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:
or Select multiple sites by:
or by:

Reset

Yellow markers indicate discontinued sites

NE Baltimore, Maryland, United States [NEB]

site location map

Location

  • Country: United States Country Flag
  • Latitude: 39.3154° North
  • Longitude: 76.583° West
  • Elevation: 44.00 masl
  • Time Zone: Local Standard Time + 5.0 hour(s) = UTC

Data

Cooperating Agencies

  • NIST and Earth Networks

Earth Networks ID GHG59; FCC 1009344

GML Projects at NE Baltimore, Maryland

Carbon Cycle Surface Flasks

Parameter Formula First Sample Date Status
Carbon Dioxide CO2 2018-04-04 Ongoing
Methane CH4 2018-04-04 Ongoing
Carbon Monoxide CO 2018-04-04 Ongoing
Molecular Hydrogen H2 2018-04-04 Ongoing
Nitrous Oxide N2O 2018-04-04 Ongoing
Sulfur Hexafluoride SF6 2018-04-04 Ongoing
Sulfur Hexafluoride SF6 2018-04-04 Ongoing
Carbon-14/Carbon in Carbon Dioxide D14C (CO2) 2018-04-29 Ongoing
HFC-134a CH2FCF3 2018-04-04 Ongoing
HCFC-22 CHF2Cl 2018-04-04 Ongoing
CFC-12 CCl2F2 2018-04-04 Ongoing
Methyl Chloride CH3Cl 2018-04-04 Ongoing
CFC-114 CFC-114 2018-04-04 Ongoing
HCFC-142b CH3CF2Cl 2018-04-04 Ongoing
Halon-1211 CBrClF2 2018-04-04 Ongoing
Methyl Bromide CH3Br 2018-04-04 Ongoing
CFC-11 CCl3F (ion 103) 2018-04-04 Ongoing
HCFC-141b CH3CCl2F 2018-04-04 Ongoing
Methyl Iodide CH3I 2018-04-04 Ongoing
CFC-113 CCl2FCClF2 2018-04-04 Ongoing
Dichloromethane CH2Cl2 2018-04-04 Ongoing
Chloroform CHCl3 2018-04-04 Ongoing
Methyl Chloroform CH3CCl3 2018-04-04 Ongoing
Carbon Tetrachloride CCl4 2018-04-04 Ongoing
Dibromomethane CH2Br2 2018-04-04 Ongoing
Perchloroethylene (PCE) C2Cl4 2018-04-04 Ongoing
Bromoform CHBr3 2018-04-04 Ongoing
Benzene C6H6 2018-04-04 Ongoing
Carbonyl Sulfide COS 2018-04-04 Ongoing
HCFC-21 CHCl2F 2018-04-04 Ongoing
HFC-152a CH3CHF2 2018-04-04 Ongoing
HCFC-124 CHClFCF3 2018-04-04 Ongoing
Toluene C7H8 2022-06-07 Terminated - 2022-06-13
Carbon Disulfide CS2 2018-04-04 Ongoing
Ethane C2H6 2018-04-04 Ongoing
Ethene C2H4 2018-04-04 Ongoing
Propane C3H8 2018-04-04 Ongoing
Propene C3H6 2018-04-04 Ongoing
i-Butane i-C4H10 2018-04-04 Ongoing
n-Butane n-C4H10 2018-04-04 Ongoing
i-Pentane i-C5H12 2018-04-04 Ongoing
n-Pentane n-C5H12 2018-04-04 Ongoing
n-Hexane n-C6H14 2018-04-04 Ongoing
Halon-1301 CF3Br 2018-04-04 Ongoing
Halon-2402 CBrF2CBrF2 2018-04-04 Ongoing
HFC-143a CH3CF3 2018-04-04 Ongoing
HFC-227ea CF3CHFCF3 2018-04-04 Ongoing
HFC-365mfc CH3CF2CH2CF3 2018-04-04 Ongoing
CFC-115 CClF2CF3 2018-04-04 Ongoing
HFC-125 CHF2CF3 2018-04-04 Ongoing
CFC-13 CClF3 2018-04-04 Ongoing
HFC-23 CHF3 2018-04-04 Ongoing
PFC-218 C3F8 2018-04-04 Ongoing
Acetylene C2H2 2018-04-04 Ongoing
HFC-32 CH2F2 2018-04-04 Ongoing
HFC-134 CHF2CHF2 2018-04-04 Ongoing
Halon-1011 CH2BrCl 2018-04-04 Ongoing
PFC-14 CF4 2018-04-04 Ongoing
PFC-116 CF3CF3 2018-04-04 Ongoing
Nitrogen Trifluoride NF3 2018-04-04 Ongoing
Sulfuryl Fluoride SO2F2 2018-04-04 Ongoing
HFC-236fa CF3CH2CF3 2018-04-04 Ongoing
HCFC-133a CH2ClCF3 2018-04-04 Ongoing
CFC-112 CCl3CClF2 2018-04-04 Ongoing
Trichloroethylene (TCE) C2HCl3 2018-04-04 Ongoing
HFO-1234yf CH2=CFCF3 2018-04-04 Ongoing
HFO-1234zeE CHF=CHCF3 2018-04-04 Ongoing
Ethylene Dichloride (1,2 DCE) CH2ClCH2Cl 2018-04-04 Ongoing
HCFC-123 CHCl2CF3 2018-04-04 Ongoing
Morpholine C5F11NO 2018-04-04 Ongoing
Perfluorotriethylamine (PFTEA) (C2F5)3N 2018-04-04 Ongoing
Perfluorotripropylamine (PFTPA) (C3F7)3N 2018-04-04 Ongoing
HFC-245fa 2018-04-04 Ongoing
CFC-113a CCl3CF3 2022-04-12 Ongoing
PFC-318 c-C4F8 2024-10-01 Ongoing