A .gov website belongs to an official government organization in the United States.
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
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 |
---|---|---|---|---|---|---|---|---|
1 |
Mauna Loa, Hawaii, United States (MLO) Continuous in-situ CATS GC measurements. |
Greenhouse Gases | Nitrous Oxide (n2o) |
Insitu | Daily Averages | Multiple | Download | |
2 |
Mauna Loa, Hawaii, United States (MLO) Continuous in-situ CATS GC measurements. |
Greenhouse Gases | Nitrous Oxide (n2o) |
Insitu | Hourly Averages | Multiple | Download | |
3 |
Mauna Loa, Hawaii, United States (MLO) Continuous in-situ CATS GC measurements. |
Greenhouse Gases | Nitrous Oxide (n2o) |
Insitu | Monthly Averages | Multiple | Download | |
4 |
Mauna Loa, Hawaii, United States (MLO) Continuous in-situ RITS GC measurements. |
Greenhouse Gases | Nitrous Oxide (n2o) |
Insitu | Daily Averages | Multiple | Download | |
5 |
Mauna Loa, Hawaii, United States (MLO) Continuous in-situ RITS GC measurements. |
Greenhouse Gases | Nitrous Oxide (n2o) |
Insitu | Hourly Averages | Multiple | Download | |
6 |
Mauna Loa, Hawaii, United States (MLO) Continuous in-situ RITS GC measurements. |
Greenhouse Gases | Nitrous Oxide (n2o) |
Insitu | Monthly Averages | Multiple | Download | |
7 |
Mauna Loa, Hawaii, United States (MLO) Continuous in-situ CATS GC measurements. |
Greenhouse Gases | Sulfur Hexafluoride (sf6) |
Insitu | Daily Averages | Multiple | Download | |
8 |
Mauna Loa, Hawaii, United States (MLO) Continuous in-situ CATS GC measurements. |
Greenhouse Gases | Sulfur Hexafluoride (sf6) |
Insitu | Hourly Averages | Multiple | Download | |
9 |
Mauna Loa, Hawaii, United States (MLO) Continuous in-situ CATS GC measurements. |
Greenhouse Gases | Sulfur Hexafluoride (sf6) |
Insitu | Monthly Averages | Multiple | Download | |
10 |
Mauna Loa, Hawaii, United States (MLO) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
11 |
Mauna Loa, Hawaii, United States (MLO) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Monthly Averages | Multiple | Download | Readme |
12 |
Mauna Loa, Hawaii, United States (MLO) In-situ ch4 daily averages |
Greenhouse Gases | Methane (CH4) |
Insitu | Daily Averages | Multiple | Download | Readme |
13 |
Mauna Loa, Hawaii, United States (MLO) In-situ ch4 hourly averages |
Greenhouse Gases | Methane (CH4) |
Insitu | Hourly Averages | HourlyData | Download | Readme |
14 |
Mauna Loa, Hawaii, United States (MLO) In-situ ch4 monthly averages |
Greenhouse Gases | Methane (CH4) |
Insitu | Monthly Averages | Multiple | Download | Readme |
15 |
Mauna Loa, Hawaii, United States (MLO) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Surface PFP | Discrete | Multiple | Download | Readme |
16 |
Mauna Loa, Hawaii, United States (MLO) Air samples collected in glass flasks. |
Greenhouse Gases | C13/C12 in Methane (d13C (CH4)) |
Flask | Discrete | Multiple | Download | Readme |
17 |
Mauna Loa, Hawaii, United States (MLO) Air samples collected in glass flasks. |
Greenhouse Gases | C13/C12 in Methane (d13C (CH4)) |
Flask | Monthly Averages | Multiple | Download | Readme |
18 |
Mauna Loa, Hawaii, United States (MLO) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Monoxide (CO) |
Flask | Discrete | Multiple | Download | Readme |
19 |
Mauna Loa, Hawaii, United States (MLO) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Monoxide (CO) |
Flask | Monthly Averages | Multiple | Download | Readme |
20 |
Mauna Loa, Hawaii, United States (MLO) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Monoxide (CO) |
Surface PFP | Discrete | Multiple | Download | Readme |
21 |
Mauna Loa, Hawaii, United States (MLO) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Dioxide (CO2) |
Flask | Discrete | Multiple | Download | Readme |
22 |
Mauna Loa, Hawaii, United States (MLO) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Dioxide (CO2) |
Flask | Monthly Averages | Multiple | Download | Readme |
23 |
Mauna Loa, Hawaii, United States (MLO) In-situ co2 daily averages |
Greenhouse Gases | Carbon Dioxide (CO2) |
Insitu | Daily Averages | Multiple | Download | Readme |
24 |
Mauna Loa, Hawaii, United States (MLO) In-situ co2 hourly averages |
Greenhouse Gases | Carbon Dioxide (CO2) |
Insitu | Hourly Averages | Multiple | Download | Readme |
25 |
Mauna Loa, Hawaii, United States (MLO) In-situ co2 monthly averages |
Greenhouse Gases | Carbon Dioxide (CO2) |
Insitu | Monthly Averages | Multiple | Download | Readme |
26 |
Mauna Loa, Hawaii, United States (MLO) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Dioxide (CO2) |
Surface PFP | Discrete | Multiple | Download | Readme |
27 |
Mauna Loa, Hawaii, United States (MLO) Air samples collected in glass flasks. |
Greenhouse Gases | Molecular Hydrogen (H2) |
Flask | Discrete | Multiple | Download | Readme |
28 |
Mauna Loa, Hawaii, United States (MLO) Air samples collected in glass flasks. |
Greenhouse Gases | Nitrous Oxide (N2O) |
Flask | Discrete | Multiple | Download | Readme |
29 |
Mauna Loa, Hawaii, United States (MLO) Air samples collected in glass flasks. |
Greenhouse Gases | Nitrous Oxide (N2O) |
Flask | Monthly Averages | Multiple | Download | Readme |
30 |
Mauna Loa, Hawaii, United States (MLO) Air samples collected in glass flasks. |
Greenhouse Gases | Nitrous Oxide (N2O) |
Surface PFP | Discrete | Multiple | Download | Readme |
31 |
Mauna Loa, Hawaii, United States (MLO) Air samples collected in glass flasks. |
Greenhouse Gases | Sulfur Hexafluoride (SF6) |
Flask | Discrete | Multiple | Download | Readme |
32 |
Mauna Loa, Hawaii, United States (MLO) Air samples collected in glass flasks. |
Greenhouse Gases | Sulfur Hexafluoride (SF6) |
Flask | Monthly Averages | Multiple | Download | Readme |
33 |
Mauna Loa, Hawaii, United States (MLO) Air samples collected in glass flasks. |
Greenhouse Gases | Sulfur Hexafluoride (SF6) |
Surface PFP | Discrete | Multiple | Download | Readme |