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 |
|---|---|---|---|---|---|---|---|---|
|
1951 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | Halon-2402 (CBrF2CBrF2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
1952 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | HCFC-133a (CH2ClCF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
1953 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | HCFC-22 (CHF2Cl) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
1954 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | HFC-125 (CHF2CF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
1955 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | HFC-134a (CH2FCF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
1956 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | HFC-143a (CH3CF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
1957 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | HFC-152a (CH3CHF2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
1958 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | HFC-227ea (CF3CHFCF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
1959 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | HFC-236fa (CF3CH2CF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
1960 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | HFC-32 (CH2F2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
1961 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | PFC-218 (C3F8) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
1962 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | Perfluorotriethylamine (PFTEA) ((C2F5)3N) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
1963 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | Perfluorotripropylamine (PFTPA) ((C3F7)3N) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
1964 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
1965 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Monoxide (CO) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
1966 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Dioxide (CO2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
1967 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | Isobutane (i-C4H10) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
1968 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | isopentane (i-C5H12) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
1969 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Greenhouse Gases | Nitrous Oxide (N2O) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
1970 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | n-Butane (n-C4H10) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
1971 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Halocompounds | n-Pentane (n-C5H12) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
1972 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Greenhouse Gases | Sulfur Hexafluoride (SF6) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
1973 |
Mid Continent Intensive, United States (MCI) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
|
1974 |
Mid Continent Intensive, United States (MCI) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Dioxide (CO2) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
|
1975 |
Mid Continent Intensive, United States (MCI) Air samples collected in glass flasks. |
Greenhouse Gases | Nitrous Oxide (N2O) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
|
1976 |
Mid Continent Intensive, United States (MCI) Air samples collected in glass flasks. |
Greenhouse Gases | Sulfur Hexafluoride (SF6) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
|
1977 |
McMurdo Station, Antarctica, United States (MCM) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
|
1978 |
High Altitude Global Climate Observation Center, Mexico (MEX) Air samples collected in glass flasks. |
Non-Methane Hydrocarbons | Ethane (C2H6) |
Flask | Discrete | Multiple | Download | Readme |
|
1979 |
High Altitude Global Climate Observation Center, Mexico (MEX) Air samples collected in glass flasks. |
Non-Methane Hydrocarbons | Propane (C3H8) |
Flask | Discrete | Multiple | Download | Readme |
|
1980 |
High Altitude Global Climate Observation Center, Mexico (MEX) Air samples collected in glass flasks. |
Non-Methane Hydrocarbons | isoprene (C5H8) |
Flask | Discrete | Multiple | Download | Readme |
|
1981 |
High Altitude Global Climate Observation Center, Mexico (MEX) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
|
1982 |
High Altitude Global Climate Observation Center, Mexico (MEX) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Monthly Averages | Multiple | Download | Readme |
|
1983 |
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 |
|
1984 |
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 |
|
1985 |
High Altitude Global Climate Observation Center, Mexico (MEX) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Monoxide (CO) |
Flask | Discrete | Multiple | Download | Readme |
|
1986 |
High Altitude Global Climate Observation Center, Mexico (MEX) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Monoxide (CO) |
Flask | Monthly Averages | Multiple | Download | Readme |
|
1987 |
High Altitude Global Climate Observation Center, Mexico (MEX) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Dioxide (CO2) |
Flask | Discrete | Multiple | Download | Readme |
|
1988 |
High Altitude Global Climate Observation Center, Mexico (MEX) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Dioxide (CO2) |
Flask | Monthly Averages | Multiple | Download | Readme |
|
1989 |
High Altitude Global Climate Observation Center, Mexico (MEX) Air samples collected in glass flasks. |
Greenhouse Gases | Molecular Hydrogen (H2) |
Flask | Discrete | Multiple | Download | Readme |
|
1990 |
High Altitude Global Climate Observation Center, Mexico (MEX) Air samples collected in glass flasks. |
Non-Methane Hydrocarbons | Isobutane (i-C4H10) |
Flask | Discrete | Multiple | Download | Readme |
|
1991 |
High Altitude Global Climate Observation Center, Mexico (MEX) Air samples collected in glass flasks. |
Non-Methane Hydrocarbons | isopentane (i-C5H12) |
Flask | Discrete | Multiple | Download | Readme |
|
1992 |
High Altitude Global Climate Observation Center, Mexico (MEX) Air samples collected in glass flasks. |
Greenhouse Gases | Nitrous Oxide (N2O) |
Flask | Discrete | Multiple | Download | Readme |
|
1993 |
High Altitude Global Climate Observation Center, Mexico (MEX) Air samples collected in glass flasks. |
Greenhouse Gases | Nitrous Oxide (N2O) |
Flask | Monthly Averages | Multiple | Download | Readme |
|
1994 |
High Altitude Global Climate Observation Center, Mexico (MEX) Air samples collected in glass flasks. |
Non-Methane Hydrocarbons | n-Butane (n-C4H10) |
Flask | Discrete | Multiple | Download | Readme |
|
1995 |
High Altitude Global Climate Observation Center, Mexico (MEX) Air samples collected in glass flasks. |
Non-Methane Hydrocarbons | n-Pentane (n-C5H12) |
Flask | Discrete | Multiple | Download | Readme |
|
1996 |
High Altitude Global Climate Observation Center, Mexico (MEX) Air samples collected in glass flasks. |
Greenhouse Gases | Sulfur Hexafluoride (SF6) |
Flask | Discrete | Multiple | Download | Readme |
|
1997 |
High Altitude Global Climate Observation Center, Mexico (MEX) Air samples collected in glass flasks. |
Greenhouse Gases | Sulfur Hexafluoride (SF6) |
Flask | Monthly Averages | Multiple | Download | Readme |
|
1998 |
Mace Head, County Galway, Ireland (MHD) Air samples collected in glass flasks. |
Non-Methane Hydrocarbons | Ethane (C2H6) |
Flask | Discrete | Multiple | Download | Readme |
|
1999 |
Mace Head, County Galway, Ireland (MHD) Air samples collected in glass flasks. |
Non-Methane Hydrocarbons | Propane (C3H8) |
Flask | Discrete | Multiple | Download | Readme |
|
2000 |
Mace Head, County Galway, Ireland (MHD) Air samples collected in glass flasks. |
Non-Methane Hydrocarbons | isoprene (C5H8) |
Flask | Discrete | Multiple | Download | Readme |