Articles | Volume 24, issue 22
https://doi.org/10.5194/acp-24-12903-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-24-12903-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
21 Nov 2024
Research article |
| 21 Nov 2024
| 21 Nov 2024
Role of chemical production and depositional losses on formaldehyde in the Community Regional Atmospheric Chemistry Multiphase Mechanism (CRACMM)
T. Nash Skipper
Oak Ridge Institute for Science and Education, Office of Research and Development, US Environmental Protection Agency, Research Triangle Park, North Carolina, USA
Office of Research and Development, US Environmental Protection Agency, Research Triangle Park, North Carolina, USA
Emma L. D'Ambro
Office of Research and Development, US Environmental Protection Agency, Research Triangle Park, North Carolina, USA
Forwood C. Wiser
Department of Chemical Engineering, Columbia University, New York, New York, USA
V. Faye McNeill
Department of Chemical Engineering, Columbia University, New York, New York, USA
Department of Earth and Environmental Sciences, Columbia University, New York, New York, USA
Rebecca H. Schwantes
Chemical Sciences Laboratory, National Oceanic and Atmospheric Administration, Boulder, Colorado, USA
Barron H. Henderson
Office of Air and Radiation, US Environmental Protection Agency, Research Triangle Park, North Carolina, USA
Ivan R. Piletic
Office of Research and Development, US Environmental Protection Agency, Research Triangle Park, North Carolina, USA
Colleen B. Baublitz
Office of Air and Radiation, US Environmental Protection Agency, Research Triangle Park, North Carolina, USA
Jesse O. Bash
Office of Research and Development, US Environmental Protection Agency, Research Triangle Park, North Carolina, USA
Andrew R. Whitehill
Office of Research and Development, US Environmental Protection Agency, Research Triangle Park, North Carolina, USA
Lukas C. Valin
Office of Research and Development, US Environmental Protection Agency, Research Triangle Park, North Carolina, USA
Asher P. Mouat
School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, GA, USA
Jennifer Kaiser
School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, GA, USA
School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA, USA
Glenn M. Wolfe
Atmospheric Chemistry and Dynamics Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD, USA
Jason M. St. Clair
Atmospheric Chemistry and Dynamics Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD, USA
Joint Center for Earth Systems Technology, University of Maryland, Baltimore County, Baltimore, MD, USA
Thomas F. Hanisco
Atmospheric Chemistry and Dynamics Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD, USA
Alan Fried
Institute of Arctic and Alpine Research (INSTAAR), University of Colorado Boulder, Boulder, CO, USA
Bryan K. Place
Atmospheric Chemistry and Dynamics Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD, USA
SciGlob Instruments and Services, LLC, Columbia, MD, USA
Office of Research and Development, US Environmental Protection Agency, Research Triangle Park, North Carolina, USA
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Latest update: 23 Jan 2026
Short summary
We develop the Community Regional Atmospheric Chemistry Multiphase Mechanism (CRACMM) version 2 to improve predictions of formaldehyde in ambient air compared to satellite-, aircraft-, and ground-based observations. With the updated chemistry, we estimate the cancer risk from inhalation exposure to ambient formaldehyde across the contiguous USA and predict that 40 % of this risk is controllable through reductions in anthropogenic emissions of nitrogen oxides and reactive organic carbon.
We develop the Community Regional Atmospheric Chemistry Multiphase Mechanism (CRACMM) version 2...
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