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 |
Boulder Atmospheric Observatory, Colorado, United States (BAO) Air samples collected in glass flasks. |
Halocompounds | Chloroform (CHCl3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
102 |
Boulder Atmospheric Observatory, Colorado, United States (BAO) Air samples collected in glass flasks. |
Halocompounds | Halon-1301 (CF3Br) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
103 |
Boulder Atmospheric Observatory, Colorado, United States (BAO) Air samples collected in glass flasks. |
Halocompounds | Halon-2402 (CBrF2CBrF2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
104 |
Boulder Atmospheric Observatory, Colorado, United States (BAO) Air samples collected in glass flasks. |
Halocompounds | HCFC-133a (CH2ClCF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
105 |
Boulder Atmospheric Observatory, Colorado, United States (BAO) Air samples collected in glass flasks. |
Halocompounds | HCFC-22 (CHF2Cl) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
106 |
Boulder Atmospheric Observatory, Colorado, United States (BAO) Air samples collected in glass flasks. |
Halocompounds | HFC-125 (CHF2CF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
107 |
Boulder Atmospheric Observatory, Colorado, United States (BAO) Air samples collected in glass flasks. |
Halocompounds | HFC-134a (CH2FCF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
108 |
Boulder Atmospheric Observatory, Colorado, United States (BAO) Air samples collected in glass flasks. |
Halocompounds | HFC-143a (CH3CF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
109 |
Boulder Atmospheric Observatory, Colorado, United States (BAO) Air samples collected in glass flasks. |
Halocompounds | HFC-152a (CH3CHF2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
110 |
Boulder Atmospheric Observatory, Colorado, United States (BAO) Air samples collected in glass flasks. |
Halocompounds | HFC-227ea (CF3CHFCF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
111 |
Boulder Atmospheric Observatory, Colorado, United States (BAO) Air samples collected in glass flasks. |
Halocompounds | HFC-236fa (CF3CH2CF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
112 |
Boulder Atmospheric Observatory, Colorado, United States (BAO) Air samples collected in glass flasks. |
Halocompounds | HFC-32 (CH2F2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
113 |
Boulder Atmospheric Observatory, Colorado, United States (BAO) Air samples collected in glass flasks. |
Halocompounds | PFC-218 (C3F8) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
114 |
Boulder Atmospheric Observatory, Colorado, United States (BAO) Air samples collected in glass flasks. |
Halocompounds | Isobutane (i-C4H10) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
115 |
Boulder Atmospheric Observatory, Colorado, United States (BAO) Air samples collected in glass flasks. |
Halocompounds | isopentane (i-C5H12) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
116 |
Boulder Atmospheric Observatory, Colorado, United States (BAO) Air samples collected in glass flasks. |
Halocompounds | n-Butane (n-C4H10) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
117 |
Boulder Atmospheric Observatory, Colorado, United States (BAO) Air samples collected in glass flasks. |
Halocompounds | n-Pentane (n-C5H12) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
118 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ CATS GC measurements. |
Halocompounds | Carbon Tetrachloride (CCl4) |
Insitu | Daily Averages | Multiple | Download | |
|
119 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ CATS GC measurements. |
Halocompounds | Carbon Tetrachloride (CCl4) |
Insitu | Hourly Averages | Multiple | Download | |
|
120 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ CATS GC measurements. |
Halocompounds | Carbon Tetrachloride (CCl4) |
Insitu | Monthly Averages | Multiple | Download | |
|
121 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ RITS GC measurements. |
Halocompounds | Carbon Tetrachloride (CCl4) |
Insitu | Daily Averages | Multiple | Download | |
|
122 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ RITS GC measurements. |
Halocompounds | Carbon Tetrachloride (CCl4) |
Insitu | Hourly Averages | Multiple | Download | |
|
123 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ RITS GC measurements. |
Halocompounds | Carbon Tetrachloride (CCl4) |
Insitu | Monthly Averages | Multiple | Download | |
|
124 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ CATS GC measurements. |
Halocompounds | Methyl Chloroform (CH3CCl3) |
Insitu | Daily Averages | Multiple | Download | |
|
125 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ CATS GC measurements. |
Halocompounds | Methyl Chloroform (CH3CCl3) |
Insitu | Hourly Averages | Multiple | Download | |
|
126 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ CATS GC measurements. |
Halocompounds | Methyl Chloroform (CH3CCl3) |
Insitu | Monthly Averages | Multiple | Download | |
|
127 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ RITS GC measurements. |
Halocompounds | Methyl Chloroform (CH3CCl3) |
Insitu | Daily Averages | Multiple | Download | |
|
128 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ RITS GC measurements. |
Halocompounds | Methyl Chloroform (CH3CCl3) |
Insitu | Hourly Averages | Multiple | Download | |
|
129 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ RITS GC measurements. |
Halocompounds | Methyl Chloroform (CH3CCl3) |
Insitu | Monthly Averages | Multiple | Download | |
|
130 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ CATS GC measurements. |
Halocompounds | CFC-11 (cfc11) |
Insitu | Daily Averages | Multiple | Download | |
|
131 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ CATS GC measurements. |
Halocompounds | CFC-11 (cfc11) |
Insitu | Hourly Averages | Multiple | Download | |
|
132 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ CATS GC measurements. |
Halocompounds | CFC-11 (cfc11) |
Insitu | Monthly Averages | Multiple | Download | |
|
133 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ RITS GC measurements. |
Halocompounds | CFC-11 (cfc11) |
Insitu | Daily Averages | Multiple | Download | |
|
134 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ RITS GC measurements. |
Halocompounds | CFC-11 (cfc11) |
Insitu | Hourly Averages | Multiple | Download | |
|
135 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ RITS GC measurements. |
Halocompounds | CFC-11 (cfc11) |
Insitu | Monthly Averages | Multiple | Download | |
|
136 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ CATS GC measurements. |
Halocompounds | CFC-113 (cfc113) |
Insitu | Daily Averages | Multiple | Download | |
|
137 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ CATS GC measurements. |
Halocompounds | CFC-113 (cfc113) |
Insitu | Hourly Averages | Multiple | Download | |
|
138 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ CATS GC measurements. |
Halocompounds | CFC-113 (cfc113) |
Insitu | Monthly Averages | Multiple | Download | |
|
139 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ CATS GC measurements. |
Halocompounds | CFC-12 (cfc12) |
Insitu | Daily Averages | Multiple | Download | |
|
140 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ CATS GC measurements. |
Halocompounds | CFC-12 (cfc12) |
Insitu | Hourly Averages | Multiple | Download | |
|
141 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ CATS GC measurements. |
Halocompounds | CFC-12 (cfc12) |
Insitu | Monthly Averages | Multiple | Download | |
|
142 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ RITS GC measurements. |
Halocompounds | CFC-12 (cfc12) |
Insitu | Daily Averages | Multiple | Download | |
|
143 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ RITS GC measurements. |
Halocompounds | CFC-12 (cfc12) |
Insitu | Hourly Averages | Multiple | Download | |
|
144 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ RITS GC measurements. |
Halocompounds | CFC-12 (cfc12) |
Insitu | Monthly Averages | Multiple | Download | |
|
145 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ CATS GC measurements. |
Halocompounds | Methyl Chloride (ch3cl) |
Insitu | Daily Averages | Multiple | Download | |
|
146 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ CATS GC measurements. |
Halocompounds | Methyl Chloride (ch3cl) |
Insitu | Hourly Averages | Multiple | Download | |
|
147 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ CATS GC measurements. |
Halocompounds | Methyl Chloride (ch3cl) |
Insitu | Monthly Averages | Multiple | Download | |
|
148 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ CATS GC measurements. |
Halocompounds | Halon-1211 (h1211) |
Insitu | Daily Averages | Multiple | Download | |
|
149 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ CATS GC measurements. |
Halocompounds | Halon-1211 (h1211) |
Insitu | Hourly Averages | Multiple | Download | |
|
150 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ CATS GC measurements. |
Halocompounds | Halon-1211 (h1211) |
Insitu | Monthly Averages | Multiple | Download | |
|
151 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ CATS GC measurements. |
Halocompounds | HCFC-142b (hcfc142b) |
Insitu | Daily Averages | Multiple | Download | |
|
152 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ CATS GC measurements. |
Halocompounds | HCFC-142b (hcfc142b) |
Insitu | Hourly Averages | Multiple | Download | |
|
153 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ CATS GC measurements. |
Halocompounds | HCFC-142b (hcfc142b) |
Insitu | Monthly Averages | Multiple | Download | |
|
154 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ CATS GC measurements. |
Halocompounds | HCFC-22 (hcfc22) |
Insitu | Daily Averages | Multiple | Download | |
|
155 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ CATS GC measurements. |
Halocompounds | HCFC-22 (hcfc22) |
Insitu | Hourly Averages | Multiple | Download | |
|
156 |
Barrow Atmospheric Baseline Observatory, United States (BRW) Continuous in-situ CATS GC measurements. |
Halocompounds | HCFC-22 (hcfc22) |
Insitu | Monthly Averages | Multiple | Download | |
|
157 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | Acetylene (C2H2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
158 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | Ethane (C2H6) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
159 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | Propane (C3H8) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
160 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | Benzene (C6H6) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
161 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | PFC-14 (CF4) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
162 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | CFC-115 (CClF2CF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
163 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | CFC-11 (CCl3F (ion 103)) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
164 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | CFC-13 (CClF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
165 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | Methelyne Bromide (CH2Br2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
166 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | Methyl Chloroform (97) (CH3CCl3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
167 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | Chloroform (CHCl3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
168 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | ethylene dichloride (1,2 DCE) (CH2ClCH2Cl) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
169 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | Halon-1301 (CF3Br) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
170 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | Halon-2402 (CBrF2CBrF2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
171 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | HCFC-133a (CH2ClCF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
172 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | HCFC-22 (CHF2Cl) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
173 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | HFC-125 (CHF2CF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
174 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | HFC-134a (CH2FCF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
175 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | HFC-143a (CH3CF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
176 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | HFC-152a (CH3CHF2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
177 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | HFC-227ea (CF3CHFCF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
178 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | HFC-236fa (CF3CH2CF3) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
179 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | HFC-32 (CH2F2) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
180 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | PFC-218 (C3F8) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
181 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | Perfluorotriethylamine (PFTEA) ((C2F5)3N) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
182 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | Perfluorotripropylamine (PFTPA) ((C3F7)3N) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
183 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | Isobutane (i-C4H10) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
184 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | isopentane (i-C5H12) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
185 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | n-Butane (n-C4H10) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
186 |
Brentwood, Maryland, United States (BWD) Air samples collected in glass flasks. |
Halocompounds | n-Pentane (n-C5H12) |
Surface PFP | Discrete | Multiple | Download | Readme |
|
187 |
Briggsdale, Colorado, United States (CAR) Air samples collected in glass flasks. |
Halocompounds | Acetylene (C2H2) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
|
188 |
Briggsdale, Colorado, United States (CAR) Air samples collected in glass flasks. |
Halocompounds | Ethane (C2H6) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
|
189 |
Briggsdale, Colorado, United States (CAR) Air samples collected in glass flasks. |
Halocompounds | Propane (C3H8) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
|
190 |
Briggsdale, Colorado, United States (CAR) Air samples collected in glass flasks. |
Halocompounds | Benzene (C6H6) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
|
191 |
Briggsdale, Colorado, United States (CAR) Air samples collected in glass flasks. |
Halocompounds | PFC-14 (CF4) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
|
192 |
Briggsdale, Colorado, United States (CAR) Air samples collected in glass flasks. |
Halocompounds | CFC-115 (CClF2CF3) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
|
193 |
Briggsdale, Colorado, United States (CAR) Air samples collected in glass flasks. |
Halocompounds | CFC-11 (CCl3F (ion 103)) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
|
194 |
Briggsdale, Colorado, United States (CAR) Air samples collected in glass flasks. |
Halocompounds | CFC-13 (CClF3) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
|
195 |
Briggsdale, Colorado, United States (CAR) Air samples collected in glass flasks. |
Halocompounds | Methelyne Bromide (CH2Br2) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
|
196 |
Briggsdale, Colorado, United States (CAR) Air samples collected in glass flasks. |
Halocompounds | Methyl Chloroform (97) (CH3CCl3) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
|
197 |
Briggsdale, Colorado, United States (CAR) Air samples collected in glass flasks. |
Halocompounds | Chloroform (CHCl3) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
|
198 |
Briggsdale, Colorado, United States (CAR) Air samples collected in glass flasks. |
Halocompounds | ethylene dichloride (1,2 DCE) (CH2ClCH2Cl) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
|
199 |
Briggsdale, Colorado, United States (CAR) Air samples collected in glass flasks. |
Halocompounds | Halon-1301 (CF3Br) |
Aircraft PFP | Discrete | Multiple | Download | Readme |
|
200 |
Briggsdale, Colorado, United States (CAR) Air samples collected in glass flasks. |
Halocompounds | Halon-2402 (CBrF2CBrF2) |
Aircraft PFP | Discrete | Multiple | Download | Readme |