-
Federal
Observations of carbon dioxide (CO2), methane (CH4), and carbon monoxide (CO) mole fractions from the Los Angeles Megacity Carbon Project
National Institute of Standards and Technology —
Updated April 2025. Here we provide hourly observations of carbon dioxide (CO2), methane (CH4), and carbon monoxide (CO) mole fractions in dry air from tower- and... -
Federal
In Situ Carbon Dioxide, Methane, and Carbon Monoxide Mole Fractions from the Los Angeles Megacity Carbon Project
National Institute of Standards and Technology —
NOTE: please see the latest (April 2025) update at https://doi.org/10.18434/mds2-3814 . Hourly observations of carbon dioxide (CO2) and methane (CH4) mole fractions... -
Federal
Observations of carbon dioxide (CO2), methane (CH4), and carbon monoxide (CO) mole fractions from the NIST Northeast Corridor urban testbed
National Institute of Standards and Technology —
March 2025 Update. Here we provide hourly observations of atmospheric carbon dioxide (CO2), methane (CH4), and (for a few sites) carbon monoxide (CO) from tower-based... -
Federal
The U.S. Greenhouse Gas and Air Pollutant Emissions System (GRA2PES)
National Institute of Standards and Technology —
To bridge the gap between the development of greenhouse gas (GHG) and air quality (AQ) emission inventories, we developed the GReenhouse gas And Air Pollutant... -
Federal
Hestia Fossil Fuel Carbon Dioxide Emissions for Baltimore, Maryland
National Institute of Standards and Technology —
Hestia Project quantifies, simulates and visualizes greenhouse gases such as carbon dioxide emitted in urban regions. Baltimore, Maryland activity is provided at the... -
Federal
Hestia Fossil Fuel Carbon Dioxide (FFCO2) Data Product -- NE corridor domain, Version 1.0 Beta, 0.01 degree grid
National Institute of Standards and Technology —
The Hestia NE corridor version 1.0 Beta FFCO2 emissions data product represents emissions from the combustion of fossil fuels and cement production in 12 counties in... -
Federal
Observations of carbon dioxide (CO2), methane (CH4), and carbon monoxide (CO) mole fractions from the NIST Northeast Corridor urban testbed
National Institute of Standards and Technology —
NOTE: please see the latest (March 2025) update at https://doi.org/10.18434/mds2-3765 . This archive is from May 2023. See Updates document for specific major and...