An official website of the United States government Here's how you know
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 |
|---|---|---|---|---|---|---|---|---|
|
51 |
Harvard Forest, Massachusetts, United States (HFM) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
|
52 |
Harvard Forest, Massachusetts, United States (HFM) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
53 |
Homer, Illinois, United States (HIL) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
|
54 |
HIPPO (HIAPER Pole-to-Pole Observations), United States (HIP) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
|
55 |
Howland, Maine, United States (HOW) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
|
56 |
Hohenpeissenberg, Germany (HPB) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
|
57 |
Humboldt State University, United States (HSU) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
|
58 |
Hegyhatsal, Hungary (HUN) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
|
59 |
Storhofdi, Vestmannaeyjar, Iceland (ICE) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
|
60 |
INFLUX (Indianapolis Flux Experiment), United States (INX) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
|
61 |
INFLUX (Indianapolis Flux Experiment), United States (INX) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
62 |
Grifton, North Carolina, United States (ITN) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
|
63 |
Izana, Tenerife, Canary Islands, Spain (IZO) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
|
64 |
Kaashidhoo, Republic of Maldives (KCO) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
|
65 |
Key Biscayne, Florida, United States (KEY) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
|
66 |
Kohler Mesa, Boulder, Colorado, United States (KLM) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
67 |
Kitt Peak, Arizona, United States (KPA) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
|
68 |
Cape Kumukahi, Hawaii, United States (KUM) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
|
69 |
Sary Taukum, Kazakhstan (KZD) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
|
70 |
Plateau Assy, Kazakhstan (KZM) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
|
71 |
LA Megacities, United States (LAC) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
72 |
Park Falls, Wisconsin, United States (LEF) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
|
73 |
Park Falls, Wisconsin, United States (LEF) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
|
74 |
Park Falls, Wisconsin, United States (LEF) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
75 |
Lewisburg, Pennsylvania, United States (LEW) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
76 |
Lac La Biche, Alberta, Canada (LLB) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
|
77 |
Lulin, Taiwan (LLN) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
|
78 |
Lampedusa, Italy (LMP) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
|
79 |
Mould Bay, Northwest Territories, Canada (MBC) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
|
80 |
Mt. Bachelor Observatory, United States (MBO) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
81 |
Mid Continent Intensive, United States (MCI) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
|
82 |
McMurdo Station, Antarctica, United States (MCM) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
|
83 |
High Altitude Global Climate Observation Center, Mexico (MEX) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
|
84 |
Mace Head, County Galway, Ireland (MHD) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
|
85 |
Sand Island, Midway, United States (MID) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
|
86 |
Mt. Kenya, Kenya (MKN) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
|
87 |
Mauna Kea, Hawaii, United States (MKO) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
|
88 |
Mauna Kea, Hawaii, United States (MKO) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
89 |
Mauna Loa, Hawaii, United States (MLO) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
|
90 |
Mauna Loa, Hawaii, United States (MLO) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
91 |
MICROMAPS, Micro Measurement of Air Pollution from Satellites, United States (MMP) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
|
92 |
Moscow, Russia (MOW) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
|
93 |
Marcellus Pennsylvania, United States (MRC) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
|
94 |
Marcellus Pennsylvania, United States (MRC) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
95 |
Mashpee, Massachusetts, United States (MSH) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
96 |
Marthas Vineyard, Massachusetts, United States (MVY) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
97 |
Mt. Wilson Observatory, United States (MWO) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
98 |
Multiple Sites Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
|
99 |
Multiple Sites Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
|
100 |
Multiple Sites Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Surface PFP | Discrete | Multiple | Download | Readme |