The U.S. government is closed. This site will not be updated; however, NOAA websites and social media channels necessary to protect lives and property will be maintained.

To learn more, visit commerce.gov.

For the latest forecasts and critical weather information, visit weather.gov.

Observation Sites

Select single site by:

Station Name

Station Code

or Select multiple sites by:

Country

or by:

Program

Show only active sites

Reset

Yellow markers indicate discontinued sites

Key Biscayne, Florida, United States [KEY]

Location

Country: United States
Latitude: 25.6654° North
Longitude: 80.158° West
Elevation: 1.00 masl
Time Zone: Local Standard Time + 5.0 hour(s) = UTC

Data

Cooperating Agencies

NOAA Atlantic Oceanographic and Meteorological Laboratory

GML Projects at Key Biscayne, Florida

Carbon Cycle Surface Flasks

Parameter	Formula	First Sample Date	Status
Carbon Dioxide	CO₂	1972-12-13	Ongoing
Methane	CH₄	1983-10-12	Ongoing
Carbon Monoxide	CO	1990-11-15	Ongoing
Molecular Hydrogen	H₂	1990-11-15	Ongoing
Nitrous Oxide	N₂O	1997-03-30	Ongoing
Sulfur Hexafluoride	SF₆	1997-03-30	Ongoing
Carbon-13/Carbon-12 in Carbon Dioxide	d¹³C (CO₂)	1991-08-08	Ongoing
Oxygen-18/Oxygen-16 in Carbon Dioxide	d¹⁸O (CO₂)	1991-08-08	Ongoing
Methyl Chloride	CH₃Cl	2006-02-09	Terminated - 2018-06-01
Benzene	C₆H₆	2010-05-21	Terminated - 2018-06-01
Toluene	C₇H₈	2010-05-21	Terminated - 2018-06-01
Ethane	C₂H₆	2006-02-09	Terminated - 2018-06-01
Ethene	C₂H₄	2006-02-09	Terminated - 2018-06-01
Propane	C₃H₈	2006-02-09	Terminated - 2018-06-01
Propene	C₃H₆	2006-02-09	Terminated - 2018-06-01
i-Butane	i-C₄H₁₀	2006-02-09	Terminated - 2018-06-01
n-Butane	n-C₄H₁₀	2006-02-09	Terminated - 2018-06-01
i-Pentane	i-C₅H₁₂	2006-02-09	Terminated - 2018-06-01
n-Pentane	n-C₅H₁₂	2006-02-09	Terminated - 2018-06-01
n-Hexane	n-C₆H₁₄	2006-02-09	Terminated - 2018-06-01
isoprene	C₅H₈	2010-05-21	Terminated - 2018-06-01
Acetylene	C₂H₂	2010-05-21	Terminated - 2018-06-01