U.S. FlagAn official website of the United States government
icon dot gov
Official websites use .gov

A .gov website belongs to an official government organization in the United States.

icon https
Secure .gov websites use HTTPS

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.


Select from the following lists to narrow your search.
Category
Type
Frequency
Discrete (35)
Site  
TMD (35)
  or enter search term:
35 Datasets filtered from 4840 originally. Reset all Filters

Displaying [1 - 35] of 35 records.    
Dataset Number Site Category Name Type Frequency Year Data Readme
1
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Halocompounds Acetylene
(C2H2)
Surface PFP Discrete Multiple Download Readme
2
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Halocompounds Ethane
(C2H6)
Surface PFP Discrete Multiple Download Readme
3
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Halocompounds Propane
(C3H8)
Surface PFP Discrete Multiple Download Readme
4
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Halocompounds Benzene
(C6H6)
Surface PFP Discrete Multiple Download Readme
5
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Halocompounds PFC-14
(CF4)
Surface PFP Discrete Multiple Download Readme
6
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Halocompounds CFC-115
(CClF2CF3)
Surface PFP Discrete Multiple Download Readme
7
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Halocompounds CFC-11
(CCl3F (ion 103))
Surface PFP Discrete Multiple Download Readme
8
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Halocompounds CFC-13
(CClF3)
Surface PFP Discrete Multiple Download Readme
9
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Halocompounds Methylene Bromide
(CH2Br2)
Surface PFP Discrete Multiple Download Readme
10
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Halocompounds Methyl Chloroform (97)
(CH3CCl3)
Surface PFP Discrete Multiple Download Readme
11
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Halocompounds Chloroform
(CHCl3)
Surface PFP Discrete Multiple Download Readme
12
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Halocompounds ethylene dichloride (1,2 DCE)
(CH2ClCH2Cl)
Surface PFP Discrete Multiple Download Readme
13
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Halocompounds Halon-1301
(CF3Br)
Surface PFP Discrete Multiple Download Readme
14
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Halocompounds Halon-2402
(CBrF2CBrF2)
Surface PFP Discrete Multiple Download Readme
15
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Halocompounds HCFC-133a
(CH2ClCF3)
Surface PFP Discrete Multiple Download Readme
16
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Halocompounds HCFC-22
(CHF2Cl)
Surface PFP Discrete Multiple Download Readme
17
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Halocompounds HFC-125
(CHF2CF3)
Surface PFP Discrete Multiple Download Readme
18
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Halocompounds HFC-134a
(CH2FCF3)
Surface PFP Discrete Multiple Download Readme
19
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Halocompounds HFC-143a
(CH3CF3)
Surface PFP Discrete Multiple Download Readme
20
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Halocompounds HFC-152a
(CH3CHF2)
Surface PFP Discrete Multiple Download Readme
21
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Halocompounds HFC-227ea
(CF3CHFCF3)
Surface PFP Discrete Multiple Download Readme
22
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Halocompounds HFC-236fa
(CF3CH2CF3)
Surface PFP Discrete Multiple Download Readme
23
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Halocompounds HFC-32
(CH2F2)
Surface PFP Discrete Multiple Download Readme
24
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Halocompounds PFC-218
(C3F8)
Surface PFP Discrete Multiple Download Readme
25
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Halocompounds Perfluorotriethylamine (PFTEA)
((C2F5)3N)
Surface PFP Discrete Multiple Download Readme
26
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Halocompounds Perfluorotripropylamine (PFTPA)
((C3F7)3N)
Surface PFP Discrete Multiple Download Readme
27
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Greenhouse Gases Methane
(CH4)
Surface PFP Discrete Multiple Download Readme
28
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Greenhouse Gases Carbon Monoxide
(CO)
Surface PFP Discrete Multiple Download Readme
29
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Greenhouse Gases Carbon Dioxide
(CO2)
Surface PFP Discrete Multiple Download Readme
30
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Halocompounds Isobutane
(i-C4H10)
Surface PFP Discrete Multiple Download Readme
31
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Halocompounds isopentane
(i-C5H12)
Surface PFP Discrete Multiple Download Readme
32
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Greenhouse Gases Nitrous Oxide
(N2O)
Surface PFP Discrete Multiple Download Readme
33
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Halocompounds n-Butane
(n-C4H10)
Surface PFP Discrete Multiple Download Readme
34
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Halocompounds n-Pentane
(n-C5H12)
Surface PFP Discrete Multiple Download Readme
35
Thurmont, Maryland, United States (TMD)
Air samples collected in glass flasks.
Greenhouse Gases Sulfur Hexafluoride
(SF6)
Surface PFP Discrete Multiple Download Readme
Displaying [1 - 35] of 35 records.    

Dataset list last updated on 12 October 2024
Please send feedback on this page to ESRL/GML Webmaster