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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.


Select from the following lists to narrow your search.
Category
Type
Insitu (16)
Flask (10)
Frequency
Site  
NWR (26)
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26 Datasets filtered from 3331 originally. Reset all Filters

Displaying [1 - 26] of 26 records.    
Dataset Number Site Category Name Type Frequency Year Data Readme
1
Niwot Ridge, Colorado, United States (NWR)
Continuous in-situ CATS GC measurements.
Halocompounds Carbon Tetrachloride
(CCl4)
Insitu Monthly Averages Multiple Download
2
Niwot Ridge, Colorado, United States (NWR)
Continuous in-situ CATS GC measurements.
Halocompounds Methyl Chloroform
(CH3CCl3)
Insitu Monthly Averages Multiple Download
3
Niwot Ridge, Colorado, United States (NWR)
Continuous in-situ CATS GC measurements.
Halocompounds CFC-11
(cfc11)
Insitu Monthly Averages Multiple Download
4
Niwot Ridge, Colorado, United States (NWR)
Continuous in-situ CATS GC measurements.
Halocompounds CFC-113
(cfc113)
Insitu Monthly Averages Multiple Download
5
Niwot Ridge, Colorado, United States (NWR)
Continuous in-situ CATS GC measurements.
Halocompounds CFC-12
(cfc12)
Insitu Monthly Averages Multiple Download
6
Niwot Ridge, Colorado, United States (NWR)
Continuous in-situ CATS GC measurements.
Halocompounds Methyl Chloride
(ch3cl)
Insitu Monthly Averages Multiple Download
7
Niwot Ridge, Colorado, United States (NWR)
Continuous in-situ CATS GC measurements.
Halocompounds Halon-1211
(h1211)
Insitu Monthly Averages Multiple Download
8
Niwot Ridge, Colorado, United States (NWR)
Continuous in-situ CATS GC measurements.
Halocompounds HCFC-142b
(hcfc142b)
Insitu Monthly Averages Multiple Download
9
Niwot Ridge, Colorado, United States (NWR)
Continuous in-situ CATS GC measurements.
Halocompounds HCFC-22
(hcfc22)
Insitu Monthly Averages Multiple Download
10
Niwot Ridge, Colorado, United States (NWR)
Continuous in-situ CATS GC measurements.
Greenhouse Gases Nitrous Oxide
(n2o)
Insitu Monthly Averages Multiple Download
11
Niwot Ridge, Colorado, United States (NWR)
Continuous in-situ CATS GC measurements.
Greenhouse Gases Sulfur Hexafluoride
(sf6)
Insitu Monthly Averages Multiple Download
12
Niwot Ridge, Colorado, United States (NWR)
Continuous in-situ RITS GC measurements.
Halocompounds Carbon Tetrachloride
(CCl4)
Insitu Monthly Averages Multiple Download
13
Niwot Ridge, Colorado, United States (NWR)
Continuous in-situ RITS GC measurements.
Halocompounds Methyl Chloroform
(CH3CCl3)
Insitu Monthly Averages Multiple Download
14
Niwot Ridge, Colorado, United States (NWR)
Continuous in-situ RITS GC measurements.
Halocompounds CFC-11
(cfc11)
Insitu Monthly Averages Multiple Download
15
Niwot Ridge, Colorado, United States (NWR)
Continuous in-situ RITS GC measurements.
Halocompounds CFC-12
(cfc12)
Insitu Monthly Averages Multiple Download
16
Niwot Ridge, Colorado, United States (NWR)
Continuous in-situ RITS GC measurements.
Greenhouse Gases Nitrous Oxide
(n2o)
Insitu Monthly Averages Multiple Download
17
Niwot Ridge, Colorado, United States (NWR)
Air samples collected in glass flasks.
Greenhouse Gases Methane
(CH4)
Flask Monthly Averages Multiple Download Readme
18
Niwot Ridge, Colorado, United States (NWR)
Air samples collected in glass flasks.
Greenhouse Gases C13/C12 in Methane
(d13C (CH4))
Flask Monthly Averages Multiple Download Readme
19
Niwot Ridge, Colorado, United States (NWR)
Air samples collected in glass flasks.
Greenhouse Gases Carbon Monoxide
(CO)
Flask Monthly Averages Multiple Download Readme
20
Niwot Ridge, Colorado, United States (NWR)
Air samples collected in glass flasks.
Greenhouse Gases Carbon Dioxide
(CO2)
Flask Monthly Averages Multiple Download Readme
21
Niwot Ridge, Colorado, United States (NWR)
Air samples collected in glass flasks.
Greenhouse Gases C13/C12 in Carbon Dioxide
(d13C (CO2))
Flask Monthly Averages Multiple Download Readme
22
Niwot Ridge, Colorado, United States (NWR)
Air samples collected in glass flasks.
Greenhouse Gases C14/C in Carbon Dioxide
(D14C (CO2))
Flask Monthly Averages Multiple Download Readme
23
Niwot Ridge, Colorado, United States (NWR)
Air samples collected in glass flasks.
Greenhouse Gases O18/O16 in Carbon Dioxide
(d18O (CO2))
Flask Monthly Averages Multiple Download Readme
24
Niwot Ridge, Colorado, United States (NWR)
Air samples collected in glass flasks.
Greenhouse Gases Molecular Hydrogen
(H2)
Flask Monthly Averages Multiple Download Readme
25
Niwot Ridge, Colorado, United States (NWR)
Air samples collected in glass flasks.
Greenhouse Gases Nitrous Oxide
(N2O)
Flask Monthly Averages Multiple Download Readme
26
Niwot Ridge, Colorado, United States (NWR)
Air samples collected in glass flasks.
Greenhouse Gases Sulfur Hexafluoride
(SF6)
Flask Monthly Averages Multiple Download Readme
Displaying [1 - 26] of 26 records.    

Dataset list last updated on 30 May 2020
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