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 |
|---|---|---|---|---|---|---|---|---|
|
1751 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ CATS GC measurements. |
Halocompounds | CFC-11 (cfc11) |
Insitu | Hourly Averages | Multiple | Download | |
|
1752 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ CATS GC measurements. |
Halocompounds | CFC-11 (cfc11) |
Insitu | Monthly Averages | Multiple | Download | |
|
1753 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ RITS GC measurements. |
Halocompounds | CFC-11 (cfc11) |
Insitu | Daily Averages | Multiple | Download | |
|
1754 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ RITS GC measurements. |
Halocompounds | CFC-11 (cfc11) |
Insitu | Hourly Averages | Multiple | Download | |
|
1755 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ RITS GC measurements. |
Halocompounds | CFC-11 (cfc11) |
Insitu | Monthly Averages | Multiple | Download | |
|
1756 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ CATS GC measurements. |
Halocompounds | CFC-113 (cfc113) |
Insitu | Daily Averages | Multiple | Download | |
|
1757 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ CATS GC measurements. |
Halocompounds | CFC-113 (cfc113) |
Insitu | Hourly Averages | Multiple | Download | |
|
1758 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ CATS GC measurements. |
Halocompounds | CFC-113 (cfc113) |
Insitu | Monthly Averages | Multiple | Download | |
|
1759 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ CATS GC measurements. |
Halocompounds | CFC-12 (cfc12) |
Insitu | Daily Averages | Multiple | Download | |
|
1760 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ CATS GC measurements. |
Halocompounds | CFC-12 (cfc12) |
Insitu | Hourly Averages | Multiple | Download | |
|
1761 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ CATS GC measurements. |
Halocompounds | CFC-12 (cfc12) |
Insitu | Monthly Averages | Multiple | Download | |
|
1762 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ RITS GC measurements. |
Halocompounds | CFC-12 (cfc12) |
Insitu | Daily Averages | Multiple | Download | |
|
1763 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ RITS GC measurements. |
Halocompounds | CFC-12 (cfc12) |
Insitu | Hourly Averages | Multiple | Download | |
|
1764 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ RITS GC measurements. |
Halocompounds | CFC-12 (cfc12) |
Insitu | Monthly Averages | Multiple | Download | |
|
1765 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ CATS GC measurements. |
Halocompounds | Methyl Chloride (ch3cl) |
Insitu | Daily Averages | Multiple | Download | |
|
1766 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ CATS GC measurements. |
Halocompounds | Methyl Chloride (ch3cl) |
Insitu | Hourly Averages | Multiple | Download | |
|
1767 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ CATS GC measurements. |
Halocompounds | Methyl Chloride (ch3cl) |
Insitu | Monthly Averages | Multiple | Download | |
|
1768 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ CATS GC measurements. |
Halocompounds | Halon-1211 (h1211) |
Insitu | Daily Averages | Multiple | Download | |
|
1769 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ CATS GC measurements. |
Halocompounds | Halon-1211 (h1211) |
Insitu | Hourly Averages | Multiple | Download | |
|
1770 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ CATS GC measurements. |
Halocompounds | Halon-1211 (h1211) |
Insitu | Monthly Averages | Multiple | Download | |
|
1771 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ CATS GC measurements. |
Halocompounds | HCFC-142b (hcfc142b) |
Insitu | Daily Averages | Multiple | Download | |
|
1772 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ CATS GC measurements. |
Halocompounds | HCFC-142b (hcfc142b) |
Insitu | Hourly Averages | Multiple | Download | |
|
1773 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ CATS GC measurements. |
Halocompounds | HCFC-142b (hcfc142b) |
Insitu | Monthly Averages | Multiple | Download | |
|
1774 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ CATS GC measurements. |
Halocompounds | HCFC-22 (hcfc22) |
Insitu | Daily Averages | Multiple | Download | |
|
1775 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ CATS GC measurements. |
Halocompounds | HCFC-22 (hcfc22) |
Insitu | Hourly Averages | Multiple | Download | |
|
1776 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ CATS GC measurements. |
Halocompounds | HCFC-22 (hcfc22) |
Insitu | Monthly Averages | Multiple | Download | |
|
1777 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ CATS GC measurements. |
Greenhouse Gases | Nitrous Oxide (n2o) |
Insitu | Daily Averages | Multiple | Download | |
|
1778 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ CATS GC measurements. |
Greenhouse Gases | Nitrous Oxide (n2o) |
Insitu | Hourly Averages | Multiple | Download | |
|
1779 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ CATS GC measurements. |
Greenhouse Gases | Nitrous Oxide (n2o) |
Insitu | Monthly Averages | Multiple | Download | |
|
1780 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ RITS GC measurements. |
Greenhouse Gases | Nitrous Oxide (n2o) |
Insitu | Daily Averages | Multiple | Download | |
|
1781 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ RITS GC measurements. |
Greenhouse Gases | Nitrous Oxide (n2o) |
Insitu | Hourly Averages | Multiple | Download | |
|
1782 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ RITS GC measurements. |
Greenhouse Gases | Nitrous Oxide (n2o) |
Insitu | Monthly Averages | Multiple | Download | |
|
1783 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ CATS GC measurements. |
Greenhouse Gases | Sulfur Hexafluoride (sf6) |
Insitu | Daily Averages | Multiple | Download | |
|
1784 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ CATS GC measurements. |
Greenhouse Gases | Sulfur Hexafluoride (sf6) |
Insitu | Hourly Averages | Multiple | Download | |
|
1785 |
Niwot Ridge, Colorado, United States (NWR) Continuous in-situ CATS GC measurements. |
Greenhouse Gases | Sulfur Hexafluoride (sf6) |
Insitu | Monthly Averages | Multiple | Download | |
|
1786 |
Niwot Ridge, Colorado, United States (NWR) Continuous measurements of surface ozone. |
Ozone | Ozone (O3) |
Insitu | Hourly Averages | Multiple | Go To Directory | Readme |
|
1787 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Discrete | Multiple | Download | Readme |
|
1788 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Greenhouse Gases | Methane (CH4) |
Flask | Monthly Averages | Multiple | Download | Readme |
|
1789 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Greenhouse Gases | C13/C12 in Methane (d13C (CH4)) |
Flask | Discrete | Multiple | Download | Readme |
|
1790 |
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 |
|
1791 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Monoxide (CO) |
Flask | Discrete | Multiple | Download | Readme |
|
1792 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Monoxide (CO) |
Flask | Monthly Averages | Multiple | Download | Readme |
|
1793 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Dioxide (CO2) |
Flask | Discrete | Multiple | Download | Readme |
|
1794 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Greenhouse Gases | Carbon Dioxide (CO2) |
Flask | Monthly Averages | Multiple | Download | Readme |
|
1795 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Greenhouse Gases | C13/C12 in Carbon Dioxide (d13C (CO2)) |
Flask | Discrete | Multiple | Download | Readme |
|
1796 |
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 |
|
1797 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Greenhouse Gases | C14/C in Carbon Dioxide (D14C (CO2)) |
Flask | Discrete | Multiple | Download | Readme |
|
1798 |
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 |
|
1799 |
Niwot Ridge, Colorado, United States (NWR) Air samples collected in glass flasks. |
Greenhouse Gases | O18/O16 in Carbon Dioxide (d18O (CO2)) |
Flask | Discrete | Multiple | Download | Readme |
|
1800 |
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 |