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 |
|---|---|---|---|---|---|---|---|---|
|
101 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | n-Pentane (n-C5H12) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
102 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Greenhouse Gases | Sulfur Hexafluoride (SF6) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
103 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Halocompounds | Acetylene (C2H2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
104 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Halocompounds | Ethane (C2H6) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
105 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Halocompounds | Propane (C3H8) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
106 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Halocompounds | Benzene (C6H6) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
107 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Halocompounds | PFC-14 (CF4) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
108 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Halocompounds | CFC-115 (CClF2CF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
109 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Halocompounds | CFC-11 (CCl3F (ion 103)) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
110 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Halocompounds | CFC-13 (CClF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
111 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Halocompounds | Methylene Bromide (CH2Br2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
112 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Halocompounds | Methyl Chloroform (97) (CH3CCl3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
113 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Halocompounds | Chloroform (CHCl3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
114 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Halocompounds | ethylene dichloride (1,2 DCE) (CH2ClCH2Cl) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
115 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Halocompounds | Halon-1301 (CF3Br) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
116 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Halocompounds | Halon-2402 (CBrF2CBrF2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
117 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Halocompounds | HCFC-133a (CH2ClCF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
118 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Halocompounds | HCFC-22 (CHF2Cl) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
119 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Halocompounds | HFC-125 (CHF2CF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
120 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Halocompounds | HFC-134a (CH2FCF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
121 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Halocompounds | HFC-143a (CH3CF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
122 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Halocompounds | HFC-152a (CH3CHF2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
123 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Halocompounds | HFC-227ea (CF3CHFCF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
124 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Halocompounds | HFC-236fa (CF3CH2CF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
125 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Halocompounds | HFC-32 (CH2F2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
126 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Halocompounds | PFC-218 (C3F8) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
127 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Halocompounds | Perfluorotriethylamine (PFTEA) ((C2F5)3N) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
128 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Halocompounds | Perfluorotripropylamine (PFTPA) ((C3F7)3N) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
129 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
130 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Monoxide (CO) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
131 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Dioxide (CO2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
132 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Halocompounds | Isobutane (i-C4H10) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
133 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Halocompounds | isopentane (i-C5H12) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
134 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Greenhouse Gases | Nitrous Oxide (N2O) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
135 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Halocompounds | n-Butane (n-C4H10) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
136 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Halocompounds | n-Pentane (n-C5H12) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
137 |
Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States (CRV) Air samples collected in glass flasks. |
Greenhouse Gases | Sulfur Hexafluoride (SF6) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
138 |
Harvard Forest, Massachusetts, United States (HFM) Air samples collected in glass flasks. |
Halocompounds | Acetylene (C2H2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
139 |
Harvard Forest, Massachusetts, United States (HFM) Air samples collected in glass flasks. |
Halocompounds | Ethane (C2H6) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
140 |
Harvard Forest, Massachusetts, United States (HFM) Air samples collected in glass flasks. |
Halocompounds | Propane (C3H8) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
141 |
Harvard Forest, Massachusetts, United States (HFM) Air samples collected in glass flasks. |
Halocompounds | Benzene (C6H6) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
142 |
Harvard Forest, Massachusetts, United States (HFM) Air samples collected in glass flasks. |
Halocompounds | PFC-14 (CF4) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
143 |
Harvard Forest, Massachusetts, United States (HFM) Air samples collected in glass flasks. |
Halocompounds | CFC-115 (CClF2CF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
144 |
Harvard Forest, Massachusetts, United States (HFM) Air samples collected in glass flasks. |
Halocompounds | CFC-11 (CCl3F (ion 103)) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
145 |
Harvard Forest, Massachusetts, United States (HFM) Air samples collected in glass flasks. |
Halocompounds | CFC-13 (CClF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
146 |
Harvard Forest, Massachusetts, United States (HFM) Air samples collected in glass flasks. |
Halocompounds | Methylene Bromide (CH2Br2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
147 |
Harvard Forest, Massachusetts, United States (HFM) Air samples collected in glass flasks. |
Halocompounds | Methyl Chloroform (97) (CH3CCl3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
148 |
Harvard Forest, Massachusetts, United States (HFM) Air samples collected in glass flasks. |
Halocompounds | Chloroform (CHCl3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
149 |
Harvard Forest, Massachusetts, United States (HFM) Air samples collected in glass flasks. |
Halocompounds | Halon-1301 (CF3Br) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
150 |
Harvard Forest, Massachusetts, United States (HFM) Air samples collected in glass flasks. |
Halocompounds | Halon-2402 (CBrF2CBrF2) |
Surface PFP | Discrete | Multiple | Download | Readme |