.3 ppm361.0 ppm
May 1995363.8 ppm360.7 ppm
Apr 1995363.4 ppm360.8 ppm
Mar 1995362.0 ppm360.4 ppm
Feb 1995361.0 ppm360.2 ppm
Jan 1995360.0 ppm359.9 ppm
Dec 1994359.1 ppm360.0 ppm
Nov 1994357.6 ppm359.8 ppm
Oct 1994356.2 ppm359.6 ppm
Sep 1994355.9 ppm359.3 ppm
Aug 1994357.6 ppm359.3 ppm
Jul 1994359.5 ppm358.9 ppm
Jun 1994360.9 ppm358.6 ppm
May 1994361.8 ppm358.6 ppm
Apr 1994361.4 ppm358.6 ppm
Mar 1994360.1 ppm358.4 ppm
Feb 1994359.0 ppm358.2 ppm
Jan 1994358.4 ppm358.3 ppm
Dec 1993357.0 ppm357.9 ppm
Nov 1993355.5 ppm357.6 ppm
Oct 1993354.2 ppm357.6 ppm
Sep 1993354.1 ppm357.5 ppm
Aug 1993355.8 ppm357.4 ppm
Jul 1993357.4 ppm356.9 ppm
Jun 1993359.6 ppm357.2 ppm
May 1993360.3 ppm357.1 ppm
Apr 1993359.4 ppm356.7 ppm
Mar 1993358.6 ppm356.9 ppm
Feb 1993357.4 ppm356.5 ppm
Jan 1993357.1 ppm357.1 ppm
Dec 1992355.7 ppm356.5 ppm
Nov 1992354.4 ppm356.5 ppm
Oct 1992353.4 ppm356.7 ppm
Sep 1992353.0 ppm356.4 ppm
Aug 1992355.0 ppm356.7 ppm
Jul 1992357.1 ppm356.6 ppm
Jun 1992359.4 ppm357.1 ppm
May 1992359.7 ppm356.5 ppm
Apr 1992359.2 ppm356.5 ppm
Mar 1992358.0 ppm356.4 ppm
Feb 1992357.2 ppm356.5 ppm
Jan 1992356.3 ppm356.3 ppm
Dec 1991355.2 ppm356.0 ppm
Nov 1991353.9 ppm355.9 ppm
Oct 1991352.4 ppm355.7 ppm
Sep 1991352.3 ppm355.7 ppm
Aug 1991354.0 ppm355.6 ppm
Jul 1991356.3 ppm355.7 ppm
Jun 1991358.2 ppm355.9 ppm
May 1991359.2 ppm356.1 ppm
Apr 1991358.8 ppm356.1 ppm
Mar 1991357.3 ppm355.8 ppm
Feb 1991355.8 ppm355.1 ppm
Jan 1991354.9 ppm354.9 ppm
Dec 1990354.4 ppm355.3 ppm
Nov 1990353.1 ppm355.2 ppm
Oct 1990351.7 ppm354.9 ppm
Sep 1990351.4 ppm354.7 ppm
Aug 1990353.1 ppm354.7 ppm
Jul 1990354.9 ppm354.2 ppm
Jun 1990356.4 ppm354.0 ppm
May 1990357.4 ppm354.2 ppm
Apr 1990356.4 ppm353.8 ppm
Mar 1990355.8 ppm354.3 ppm
Feb 1990355.1 ppm354.4 ppm
Jan 1990353.9 ppm353.8 ppm
Dec 1989352.9 ppm353.8 ppm
Nov 1989351.6 ppm353.7 ppm
Oct 1989350.3 ppm353.6 ppm
Sep 1989350.1 ppm353.4 ppm
Aug 1989351.8 ppm353.4 ppm
Jul 1989354.1 ppm353.4 ppm
Jun 1989355.4 ppm353.1 ppm
May 1989355.9 ppm352.8 ppm
Apr 1989355.7 ppm353.1 ppm
Mar 1989354.1 ppm352.6 ppm
Feb 1989353.4 ppm352.7 ppm
Jan 1989353.1 ppm353.0 ppm
Dec 1988351.6 ppm352.5 ppm
Nov 1988350.4 ppm352.5 ppm
Oct 1988349.4 ppm352.6 ppm
Sep 1988349.0 ppm352.2 ppm
Aug 1988350.5 ppm352.0 ppm
Jul 1988352.8 ppm352.2 ppm
Jun 1988353.9 ppm351.6 ppm
May 1988354.4 ppm351.2 ppm
Apr 1988353.7 ppm351.0 ppm
Mar 1988352.5 ppm351.0 ppm
Feb 1988351.7 ppm351.0 ppm
Jan 1988350.5 ppm350.5 ppm
Dec 1987349.3 ppm350.1 ppm
Nov 1987348.1 ppm350.1 ppm
Oct 1987346.7 ppm350.0 ppm
Sep 1987346.7 ppm349.9 ppm
Aug 1987348.2 ppm349.6 ppm
Jul 1987350.2 ppm349.5 ppm
Jun 1987351.6 ppm349.3 ppm
May 1987352.1 ppm349.1 ppm
Apr 1987351.4 ppm348.8 ppm
Mar 1987349.8 ppm348.4 ppm
Feb 1987348.9 ppm348.2 ppm
Jan 1987348.7 ppm348.7 ppm
Dec 1986347.5 ppm348.4 ppm
Nov 1986346.2 ppm348.3 ppm
Oct 1986344.8 ppm348.0 ppm
Sep 1986345.5 ppm348.6 ppm
Aug 1986346.2 ppm347.5 ppm
Jul 1986348.3 ppm347.4 ppm
Jun 1986350.0 ppm347.6 ppm
May 1986350.5 ppm347.4 ppm
Apr 1986349.9 ppm347.3 ppm
Mar 1986348.3 ppm346.9 ppm
Feb 1986347.5 ppm347.0 ppm
Jan 1986346.8 ppm346.8 ppm
Dec 1985346.1 ppm347.0 ppm
Nov 1985344.7 ppm346.8 ppm
Oct 1985343.4 ppm346.6 ppm
Sep 1985343.5 ppm346.6 ppm
Aug 1985345.3 ppm346.6 ppm
Jul 1985346.9 ppm346.1 ppm
Jun 1985348.6 ppm346.2 ppm
May 1985349.3 ppm346.1 ppm
Apr 1985348.7 ppm346.1 ppm
Mar 1985347.9 ppm346.6 ppm
Feb 1985346.4 ppm345.9 ppm
Jan 1985345.5 ppm345.6 ppm
Dec 1984345.0 ppm345.9 ppm
Nov 1984343.3 ppm345.4 ppm
Oct 1984341.9 ppm345.2 ppm
Sep 1984341.6 ppm344.8 ppm
Aug 1984343.7 ppm345.1 ppm
Jul 1984345.8 ppm345.0 ppm
Jun 1984347.2 ppm344.7 ppm
May 1984347.8 ppm344.6 ppm
Apr 1984347.4 ppm344.8 ppm
Mar 1984345.7 ppm344.3 ppm
Feb 1984344.9 ppm344.4 ppm
Jan 1984344.2 ppm344.3 ppm
Dec 1983343.2 ppm344.1 ppm
Nov 1983341.8 ppm343.9 ppm
Oct 1983340.5 ppm343.9 ppm
Sep 1983340.5 ppm343.6 ppm
Aug 1983342.5 ppm343.9 ppm
Jul 1983344.3 ppm343.6 ppm
Jun 1983345.8 ppm343.3 ppm
May 1983346.1 ppm343.0 ppm
Apr 1983345.4 ppm342.8 ppm
Mar 1983343.4 ppm341.9 ppm
Feb 1983342.8 ppm342.3 ppm
Jan 1983341.6 ppm341.8 ppm
Dec 1982340.8 ppm341.7 ppm
Nov 1982339.4 ppm341.6 ppm
Oct 1982338.4 ppm341.8 ppm
Sep 1982338.4 ppm341.6 ppm
Aug 1982340.2 ppm341.6 ppm
Jul 1982342.4 ppm341.6 ppm
Jun 1982343.9 ppm341.4 ppm
May 1982344.8 ppm341.7 ppm
Apr 1982344.0 ppm341.3 ppm
Mar 1982342.8 ppm341.2 ppm
Feb 1982341.8 ppm341.2 ppm
Jan 1982340.9 ppm341.1 ppm
Dec 1981339.9 ppm340.9 ppm
Nov 1981338.6 ppm340.8 ppm
Oct 1981337.1 ppm340.4 ppm
Sep 1981336.9 ppm340.2 ppm
Aug 1981338.5 ppm339.9 ppm
Jul 1981340.8 ppm339.9 ppm
Jun 1981342.5 ppm340.1 ppm
May 1981343.0 ppm340.0 ppm
Apr 1981342.6 ppm340.0 ppm
Mar 1981341.6 ppm340.1 ppm
Feb 1981340.6 ppm340.0 ppm
Jan 1981339.3 ppm339.4 ppm
Dec 1980338.3 ppm339.3 ppm
Nov 1980337.3 ppm339.5 ppm
Oct 1980336.1 ppm339.4 ppm
Sep 1980336.3 ppm339.4 ppm
Aug 1980337.7 ppm339.1 ppm
Jul 1980339.4 ppm338.6 ppm
Jun 1980341.4 ppm338.9 ppm
May 1980341.4 ppm338.4 ppm
Apr 1980340.9 ppm338.3 ppm
Mar 1980340.1 ppm338.5 ppm
Feb 1980338.3 ppm337.9 ppm
Jan 1980337.9 ppm338.1 ppm
Dec 1979336.8 ppm337.8 ppm
Nov 1979335.3 ppm337.6 ppm
Oct 1979334.2 ppm337.6 ppm
Sep 1979334.0 ppm337.2 ppm
Aug 1979335.7 ppm337.2 ppm
Jul 1979337.5 ppm336.7 ppm
Jun 1979339.3 ppm336.8 ppm
May 1979339.2 ppm336.2 ppm
Apr 1979338.8 ppm336.1 ppm
Mar 1979338.3 ppm336.6 ppm
Feb 1979336.7 ppm336.0 ppm
Jan 1979336.1 ppm336.2 ppm
Dec 1978334.9 ppm335.9 ppm
Nov 1978333.8 ppm336.0 ppm
Oct 1978332.4 ppm335.7 ppm
Sep 1978332.4 ppm335.5 ppm
Aug 1978334.4 ppm335.9 ppm
Jul 1978336.5 ppm335.6 ppm
Jun 1978338.0 ppm335.6 ppm
May 1978338.0 ppm335.1 ppm
Apr 1978337.7 ppm335.1 ppm
Mar 1978336.7 ppm335.0 ppm
Feb 1978335.3 ppm334.6 ppm
Jan 1978334.9 ppm335.0 ppm
Dec 1977333.6 ppm334.6 ppm
Nov 1977332.5 ppm334.7 ppm
Oct 1977331.3 ppm334.5 ppm
Sep 1977331.3 ppm334.4 ppm
Aug 1977332.6 ppm333.9 ppm
Jul 1977334.9 ppm334.0 ppm
Jun 1977336.2 ppm333.8 ppm
May 1977336.9 ppm334.0 ppm
Apr 1977336.1 ppm333.5 ppm
Mar 1977335.0 ppm333.4 ppm
Feb 1977333.2 ppm332.6 ppm
Jan 1977332.7 ppm332.8 ppm
Dec 1976331.6 ppm332.6 ppm
Nov 1976330.2 ppm332.4 ppm
Oct 1976328.7 ppm332.0 ppm
Sep 1976329.0 ppm332.1 ppm
Aug 1976330.7 ppm332.1 ppm
Jul 1976333.1 ppm332.2 ppm
Jun 1976334.0 ppm331.6 ppm
May 1976334.7 ppm331.8 ppm
Apr 1976334.7 ppm332.2 ppm
Mar 1976333.4 ppm331.8 ppm
Feb 1976332.7 ppm332.1 ppm
Jan 1976331.6 ppm331.7 ppm
Dec 1975330.8 ppm331.7 ppm
Nov 1975329.4 ppm331.6 ppm
Oct 1975328.4 ppm331.6 ppm
Sep 1975328.5 ppm331.6 ppm
Aug 1975329.9 ppm331.3 ppm
Jul 1975332.0 ppm331.1 ppm
Jun 1975333.4 ppm331.0 ppm
May 1975333.9 ppm331.0 ppm
Apr 1975333.1 ppm330.5 ppm
Mar 1975331.9 ppm330.4 ppm
Feb 1975331.5 ppm330.9 ppm
Jan 1975330.7 ppm330.8 ppm
Dec 1974329.6 ppm330.6 ppm
Nov 1974328.3 ppm330.5 ppm
Oct 1974327.3 ppm330.5 ppm
Sep 1974327.3 ppm330.4 ppm
Aug 1974329.1 ppm330.5 ppm
Jul 1974331.1 ppm330.2 ppm
Jun 1974332.2 ppm329.8 ppm
May 1974333.2 ppm330.2 ppm
Apr 1974332.6 ppm330.2 ppm
Mar 1974331.5 ppm330.1 ppm
Feb 1974330.7 ppm330.0 ppm
Jan 1974329.4 ppm329.3 ppm
Dec 1973328.6 ppm329.4 ppm
Nov 1973328.2 ppm330.1 ppm
Oct 1973327.2 ppm330.3 ppm
Sep 1973327.5 ppm330.6 ppm
Aug 1973329.3 ppm330.7 ppm
Jul 1973330.9 ppm330.2 ppm
Jun 1973332.1 ppm329.8 ppm
May 1973332.5 ppm329.5 ppm
Apr 1973331.5 ppm329.1 ppm
Mar 1973330.3 ppm329.0 ppm
Feb 1973329.6 ppm328.9 ppm
Jan 1973328.6 ppm328.5 ppm
Dec 1972327.6 ppm328.4 ppm
Nov 1972326.5 ppm328.5 ppm
Oct 1972325.2 ppm328.3 ppm
Sep 1972324.8 ppm327.9 ppm
Aug 1972326.3 ppm327.7 ppm
Jul 1972328.0 ppm327.4 ppm
Jun 1972329.1 ppm326.9 ppm
May 1972330.1 ppm327.1 ppm
Apr 1972329.7 ppm327.3 ppm
Mar 1972327.8 ppm326.4 ppm
Feb 1972327.6 ppm327.0 ppm
Jan 1972326.8 ppm326.7 ppm
Dec 1971326.0 ppm326.8 ppm
Nov 1971324.8 ppm326.8 ppm
Oct 1971323.6 ppm326.7 ppm
Sep 1971323.4 ppm326.4 ppm
Aug 1971325.4 ppm326.8 ppm
Jul 1971327.4 ppm326.7 ppm
Jun 1971328.6 ppm326.3 ppm
May 1971328.9 ppm326.0 ppm
Apr 1971327.8 ppm325.4 ppm
Mar 1971327.2 ppm325.9 ppm
Feb 1971326.7 ppm326.0 ppm
Jan 1971326.2 ppm326.1 ppm
Dec 1970325.1 ppm325.9 ppm
Nov 1970324.0 ppm326.0 ppm
Oct 1970323.1 ppm326.2 ppm
Sep 1970323.1 ppm326.1 ppm
Aug 1970324.7 ppm326.0 ppm
Jul 1970326.3 ppm325.6 ppm
Jun 1970327.7 ppm325.4 ppm
May 1970328.1 ppm325.1 ppm
Apr 1970328.1 ppm325.8 ppm
Mar 1970326.9 ppm325.6 ppm
Feb 1970326.0 ppm325.3 ppm
Jan 1970325.1 ppm325.0 ppm
Dec 1969324.1 ppm324.9 ppm
Nov 1969322.9 ppm324.8 ppm
Oct 1969321.8 ppm324.9 ppm
Sep 1969322.4 ppm325.4 ppm
Aug 1969323.7 ppm325.0 ppm
Jul 1969325.9 ppm325.2 ppm
Jun 1969326.7 ppm324.5 ppm
May 1969327.4 ppm324.5 ppm
Apr 1969326.7 ppm324.3 ppm
Mar 1969325.6 ppm324.3 ppm
Feb 1969324.4 ppm323.8 ppm
Jan 1969324.0 ppm323.9 ppm
Dec 1968322.9 ppm323.7 ppm
Nov 1968321.3 ppm323.3 ppm
Oct 1968320.3 ppm323.3 ppm
Sep 1968320.3 ppm323.3 ppm
Aug 1968322.1 ppm323.5 ppm
Jul 1968324.1 ppm323.5 ppm
Jun 1968325.4 ppm323.2 ppm
May 1968325.6 ppm322.7 ppm
Apr 1968325.0 ppm322.6 ppm
Mar 1968323.9 ppm322.6 ppm
Feb 1968323.1 ppm322.5 ppm
Jan 1968322.6 ppm322.5 ppm
Dec 1967322.0 ppm322.7 ppm
Nov 1967320.7 ppm322.7 ppm
Oct 1967319.4 ppm322.5 ppm
Sep 1967319.3 ppm322.2 ppm
Aug 1967320.9 ppm322.2 ppm
Jul 1967322.5 ppm321.9 ppm
Jun 1967324.1 ppm321.9 ppm
May 1967325.0 ppm322.1 ppm
Apr 1967324.4 ppm322.1 ppm
Mar 1967323.0 ppm321.7 ppm
Feb 1967322.5 ppm321.8 ppm
Jan 1967322.3 ppm322.3 ppm
Dec 1966321.0 ppm321.8 ppm
Nov 1966319.8 ppm321.7 ppm
Oct 1966318.1 ppm321.2 ppm
Sep 1966318.6 ppm321.6 ppm
Aug 1966320.4 ppm321.7 ppm
Jul 1966322.4 ppm321.7 ppm
Jun 1966323.8 ppm321.6 ppm
May 1966324.1 ppm321.2 ppm
Apr 1966323.7 ppm321.3 ppm
Mar 1966322.4 ppm321.1 ppm
Feb 1966321.6 ppm320.9 ppm
Jan 1966320.6 ppm320.6 ppm
Dec 1965319.4 ppm320.2 ppm
Nov 1965318.9 ppm320.8 ppm
Oct 1965317.3 ppm320.4 ppm
Sep 1965317.8 ppm320.8 ppm
Aug 1965318.9 ppm320.2 ppm
Jul 1965321.2 ppm320.5 ppm
Jun 1965321.9 ppm319.7 ppm
May 1965322.2 ppm319.3 ppm
Apr 1965322.1 ppm319.8 ppm
Mar 1965320.9 ppm319.6 ppm
Feb 1965320.4 ppm319.8 ppm
Jan 1965319.4 ppm319.4 ppm
Dec 1964318.7 ppm319.5 ppm
Nov 1964317.7 ppm319.6 ppm
Oct 1964316.9 ppm319.9 ppm
Sep 1964316.7 ppm319.7 ppm
Aug 1964318.7 ppm320.0 ppm
Jul 1964320.4 ppm319.8 ppm
Jun 1964321.9 ppm319.7 ppm
May 1964322.3 ppm319.4 ppm
Apr 1964321.8 ppm319.5 ppm
Mar 1964320.8 ppm319.4 ppm
Feb 1964320.0 ppm319.4 ppm
Jan 1964319.6 ppm319.5 ppm
Dec 1963318.4 ppm319.1 ppm
Nov 1963317.1 ppm319.0 ppm
Oct 1963316.0 ppm319.0 ppm
Sep 1963316.2 ppm319.2 ppm
Aug 1963317.8 ppm319.1 ppm
Jul 1963319.7 ppm319.1 ppm
Jun 1963321.5 ppm319.3 ppm
May 1963322.2 ppm319.4 ppm
Apr 1963321.4 ppm319.1 ppm
Mar 1963319.9 ppm318.6 ppm
Feb 1963319.1 ppm318.4 ppm
Jan 1963318.7 ppm318.7 ppm
Dec 1962317.7 ppm318.5 ppm
Nov 1962316.7 ppm318.6 ppm
Oct 1962315.4 ppm318.5 ppm
Sep 1962316.2 ppm319.2 ppm
Aug 1962317.4 ppm318.7 ppm
Jul 1962319.6 ppm318.9 ppm
Jun 1962320.6 ppm318.4 ppm
May 1962321.0 ppm318.2 ppm
Apr 1962320.6 ppm318.2 ppm
Mar 1962319.7 ppm318.4 ppm
Feb 1962318.6 ppm317.9 ppm
Jan 1962317.9 ppm317.9 ppm
Dec 1961317.0 ppm317.8 ppm
Nov 1961316.1 ppm318.0 ppm
Oct 1961315.3 ppm318.3 ppm
Sep 1961315.0 ppm317.9 ppm
Aug 1961316.8 ppm318.1 ppm
Jul 1961318.6 ppm317.9 ppm
Jun 1961319.8 ppm317.6 ppm
May 1961320.6 ppm317.7 ppm
Apr 1961319.5 ppm317.2 ppm
Mar 1961318.5 ppm317.3 ppm
Feb 1961317.7 ppm317.1 ppm
Jan 1961316.9 ppm316.8 ppm
Dec 1960316.2 ppm317.0 ppm
Nov 1960315.0 ppm316.9 ppm
Oct 1960313.8 ppm316.9 ppm
Sep 1960314.2 ppm317.1 ppm
Aug 1960315.9 ppm317.2 ppm
Jul 1960318.2 ppm317.5 ppm
Jun 1960319.6 ppm317.4 ppm
May 1960320.0 ppm317.2 ppm
Apr 1960319.0 ppm316.7 ppm
Mar 1960317.6 ppm316.3 ppm
Feb 1960317.0 ppm316.3 ppm
Jan 1960316.4 ppm316.4 ppm
Dec 1959315.6 ppm316.4 ppm
Nov 1959314.8 ppm316.7 ppm
Oct 1959313.3 ppm316.3 ppm
Sep 1959313.8 ppm316.8 ppm
Aug 1959314.8 ppm316.1 ppm
Jul 1959316.5 ppm315.9 ppm
Jun 1959318.1 ppm316.0 ppm
May 1959318.3 ppm315.5 ppm
Apr 1959317.7 ppm315.4 ppm
Mar 1959316.6 ppm315.4 ppm
Feb 1959316.5 ppm315.8 ppm
Jan 1959315.6 ppm315.5 ppm
Dec 1958314.7 ppm315.4 ppm
Nov 1958313.3 ppm315.2 ppm
Oct 1958312.4 ppm315.4 ppm
Sep 1958313.2 ppm316.1 ppm
Aug 1958314.9 ppm316.2 ppm
Jul 1958315.9 ppm315.2 ppm
Jun 1958317.3 ppm315.1 ppm
May 1958317.5 ppm314.7 ppm
Apr 1958317.4 ppm315.2 ppm
Mar 1958315.7 ppm314.4 ppm

From climatedata.dev co2-monthly, version 2026-10-25.d0afea5995, built from NOAA Global Monitoring Laboratory, Trends in Atmospheric Carbon Dioxide.

And methane and nitrous oxide?

Methane 1934.6 ppb and nitrous oxide 339.9 ppb in June 2026

1,934.6ppbMethane, global mean, June 2026

  • Methane +5.4 ppb from a year before; 1626.0 ppb in July 1983
  • Nitrous oxide +1.18 ppb from a year before; 316.3 ppb in January 2001
Methane, 1983–2026From 1626.0 ppb in July 1983 to 1934.6 ppb in June 2026.
160017001800190020001990200020102020
Indicator: Atmospheric CH₄ mole fraction, global marine-surface monthly mean, ppb (NOAA GML)Source: NOAA Global Monitoring Laboratory, Trends in Atmospheric Methane and Nitrous Oxide (U.S. public domain), via climatedata.dev
Show the numbers (516 rows)
MonthMethane
Jun 20261935 ppb
May 20261940 ppb
Apr 20261938 ppb
Mar 20261937 ppb
Feb 20261939 ppb
Jan 20261941 ppb
Dec 20251943 ppb
Nov 20251946 ppb
Oct 20251945 ppb
Sep 20251939 ppb
Aug 20251932 ppb
Jul 20251927 ppb
Jun 20251929 ppb
May 20251933 ppb
Apr 20251935 ppb
Mar 20251934 ppb
Feb 20251935 ppb
Jan 20251936 ppb
Dec 20241938 ppb
Nov 20241940 ppb
Oct 20241941 ppb
Sep 20241934 ppb
Aug 20241925 ppb
Jul 20241920 ppb
Jun 20241921 ppb
May 20241926 ppb
Apr 20241928 ppb
Mar 20241927 ppb
Feb 20241926 ppb
Jan 20241928 ppb
Dec 20231931 ppb
Nov 20231932 ppb
Oct 20231930 ppb
Sep 20231924 ppb
Aug 20231917 ppb
Jul 20231913 ppb
Jun 20231915 ppb
May 20231919 ppb
Apr 20231920 ppb
Mar 20231919 ppb
Feb 20231919 ppb
Jan 20231920 ppb
Dec 20221922 ppb
Nov 20221922 ppb
Oct 20221920 ppb
Sep 20221915 ppb
Aug 20221908 ppb
Jul 20221904 ppb
Jun 20221905 ppb
May 20221908 ppb
Apr 20221909 ppb
Mar 20221908 ppb
Feb 20221906 ppb
Jan 20221906 ppb
Dec 20211908 ppb
Nov 20211909 ppb
Oct 20211908 ppb
Sep 20211903 ppb
Aug 20211892 ppb
Jul 20211886 ppb
Jun 20211888 ppb
May 20211891 ppb
Apr 20211891 ppb
Mar 20211888 ppb
Feb 20211887 ppb
Jan 20211889 ppb
Dec 20201891 ppb
Nov 20201892 ppb
Oct 20201890 ppb
Sep 20201885 ppb
Aug 20201876 ppb
Jul 20201872 ppb
Jun 20201872 ppb
May 20201874 ppb
Apr 20201876 ppb
Mar 20201874 ppb
Feb 20201872 ppb
Jan 20201873 ppb
Dec 20191875 ppb
Nov 20191876 ppb
Oct 20191876 ppb
Sep 20191871 ppb
Aug 20191863 ppb
Jul 20191858 ppb
Jun 20191859 ppb
May 20191862 ppb
Apr 20191865 ppb
Mar 20191866 ppb
Feb 20191865 ppb
Jan 20191865 ppb
Dec 20181866 ppb
Nov 20181866 ppb
Oct 20181866 ppb
Sep 20181860 ppb
Aug 20181852 ppb
Jul 20181849 ppb
Jun 20181852 ppb
May 20181855 ppb
Apr 20181857 ppb
Mar 20181857 ppb
Feb 20181855 ppb
Jan 20181855 ppb
Dec 20171857 ppb
Nov 20171859 ppb
Oct 20171858 ppb
Sep 20171853 ppb
Aug 20171845 ppb
Jul 20171840 ppb
Jun 20171843 ppb
May 20171847 ppb
Apr 20171849 ppb
Mar 20171848 ppb
Feb 20171849 ppb
Jan 20171850 ppb
Dec 20161851 ppb
Nov 20161851 ppb
Oct 20161850 ppb
Sep 20161844 ppb
Aug 20161837 ppb
Jul 20161834 ppb
Jun 20161838 ppb
May 20161842 ppb
Apr 20161844 ppb
Mar 20161843 ppb
Feb 20161842 ppb
Jan 20161843 ppb
Dec 20151845 ppb
Nov 20151845 ppb
Oct 20151841 ppb
Sep 20151836 ppb
Aug 20151829 ppb
Jul 20151825 ppb
Jun 20151827 ppb
May 20151832 ppb
Apr 20151833 ppb
Mar 20151833 ppb
Feb 20151833 ppb
Jan 20151833 ppb
Dec 20141833 ppb
Nov 20141833 ppb
Oct 20141831 ppb
Sep 20141827 ppb
Aug 20141820 ppb
Jul 20141816 ppb
Jun 20141818 ppb
May 20141822 ppb
Apr 20141821 ppb
Mar 20141818 ppb
Feb 20141816 ppb
Jan 20141817 ppb
Dec 20131819 ppb
Nov 20131820 ppb
Oct 20131819 ppb
Sep 20131814 ppb
Aug 20131809 ppb
Jul 20131806 ppb
Jun 20131809 ppb
May 20131812 ppb
Apr 20131813 ppb
Mar 20131813 ppb
Feb 20131814 ppb
Jan 20131814 ppb
Dec 20121815 ppb
Nov 20121816 ppb
Oct 20121815 ppb
Sep 20121810 ppb
Aug 20121803 ppb
Jul 20121799 ppb
Jun 20121801 ppb
May 20121805 ppb
Apr 20121808 ppb
Mar 20121810 ppb
Feb 20121808 ppb
Jan 20121807 ppb
Dec 20111810 ppb
Nov 20111812 ppb
Oct 20111809 ppb
Sep 20111804 ppb
Aug 20111799 ppb
Jul 20111796 ppb
Jun 20111799 ppb
May 20111803 ppb
Apr 20111803 ppb
Mar 20111801 ppb
Feb 20111800 ppb
Jan 20111800 ppb
Dec 20101803 ppb
Nov 20101807 ppb
Oct 20101807 ppb
Sep 20101802 ppb
Aug 20101794 ppb
Jul 20101789 ppb
Jun 20101792 ppb
May 20101798 ppb
Apr 20101800 ppb
Mar 20101799 ppb
Feb 20101799 ppb
Jan 20101797 ppb
Dec 20091797 ppb
Nov 20091798 ppb
Oct 20091798 ppb
Sep 20091795 ppb
Aug 20091789 ppb
Jul 20091785 ppb
Jun 20091787 ppb
May 20091792 ppb
Apr 20091796 ppb
Mar 20091796 ppb
Feb 20091796 ppb
Jan 20091795 ppb
Dec 20081797 ppb
Nov 20081797 ppb
Oct 20081794 ppb
Sep 20081788 ppb
Aug 20081781 ppb
Jul 20081778 ppb
Jun 20081780 ppb
May 20081785 ppb
Apr 20081787 ppb
Mar 20081786 ppb
Feb 20081786 ppb
Jan 20081787 ppb
Dec 20071788 ppb
Nov 20071789 ppb
Oct 20071790 ppb
Sep 20071786 ppb
Aug 20071777 ppb
Jul 20071773 ppb
Jun 20071775 ppb
May 20071779 ppb
Apr 20071781 ppb
Mar 20071780 ppb
Feb 20071779 ppb
Jan 20071779 ppb
Dec 20061780 ppb
Nov 20061779 ppb
Oct 20061778 ppb
Sep 20061775 ppb
Aug 20061767 ppb
Jul 20061764 ppb
Jun 20061769 ppb
May 20061775 ppb
Apr 20061776 ppb
Mar 20061777 ppb
Feb 20061779 ppb
Jan 20061780 ppb
Dec 20051780 ppb
Nov 20051781 ppb
Oct 20051779 ppb
Sep 20051773 ppb
Aug 20051768 ppb
Jul 20051766 ppb
Jun 20051769 ppb
May 20051773 ppb
Apr 20051775 ppb
Mar 20051776 ppb
Feb 20051776 ppb
Jan 20051776 ppb
Dec 20041778 ppb
Nov 20041781 ppb
Oct 20041780 ppb
Sep 20041776 ppb
Aug 20041770 ppb
Jul 20041768 ppb
Jun 20041772 ppb
May 20041778 ppb
Apr 20041781 ppb
Mar 20041781 ppb
Feb 20041780 ppb
Jan 20041781 ppb
Dec 20031784 ppb
Nov 20031785 ppb
Oct 20031785 ppb
Sep 20031781 ppb
Aug 20031774 ppb
Jul 20031771 ppb
Jun 20031772 ppb
May 20031774 ppb
Apr 20031776 ppb
Mar 20031775 ppb
Feb 20031775 ppb
Jan 20031778 ppb
Dec 20021780 ppb
Nov 20021779 ppb
Oct 20021778 ppb
Sep 20021774 ppb
Aug 20021767 ppb
Jul 20021764 ppb
Jun 20021767 ppb
May 20021770 ppb
Apr 20021773 ppb
Mar 20021773 ppb
Feb 20021773 ppb
Jan 20021774 ppb
Dec 20011776 ppb
Nov 20011777 ppb
Oct 20011775 ppb
Sep 20011770 ppb
Aug 20011764 ppb
Jul 20011763 ppb
Jun 20011766 ppb
May 20011771 ppb
Apr 20011774 ppb
Mar 20011774 ppb
Feb 20011773 ppb
Jan 20011773 ppb
Dec 20001775 ppb
Nov 20001778 ppb
Oct 20001777 ppb
Sep 20001772 ppb
Aug 20001765 ppb
Jul 20001763 ppb
Jun 20001768 ppb
May 20001775 ppb
Apr 20001777 ppb
Mar 20001777 ppb
Feb 20001775 ppb
Jan 20001776 ppb
Dec 19991777 ppb
Nov 19991779 ppb
Oct 19991777 ppb
Sep 19991771 ppb
Aug 19991765 ppb
Jul 19991763 ppb
Jun 19991767 ppb
May 19991773 ppb
Apr 19991775 ppb
Mar 19991775 ppb
Feb 19991774 ppb
Jan 19991774 ppb
Dec 19981774 ppb
Nov 19981776 ppb
Oct 19981776 ppb
Sep 19981771 ppb
Aug 19981760 ppb
Jul 19981756 ppb
Jun 19981760 ppb
May 19981764 ppb
Apr 19981765 ppb
Mar 19981763 ppb
Feb 19981761 ppb
Jan 19981761 ppb
Dec 19971762 ppb
Nov 19971762 ppb
Oct 19971760 ppb
Sep 19971755 ppb
Aug 19971748 ppb
Jul 19971746 ppb
Jun 19971750 ppb
May 19971754 ppb
Apr 19971756 ppb
Mar 19971756 ppb
Feb 19971754 ppb
Jan 19971753 ppb
Dec 19961757 ppb
Nov 19961760 ppb
Oct 19961759 ppb
Sep 19961753 ppb
Aug 19961744 ppb
Jul 19961742 ppb
Jun 19961746 ppb
May 19961748 ppb
Apr 19961750 ppb
Mar 19961752 ppb
Feb 19961753 ppb
Jan 19961752 ppb
Dec 19951754 ppb
Nov 19951755 ppb
Oct 19951754 ppb
Sep 19951750 ppb
Aug 19951744 ppb
Jul 19951740 ppb
Jun 19951743 ppb
May 19951748 ppb
Apr 19951749 ppb
Mar 19951749 ppb
Feb 19951749 ppb
Jan 19951751 ppb
Dec 19941752 ppb
Nov 19941751 ppb
Oct 19941750 ppb
Sep 19941743 ppb
Aug 19941734 ppb
Jul 19941732 ppb
Jun 19941737 ppb
May 19941741 ppb
Apr 19941742 ppb
Mar 19941742 ppb
Feb 19941741 ppb
Jan 19941741 ppb
Dec 19931744 ppb
Nov 19931745 ppb
Oct 19931743 ppb
Sep 19931738 ppb
Aug 19931731 ppb
Jul 19931728 ppb
Jun 19931731 ppb
May 19931735 ppb
Apr 19931737 ppb
Mar 19931735 ppb
Feb 19931734 ppb
Jan 19931736 ppb
Dec 19921739 ppb
Nov 19921739 ppb
Oct 19921738 ppb
Sep 19921735 ppb
Aug 19921730 ppb
Jul 19921729 ppb
Jun 19921732 ppb
May 19921735 ppb
Apr 19921737 ppb
Mar 19921737 ppb
Feb 19921737 ppb
Jan 19921739 ppb
Dec 19911740 ppb
Nov 19911738 ppb
Oct 19911733 ppb
Sep 19911726 ppb
Aug 19911719 ppb
Jul 19911716 ppb
Jun 19911719 ppb
May 19911722 ppb
Apr 19911722 ppb
Mar 19911722 ppb
Feb 19911721 ppb
Jan 19911722 ppb
Dec 19901723 ppb
Nov 19901723 ppb
Oct 19901722 ppb
Sep 19901718 ppb
Aug 19901710 ppb
Jul 19901707 ppb
Jun 19901708 ppb
May 19901711 ppb
Apr 19901713 ppb
Mar 19901714 ppb
Feb 19901713 ppb
Jan 19901712 ppb
Dec 19891713 ppb
Nov 19891713 ppb
Oct 19891711 ppb
Sep 19891707 ppb
Aug 19891702 ppb
Jul 19891698 ppb
Jun 19891700 ppb
May 19891703 ppb
Apr 19891704 ppb
Mar 19891703 ppb
Feb 19891701 ppb
Jan 19891701 ppb
Dec 19881702 ppb
Nov 19881703 ppb
Oct 19881701 ppb
Sep 19881696 ppb
Aug 19881689 ppb
Jul 19881686 ppb
Jun 19881687 ppb
May 19881689 ppb
Apr 19881690 ppb
Mar 19881691 ppb
Feb 19881693 ppb
Jan 19881692 ppb
Dec 19871691 ppb
Nov 19871691 ppb
Oct 19871692 ppb
Sep 19871686 ppb
Aug 19871677 ppb
Jul 19871676 ppb
Jun 19871680 ppb
May 19871682 ppb
Apr 19871681 ppb
Mar 19871680 ppb
Feb 19871679 ppb
Jan 19871679 ppb
Dec 19861679 ppb
Nov 19861679 ppb
Oct 19861679 ppb
Sep 19861673 ppb
Aug 19861664 ppb
Jul 19861662 ppb
Jun 19861665 ppb
May 19861668 ppb
Apr 19861671 ppb
Mar 19861669 ppb
Feb 19861667 ppb
Jan 19861666 ppb
Dec 19851666 ppb
Nov 19851667 ppb
Oct 19851667 ppb
Sep 19851663 ppb
Aug 19851652 ppb
Jul 19851647 ppb
Jun 19851650 ppb
May 19851656 ppb
Apr 19851658 ppb
Mar 19851655 ppb
Feb 19851652 ppb
Jan 19851656 ppb
Dec 19841656 ppb
Nov 19841654 ppb
Oct 19841655 ppb
Sep 19841651 ppb
Aug 19841642 ppb
Jul 19841638 ppb
Jun 19841640 ppb
May 19841643 ppb
Apr 19841644 ppb
Mar 19841641 ppb
Feb 19841639 ppb
Jan 19841639 ppb
Dec 19831640 ppb
Nov 19831643 ppb
Oct 19831645 ppb
Sep 19831638 ppb
Aug 19831628 ppb
Jul 19831626 ppb
Nitrous oxide, 2001–2026From 316.3 ppb in January 2001 to 339.9 ppb in June 2026.
315.0320.0325.0330.0335.0340.020052010201520202025
Indicator: Atmospheric N₂O mole fraction, global marine-surface monthly mean, ppb (NOAA GML)Source: NOAA Global Monitoring Laboratory, Trends in Atmospheric Methane and Nitrous Oxide (U.S. public domain), via climatedata.dev
Show the numbers (306 rows)
MonthNitrous oxide
Jun 2026339.9 ppb
May 2026339.8 ppb
Apr 2026339.8 ppb
Mar 2026339.8 ppb
Feb 2026339.8 ppb
Jan 2026339.7 ppb
Dec 2025339.6 ppb
Nov 2025339.5 ppb
Oct 2025339.2 ppb
Sep 2025339.0 ppb
Aug 2025338.9 ppb
Jul 2025338.8 ppb
Jun 2025338.7 ppb
May 2025338.7 ppb
Apr 2025338.6 ppb
Mar 2025338.6 ppb
Feb 2025338.5 ppb
Jan 2025338.4 ppb
Dec 2024338.3 ppb
Nov 2024338.1 ppb
Oct 2024337.9 ppb
Sep 2024337.7 ppb
Aug 2024337.6 ppb
Jul 2024337.7 ppb
Jun 2024337.7 ppb
May 2024337.7 ppb
Apr 2024337.6 ppb
Mar 2024337.6 ppb
Feb 2024337.6 ppb
Jan 2024337.5 ppb
Dec 2023337.3 ppb
Nov 2023337.1 ppb
Oct 2023336.9 ppb
Sep 2023336.7 ppb
Aug 2023336.7 ppb
Jul 2023336.6 ppb
Jun 2023336.6 ppb
May 2023336.6 ppb
Apr 2023336.6 ppb
Mar 2023336.5 ppb
Feb 2023336.5 ppb
Jan 2023336.4 ppb
Dec 2022336.3 ppb
Nov 2022336.1 ppb
Oct 2022335.9 ppb
Sep 2022335.8 ppb
Aug 2022335.6 ppb
Jul 2022335.6 ppb
Jun 2022335.5 ppb
May 2022335.5 ppb
Apr 2022335.4 ppb
Mar 2022335.4 ppb
Feb 2022335.3 ppb
Jan 2022335.2 ppb
Dec 2021335.1 ppb
Nov 2021334.9 ppb
Oct 2021334.6 ppb
Sep 2021334.4 ppb
Aug 2021334.3 ppb
Jul 2021334.2 ppb
Jun 2021334.1 ppb
May 2021334.1 ppb
Apr 2021334.1 ppb
Mar 2021334.0 ppb
Feb 2021334.0 ppb
Jan 2021333.9 ppb
Dec 2020333.8 ppb
Nov 2020333.6 ppb
Oct 2020333.4 ppb
Sep 2020333.3 ppb
Aug 2020333.1 ppb
Jul 2020333.0 ppb
Jun 2020332.9 ppb
May 2020332.8 ppb
Apr 2020332.7 ppb
Mar 2020332.6 ppb
Feb 2020332.6 ppb
Jan 2020332.5 ppb
Dec 2019332.4 ppb
Nov 2019332.3 ppb
Oct 2019332.1 ppb
Sep 2019331.9 ppb
Aug 2019331.9 ppb
Jul 2019331.9 ppb
Jun 2019331.7 ppb
May 2019331.6 ppb
Apr 2019331.6 ppb
Mar 2019331.7 ppb
Feb 2019331.8 ppb
Jan 2019331.8 ppb
Dec 2018331.7 ppb
Nov 2018331.5 ppb
Oct 2018331.3 ppb
Sep 2018331.1 ppb
Aug 2018330.9 ppb
Jul 2018330.8 ppb
Jun 2018330.7 ppb
May 2018330.7 ppb
Apr 2018330.7 ppb
Mar 2018330.7 ppb
Feb 2018330.6 ppb
Jan 2018330.4 ppb
Dec 2017330.3 ppb
Nov 2017330.1 ppb
Oct 2017330.0 ppb
Sep 2017329.9 ppb
Aug 2017329.8 ppb
Jul 2017329.7 ppb
Jun 2017329.6 ppb
May 2017329.5 ppb
Apr 2017329.5 ppb
Mar 2017329.5 ppb
Feb 2017329.5 ppb
Jan 2017329.5 ppb
Dec 2016329.4 ppb
Nov 2016329.2 ppb
Oct 2016329.1 ppb
Sep 2016328.9 ppb
Aug 2016328.8 ppb
Jul 2016328.8 ppb
Jun 2016328.9 ppb
May 2016328.9 ppb
Apr 2016328.9 ppb
Mar 2016328.9 ppb
Feb 2016328.9 ppb
Jan 2016328.9 ppb
Dec 2015328.8 ppb
Nov 2015328.6 ppb
Oct 2015328.4 ppb
Sep 2015328.2 ppb
Aug 2015328.1 ppb
Jul 2015328.0 ppb
Jun 2015327.9 ppb
May 2015327.9 ppb
Apr 2015328.0 ppb
Mar 2015328.0 ppb
Feb 2015328.0 ppb
Jan 2015328.0 ppb
Dec 2014327.9 ppb
Nov 2014327.7 ppb
Oct 2014327.5 ppb
Sep 2014327.3 ppb
Aug 2014327.2 ppb
Jul 2014327.0 ppb
Jun 2014326.9 ppb
May 2014326.8 ppb
Apr 2014326.8 ppb
Mar 2014326.7 ppb
Feb 2014326.7 ppb
Jan 2014326.6 ppb
Dec 2013326.5 ppb
Nov 2013326.4 ppb
Oct 2013326.2 ppb
Sep 2013326.1 ppb
Aug 2013326.0 ppb
Jul 2013326.0 ppb
Jun 2013325.9 ppb
May 2013325.8 ppb
Apr 2013325.7 ppb
Mar 2013325.7 ppb
Feb 2013325.6 ppb
Jan 2013325.6 ppb
Dec 2012325.5 ppb
Nov 2012325.4 ppb
Oct 2012325.3 ppb
Sep 2012325.1 ppb
Aug 2012325.0 ppb
Jul 2012324.9 ppb
Jun 2012324.9 ppb
May 2012324.9 ppb
Apr 2012324.9 ppb
Mar 2012324.9 ppb
Feb 2012325.0 ppb
Jan 2012324.9 ppb
Dec 2011324.8 ppb
Nov 2011324.6 ppb
Oct 2011324.4 ppb
Sep 2011324.2 ppb
Aug 2011324.1 ppb
Jul 2011324.1 ppb
Jun 2011324.1 ppb
May 2011324.1 ppb
Apr 2011324.1 ppb
Mar 2011324.1 ppb
Feb 2011324.1 ppb
Jan 2011324.0 ppb
Dec 2010323.9 ppb
Nov 2010323.8 ppb
Oct 2010323.5 ppb
Sep 2010323.3 ppb
Aug 2010323.1 ppb
Jul 2010323.0 ppb
Jun 2010323.0 ppb
May 2010323.0 ppb
Apr 2010323.0 ppb
Mar 2010322.9 ppb
Feb 2010322.9 ppb
Jan 2010322.9 ppb
Dec 2009322.8 ppb
Nov 2009322.7 ppb
Oct 2009322.5 ppb
Sep 2009322.3 ppb
Aug 2009322.1 ppb
Jul 2009322.0 ppb
Jun 2009321.9 ppb
May 2009322.0 ppb
Apr 2009322.1 ppb
Mar 2009322.3 ppb
Feb 2009322.3 ppb
Jan 2009322.2 ppb
Dec 2008322.0 ppb
Nov 2008321.8 ppb
Oct 2008321.6 ppb
Sep 2008321.5 ppb
Aug 2008321.4 ppb
Jul 2008321.4 ppb
Jun 2008321.5 ppb
May 2008321.4 ppb
Apr 2008321.4 ppb
Mar 2008321.4 ppb
Feb 2008321.4 ppb
Jan 2008321.3 ppb
Dec 2007321.2 ppb
Nov 2007321.0 ppb
Oct 2007320.7 ppb
Sep 2007320.5 ppb
Aug 2007320.2 ppb
Jul 2007320.2 ppb
Jun 2007320.2 ppb
May 2007320.2 ppb
Apr 2007320.2 ppb
Mar 2007320.3 ppb
Feb 2007320.4 ppb
Jan 2007320.4 ppb
Dec 2006320.3 ppb
Nov 2006320.2 ppb
Oct 2006320.0 ppb
Sep 2006319.8 ppb
Aug 2006319.7 ppb
Jul 2006319.6 ppb
Jun 2006319.7 ppb
May 2006319.7 ppb
Apr 2006319.7 ppb
Mar 2006319.8 ppb
Feb 2006319.8 ppb
Jan 2006319.7 ppb
Dec 2005319.6 ppb
Nov 2005319.4 ppb
Oct 2005319.1 ppb
Sep 2005318.9 ppb
Aug 2005318.8 ppb
Jul 2005318.6 ppb
Jun 2005318.6 ppb
May 2005318.7 ppb
Apr 2005318.8 ppb
Mar 2005318.9 ppb
Feb 2005318.9 ppb
Jan 2005318.9 ppb
Dec 2004318.8 ppb
Nov 2004318.6 ppb
Oct 2004318.3 ppb
Sep 2004318.2 ppb
Aug 2004318.2 ppb
Jul 2004318.1 ppb
Jun 2004318.1 ppb
May 2004318.1 ppb
Apr 2004318.1 ppb
Mar 2004318.2 ppb
Feb 2004318.2 ppb
Jan 2004318.2 ppb
Dec 2003318.1 ppb
Nov 2003318.0 ppb
Oct 2003317.9 ppb
Sep 2003317.8 ppb
Aug 2003317.6 ppb
Jul 2003317.6 ppb
Jun 2003317.5 ppb
May 2003317.5 ppb
Apr 2003317.5 ppb
Mar 2003317.4 ppb
Feb 2003317.3 ppb
Jan 2003317.3 ppb
Dec 2002317.2 ppb
Nov 2002317.1 ppb
Oct 2002317.0 ppb
Sep 2002316.9 ppb
Aug 2002316.8 ppb
Jul 2002316.8 ppb
Jun 2002316.8 ppb
May 2002316.9 ppb
Apr 2002316.9 ppb
Mar 2002317.0 ppb
Feb 2002317.0 ppb
Jan 2002316.9 ppb
Dec 2001316.9 ppb
Nov 2001316.8 ppb
Oct 2001316.6 ppb
Sep 2001316.4 ppb
Aug 2001316.3 ppb
Jul 2001316.2 ppb
Jun 2001316.2 ppb
May 2001316.1 ppb
Apr 2001316.1 ppb
Mar 2001316.2 ppb
Feb 2001316.3 ppb
Jan 2001316.3 ppb

From climatedata.dev greenhouse-gases, version 2026-10-25.9ba0b993cf, built from NOAA Global Monitoring Laboratory, Trends in Atmospheric Methane and Nitrous Oxide.

Get this data

This page's numbers, as JSON:

curl https://visualizedata.org/data/planet.json

The climatedata.dev API it comes from (live, no key; one of its series):

curl "https://api.climatedata.dev/v1/global-temperature/gistemp/world.json"

Open the JSON

What this can't tell you

  • NASA's and the Met Office's anomalies are against different 30-year averages (1951–1980 and 1961–1990), so their numbers differ by design; neither is shifted onto the other here. Their ranks agree.
  • Mauna Loa is one mountaintop in Hawaii; the global marine-surface mean, a few months behind, is the wider average.
  • The latest months are provisional and are revised as late observations arrive.

How the answers are decided

A month is ranked against the same calendar month in every year of the record. Changes are against the same month a year before, so the seasonal cycle does not count as change.