Use this web page to find specific data files available from the public ftp file archive of the ESRL Global Monitoring Laboratory. Alternatively, you can check our Data by research program page for specific areas of data that can be downloaded. Click on the icons ( or ) under the 'Data' table heading in the dataset description boxes to either download the data file desired, or take you to the appropriate directory on the ftp server, where you can select specific data files.
Dataset Number | Site | Category | Name | Type | Frequency | Year | Data | Readme |
---|---|---|---|---|---|---|---|---|
1901 |
Lewisburg, Pennsylvania, United States (LEW) Air samples collected in glass flasks. |
Halocompounds | n-Butane (n-C4H10) |
Surface PFP | Discrete | Multiple | Download | Readme |
1902 |
Lewisburg, Pennsylvania, United States (LEW) Air samples collected in glass flasks. |
Halocompounds | n-Pentane (n-C5H12) |
Surface PFP | Discrete | Multiple | Download | Readme |
1903 |
Lewisburg, Pennsylvania, United States (LEW) Air samples collected in glass flasks. |
Greenhouse Gases | Sulfur Hexafluoride (SF6) |
Surface PFP | Discrete | Multiple | Download | Readme |
1904 |
Lac La Biche, Alberta, Canada (LLB) Air samples collected in glass flasks. |
Non-Methane Hydrocarbons | Ethane (C2H6) |
Flask | Discrete | Multiple | Download | Readme |
1905 |
Lac La Biche, Alberta, Canada (LLB) Air samples collected in glass flasks. |
Non-Methane Hydrocarbons | Propane (C3H8) |
Flask | Discrete | Multiple | Download | Readme |
1906 |
Lac La Biche, Alberta, Canada (LLB) Air samples collected in glass flasks. |
Non-Methane Hydrocarbons | isoprene (C5H8) |
Flask | Discrete | Multiple | Download | Readme |
1907 |
Lac La Biche, Alberta, Canada (LLB) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
1908 |
Lac La Biche, Alberta, Canada (LLB) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Monthly Averages | Multiple | Download | Readme |
1909 |
Lac La Biche, Alberta, Canada (LLB) Air samples collected in glass flasks. |
Greenhouse Gases | C13/C12 in Methane (d13C (CH4)) |
Flask | Discrete | Multiple | Download | Readme |
1910 |
Lac La Biche, Alberta, Canada (LLB) Air samples collected in glass flasks. |
Greenhouse Gases | C13/C12 in Methane (d13C (CH4)) |
Flask | Monthly Averages | Multiple | Download | Readme |
1911 |
Lac La Biche, Alberta, Canada (LLB) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Monoxide (CO) |
Flask | Discrete | Multiple | Download | Readme |
1912 |
Lac La Biche, Alberta, Canada (LLB) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Monoxide (CO) |
Flask | Monthly Averages | Multiple | Download | Readme |
1913 |
Lac La Biche, Alberta, Canada (LLB) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Dioxide (CO2) |
Flask | Discrete | Multiple | Download | Readme |
1914 |
Lac La Biche, Alberta, Canada (LLB) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Dioxide (CO2) |
Flask | Monthly Averages | Multiple | Download | Readme |
1915 |
Lac La Biche, Alberta, Canada (LLB) Air samples collected in glass flasks. |
Greenhouse Gases | Molecular Hydrogen (H2) |
Flask | Discrete | Multiple | Download | Readme |
1916 |
Lac La Biche, Alberta, Canada (LLB) Air samples collected in glass flasks. |
Non-Methane Hydrocarbons | Isobutane (i-C4H10) |
Flask | Discrete | Multiple | Download | Readme |
1917 |
Lac La Biche, Alberta, Canada (LLB) Air samples collected in glass flasks. |
Non-Methane Hydrocarbons | isopentane (i-C5H12) |
Flask | Discrete | Multiple | Download | Readme |
1918 |
Lac La Biche, Alberta, Canada (LLB) Air samples collected in glass flasks. |
Greenhouse Gases | Nitrous Oxide (N2O) |
Flask | Discrete | Multiple | Download | Readme |
1919 |
Lac La Biche, Alberta, Canada (LLB) Air samples collected in glass flasks. |
Greenhouse Gases | Nitrous Oxide (N2O) |
Flask | Monthly Averages | Multiple | Download | Readme |
1920 |
Lac La Biche, Alberta, Canada (LLB) Air samples collected in glass flasks. |
Non-Methane Hydrocarbons | n-Butane (n-C4H10) |
Flask | Discrete | Multiple | Download | Readme |
1921 |
Lac La Biche, Alberta, Canada (LLB) Air samples collected in glass flasks. |
Non-Methane Hydrocarbons | n-Pentane (n-C5H12) |
Flask | Discrete | Multiple | Download | Readme |
1922 |
Lac La Biche, Alberta, Canada (LLB) Air samples collected in glass flasks. |
Greenhouse Gases | Sulfur Hexafluoride (SF6) |
Flask | Discrete | Multiple | Download | Readme |
1923 |
Lac La Biche, Alberta, Canada (LLB) Air samples collected in glass flasks. |
Greenhouse Gases | Sulfur Hexafluoride (SF6) |
Flask | Monthly Averages | Multiple | Download | Readme |
1924 |
Lulin, Taiwan (LLN) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
1925 |
Lulin, Taiwan (LLN) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Monthly Averages | Multiple | Download | Readme |
1926 |
Lulin, Taiwan (LLN) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Monoxide (CO) |
Flask | Discrete | Multiple | Download | Readme |
1927 |
Lulin, Taiwan (LLN) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Monoxide (CO) |
Flask | Monthly Averages | Multiple | Download | Readme |
1928 |
Lulin, Taiwan (LLN) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Dioxide (CO2) |
Flask | Discrete | Multiple | Download | Readme |
1929 |
Lulin, Taiwan (LLN) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Dioxide (CO2) |
Flask | Monthly Averages | Multiple | Download | Readme |
1930 |
Lulin, Taiwan (LLN) Air samples collected in glass flasks. |
Greenhouse Gases | Molecular Hydrogen (H2) |
Flask | Discrete | Multiple | Download | Readme |
1931 |
Lulin, Taiwan (LLN) Air samples collected in glass flasks. |
Greenhouse Gases | Nitrous Oxide (N2O) |
Flask | Discrete | Multiple | Download | Readme |
1932 |
Lulin, Taiwan (LLN) Air samples collected in glass flasks. |
Greenhouse Gases | Nitrous Oxide (N2O) |
Flask | Monthly Averages | Multiple | Download | Readme |
1933 |
Lulin, Taiwan (LLN) Air samples collected in glass flasks. |
Greenhouse Gases | Sulfur Hexafluoride (SF6) |
Flask | Discrete | Multiple | Download | Readme |
1934 |
Lulin, Taiwan (LLN) Air samples collected in glass flasks. |
Greenhouse Gases | Sulfur Hexafluoride (SF6) |
Flask | Monthly Averages | Multiple | Download | Readme |
1935 |
Lampedusa, Italy (LMP) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
1936 |
Lampedusa, Italy (LMP) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Monthly Averages | Multiple | Download | Readme |
1937 |
Lampedusa, Italy (LMP) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Monoxide (CO) |
Flask | Discrete | Multiple | Download | Readme |
1938 |
Lampedusa, Italy (LMP) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Monoxide (CO) |
Flask | Monthly Averages | Multiple | Download | Readme |
1939 |
Lampedusa, Italy (LMP) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Dioxide (CO2) |
Flask | Discrete | Multiple | Download | Readme |
1940 |
Lampedusa, Italy (LMP) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Dioxide (CO2) |
Flask | Monthly Averages | Multiple | Download | Readme |
1941 |
Lampedusa, Italy (LMP) Air samples collected in glass flasks. |
Greenhouse Gases | Molecular Hydrogen (H2) |
Flask | Discrete | Multiple | Download | Readme |
1942 |
Lampedusa, Italy (LMP) Air samples collected in glass flasks. |
Greenhouse Gases | Nitrous Oxide (N2O) |
Flask | Discrete | Multiple | Download | Readme |
1943 |
Lampedusa, Italy (LMP) Air samples collected in glass flasks. |
Greenhouse Gases | Nitrous Oxide (N2O) |
Flask | Monthly Averages | Multiple | Download | Readme |
1944 |
Lampedusa, Italy (LMP) Air samples collected in glass flasks. |
Greenhouse Gases | Sulfur Hexafluoride (SF6) |
Flask | Discrete | Multiple | Download | Readme |
1945 |
Lampedusa, Italy (LMP) Air samples collected in glass flasks. |
Greenhouse Gases | Sulfur Hexafluoride (SF6) |
Flask | Monthly Averages | Multiple | Download | Readme |
1946 |
Mould Bay, Northwest Territories, Canada (MBC) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
1947 |
Mould Bay, Northwest Territories, Canada (MBC) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Monthly Averages | Multiple | Download | Readme |
1948 |
Mould Bay, Northwest Territories, Canada (MBC) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Monoxide (CO) |
Flask | Discrete | Multiple | Download | Readme |
1949 |
Mould Bay, Northwest Territories, Canada (MBC) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Monoxide (CO) |
Flask | Monthly Averages | Multiple | Download | Readme |
1950 |
Mould Bay, Northwest Territories, Canada (MBC) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Dioxide (CO2) |
Flask | Discrete | Multiple | Download | Readme |
1951 |
Mould Bay, Northwest Territories, Canada (MBC) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Dioxide (CO2) |
Flask | Monthly Averages | Multiple | Download | Readme |
1952 |
Mt. Bachelor Observatory, United States (MBO) Continuous measurements of surface ozone. |
Ozone | Ozone (O3) |
Insitu | Hourly Averages | Multiple | Go To Directory | Readme |
1953 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | Acetylene (C2H2) |
Surface PFP | Discrete | Multiple | Download | Readme |
1954 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | Ethane (C2H6) |
Surface PFP | Discrete | Multiple | Download | Readme |
1955 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | Propane (C3H8) |
Surface PFP | Discrete | Multiple | Download | Readme |
1956 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | Benzene (C6H6) |
Surface PFP | Discrete | Multiple | Download | Readme |
1957 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | PFC-14 (CF4) |
Surface PFP | Discrete | Multiple | Download | Readme |
1958 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | CFC-115 (CClF2CF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
1959 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | CFC-11 (CCl3F (ion 103)) |
Surface PFP | Discrete | Multiple | Download | Readme |
1960 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | CFC-13 (CClF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
1961 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | Methelyne Bromide (CH2Br2) |
Surface PFP | Discrete | Multiple | Download | Readme |
1962 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | Methyl Chloroform (97) (CH3CCl3) |
Surface PFP | Discrete | Multiple | Download | Readme |
1963 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | Chloroform (CHCl3) |
Surface PFP | Discrete | Multiple | Download | Readme |
1964 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | ethylene dichloride (1,2 DCE) (CH2ClCH2Cl) |
Surface PFP | Discrete | Multiple | Download | Readme |
1965 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | Halon-1301 (CF3Br) |
Surface PFP | Discrete | Multiple | Download | Readme |
1966 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | Halon-2402 (CBrF2CBrF2) |
Surface PFP | Discrete | Multiple | Download | Readme |
1967 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | HCFC-133a (CH2ClCF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
1968 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | HCFC-22 (CHF2Cl) |
Surface PFP | Discrete | Multiple | Download | Readme |
1969 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | HFC-125 (CHF2CF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
1970 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | HFC-134a (CH2FCF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
1971 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | HFC-143a (CH3CF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
1972 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | HFC-152a (CH3CHF2) |
Surface PFP | Discrete | Multiple | Download | Readme |
1973 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | HFC-227ea (CF3CHFCF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
1974 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | HFC-236fa (CF3CH2CF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
1975 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | HFC-32 (CH2F2) |
Surface PFP | Discrete | Multiple | Download | Readme |
1976 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | PFC-218 (C3F8) |
Surface PFP | Discrete | Multiple | Download | Readme |
1977 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | Perfluorotriethylamine (PFTEA) ((C2F5)3N) |
Surface PFP | Discrete | Multiple | Download | Readme |
1978 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | Perfluorotripropylamine (PFTPA) ((C3F7)3N) |
Surface PFP | Discrete | Multiple | Download | Readme |
1979 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Surface PFP | Discrete | Multiple | Download | Readme |
1980 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Monoxide (CO) |
Surface PFP | Discrete | Multiple | Download | Readme |
1981 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Dioxide (CO2) |
Surface PFP | Discrete | Multiple | Download | Readme |
1982 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | Isobutane (i-C4H10) |
Surface PFP | Discrete | Multiple | Download | Readme |
1983 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | isopentane (i-C5H12) |
Surface PFP | Discrete | Multiple | Download | Readme |
1984 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Greenhouse Gases | Nitrous Oxide (N2O) |
Surface PFP | Discrete | Multiple | Download | Readme |
1985 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | n-Butane (n-C4H10) |
Surface PFP | Discrete | Multiple | Download | Readme |
1986 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | n-Pentane (n-C5H12) |
Surface PFP | Discrete | Multiple | Download | Readme |
1987 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Greenhouse Gases | Sulfur Hexafluoride (SF6) |
Surface PFP | Discrete | Multiple | Download | Readme |
1988 |
Mid Continent Intensive, United States (MCI) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
1989 |
Mid Continent Intensive, United States (MCI) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Dioxide (CO2) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
1990 |
Mid Continent Intensive, United States (MCI) Air samples collected in glass flasks. |
Greenhouse Gases | Nitrous Oxide (N2O) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
1991 |
Mid Continent Intensive, United States (MCI) Air samples collected in glass flasks. |
Greenhouse Gases | Sulfur Hexafluoride (SF6) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
1992 |
McMurdo Station, Antarctica, United States (MCM) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
1993 |
High Altitude Global Climate Observation Center, Mexico (MEX) Air samples collected in glass flasks. |
Non-Methane Hydrocarbons | Ethane (C2H6) |
Flask | Discrete | Multiple | Download | Readme |
1994 |
High Altitude Global Climate Observation Center, Mexico (MEX) Air samples collected in glass flasks. |
Non-Methane Hydrocarbons | Propane (C3H8) |
Flask | Discrete | Multiple | Download | Readme |
1995 |
High Altitude Global Climate Observation Center, Mexico (MEX) Air samples collected in glass flasks. |
Non-Methane Hydrocarbons | isoprene (C5H8) |
Flask | Discrete | Multiple | Download | Readme |
1996 |
High Altitude Global Climate Observation Center, Mexico (MEX) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
1997 |
High Altitude Global Climate Observation Center, Mexico (MEX) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Monthly Averages | Multiple | Download | Readme |
1998 |
High Altitude Global Climate Observation Center, Mexico (MEX) Air samples collected in glass flasks. |
Greenhouse Gases | C13/C12 in Methane (d13C (CH4)) |
Flask | Discrete | Multiple | Download | Readme |
1999 |
High Altitude Global Climate Observation Center, Mexico (MEX) Air samples collected in glass flasks. |
Greenhouse Gases | C13/C12 in Methane (d13C (CH4)) |
Flask | Monthly Averages | Multiple | Download | Readme |
2000 |
High Altitude Global Climate Observation Center, Mexico (MEX) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Monoxide (CO) |
Flask | Discrete | Multiple | Download | Readme |