GML Data Finder

Use this web page to find specific data files available from the Global Monitoring Laboratory. Click on the Data button under the 'Data' column heading in the table to go to the description and download page for that dataset.


Select from the following lists to narrow your search.
Category
Halocompounds (66)
Greenhouse Gases (30)
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Parameter  
Ozone (14)
Nitrous Oxide (9)
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Methyl Chloroform (7)
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Carbon Tetrachloride (6)
Sulfur Hexafluoride (6)
HCFC-22 (4)
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HCFC-142b (3)
Halon-1211 (3)
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Molecular Hydrogen (3)
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HCFC-133a (1)
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HFC-134a (1)
HFC-143a (1)
HFC-152a (1)
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HFC-236fa (1)
HFC-32 (1)
Halon-1301 (1)
Halon-2402 (1)
PFC-14 (1)
PFC-218 (1)
Propane (1)
i-Butane (1)
i-Pentane (1)
n-Butane (1)
n-Pentane (1)
Type
Insitu (62)
Surface PFP (33)
Flask (15)
Frequency
Discrete (41)
Hourly Averages (30)
Monthly Averages (23)
Daily Averages (16)
Site  
NWR (110)
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110 Datasets filtered from 5419 originally. Reset all Filters
Displaying [101 - 110] of 110 records.    
Dataset Number Site Category Parameter Type Frequency Year Data
101
 Niwot Ridge, Colorado, United States (NWR)
Continuous measurements of surface ozone at Niwot Ridge, Colorado, United States. 		Ozone Ozone
(O3)		 Insitu Hourly Averages 2022 Data
102
 Niwot Ridge, Colorado, United States (NWR)
Continuous measurements of surface ozone at Niwot Ridge, Colorado, United States. 		Ozone Ozone
(O3)		 Insitu Hourly Averages 2023 Data
103
 Niwot Ridge, Colorado, United States (NWR)
Continuous measurements of surface ozone at Niwot Ridge, Colorado, United States. 		Ozone Ozone
(O3)		 Insitu Hourly Averages 2024 Data
104
 Niwot Ridge, Colorado, United States (NWR)
Monthly averages of CH4 measurements from surface air samples collected in glass flasks at Niwot Ridge, Colorado, United States. 		Greenhouse Gases Methane
(CH4)		 Flask Monthly Averages Multiple Data
105
 Niwot Ridge, Colorado, United States (NWR)
Monthly averages of CH4C13 measurements from surface air samples collected in glass flasks at Niwot Ridge, Colorado, United States. 		Greenhouse Gases C13/C12 in Methane
(d13C (CH4))		 Flask Monthly Averages Multiple Data
106
 Niwot Ridge, Colorado, United States (NWR)
Monthly averages of CO measurements from surface air samples collected in glass flasks at Niwot Ridge, Colorado, United States. 		Greenhouse Gases Carbon Monoxide
(CO)		 Flask Monthly Averages Multiple Data
107
 Niwot Ridge, Colorado, United States (NWR)
Monthly averages of CO2 measurements from surface air samples collected in glass flasks at Niwot Ridge, Colorado, United States. 		Greenhouse Gases Carbon Dioxide
(CO2)		 Flask Monthly Averages Multiple Data
108
 Niwot Ridge, Colorado, United States (NWR)
Monthly averages of H2 measurements from surface air samples collected in glass flasks at Niwot Ridge, Colorado, United States. 		Greenhouse Gases Molecular Hydrogen
(H2)		 Flask Monthly Averages Multiple Data
109
 Niwot Ridge, Colorado, United States (NWR)
Monthly averages of N2O measurements from surface air samples collected in glass flasks at Niwot Ridge, Colorado, United States. 		Greenhouse Gases Nitrous Oxide
(N2O)		 Flask Monthly Averages Multiple Data
110
 Niwot Ridge, Colorado, United States (NWR)
Monthly averages of SF6 measurements from surface air samples collected in glass flasks at Niwot Ridge, Colorado, United States. 		Greenhouse Gases Sulfur Hexafluoride
(SF6)		 Flask Monthly Averages Multiple Data
Displaying [101 - 110] of 110 records.    

Dataset list last updated on 26 May 2026
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