Location
- Country: United States
- Latitude: 55.2100° North
- Longitude: 162.72° West
- Elevation: 21.34 masl
- Time Zone: Local Standard Time + 9.0 hour(s) = UTC
| Parameter | Formula | First Sample Date | Status |
|---|---|---|---|
| Carbon Dioxide | CO2 | 1978-08-21 | Ongoing |
| Methane | CH4 | 1983-05-16 | Ongoing |
| Carbon Monoxide | CO | 1990-11-26 | Ongoing |
| Molecular Hydrogen | H2 | 1990-11-26 | Ongoing |
| Nitrous Oxide | N2O | 1995-12-21 | Ongoing |
| Sulfur Hexafluoride | SF6 | 1995-12-21 | Ongoing |
| Carbon-13/Carbon-12 in Carbon Dioxide | d13C (CO2) | 1992-04-09 | Ongoing |
| Oxygen-18/Oxygen-16 in Carbon Dioxide | d18O (CO2) | 1992-04-09 | Ongoing |
| Carbon-13/Carbon-12 in Methane | d13C (CH4) | 2000-08-27 | Ongoing |
| D/H in Methane | dD (CH4) | 2005-05-05 | Terminated - 2010-03-20 |
| Methyl Chloride | CH3Cl | 2000-12-28 | Terminated - 2018-07-05 |
| Benzene | C6H6 | 2000-12-28 | Terminated - 2018-07-05 |
| Methylbenzene | C7H8 | 2000-12-28 | Terminated - 2018-07-05 |
| Ethane | C2H6 | 2000-12-28 | Terminated - 2018-07-05 |
| Ethylene | C2H4 | 2000-12-28 | Terminated - 2018-07-05 |
| Propane | C3H8 | 2000-12-28 | Terminated - 2018-07-05 |
| Propylene | C3H6 | 2000-12-28 | Terminated - 2018-07-05 |
| Isobutane | i-C4H10 | 2000-12-28 | Terminated - 2018-07-05 |
| n-Butane | n-C4H10 | 2000-12-28 | Terminated - 2018-07-05 |
| isopentane | i-C5H12 | 2000-12-28 | Terminated - 2018-07-05 |
| n-Pentane | n-C5H12 | 2000-12-28 | Terminated - 2018-07-05 |
| n-Hexane | n-C6H14 | 2000-12-28 | Terminated - 2018-07-05 |
| isoprene | C5H8 | 2000-12-28 | Terminated - 2018-07-05 |
| Acetylene | C2H2 | 2000-12-28 | Terminated - 2018-07-05 |
U.S. National Weather Service