Dr. Bryan Duncan

Email: bryan.n.duncan@nasa.gov

NASA Goddard Space Flight Center
Duncan Bio

Bryan Duncan is a Research Physical Scientist in the Atmospheric Chemistry & Dynamics Laboratory of the NASA Goddard Space Flight Center (GSFC), as well as the Project Scientist for the NASA Aura satellite mission.

Bryan’s HAQAST team is developing a multi-pollutant Health Air Quality Index (HAQI) and is applying it to output from the new NASA global air quality forecast system, which wit is helping to evaluate and improve. This system is important as most people around the world have little or no access to air quality information. The forecasted HAQI will communicate the risks of exposure to multiple air pollutants so that people may take action to reduce their exposure. We are currently working with a few city governments, including Rio de Janeiro and Jakarta, to properly message and distribute the forecasts as well as to provide satellite data that may be used to identify where local efforts are needed to reduce emissions. We will also investigate the development of a satellite-based HAQI.

Tiger Teams

Bryan contributes to or leads the following Tiger Teams:

HAQAST Presentations



Using satellites to track indicators of global air pollution and climate change impacts: Lessons learned from a NASA-supported science-stakeholder collaborative

Susan C. Anenberg, Matilyn Bindl, Michael Brauer, Juan J. Castillo, Sandra Cavalieri, Bryan N. DuncanArlene M. Fiore, Richard Fuller, Daniel L. Goldberg, Daven K. Henze, Jeremy Hess, Tracey Holloway, Peter James, Xiaomeng Jin, Iyad Kheirbek, Patrick L. Kinney, Yang Liu, Arash Mohegh, Jonathan Patz, Marcia P. Jimenez, Ananya Roy, Daniel Tong, Katy Walker, Nick Watts, J. Jason WestAdvancing Earth and Space


The benefits of lower ozone due to air pollution emissions reductions (2002-2011) in the Eastern US during extreme heat

Melanie B. Follette-Cook, Bryan N. Duncan, Jennifer Hains, Kenneth E. Pickering, Justin Moy, Maria Tzortziou, Journal of the Air & Waste Management Association


A methodology to constrain carbon dioxide emissions from coal-fired power plants using satellite observations of co-emitted nitrogen dioxide

Fei Liu, Bryan N. Duncan, Nickolay A. Krotkov, Lok N. Lamsal, Steffen Beirle, Debora Griffin, Chris A. McLinden, Daniel L. Goldberg, Zifeng Lu, Atmospheric Chemistry and Physics



Exploiting OMI NO2 satellite observations to infer fossil-fuel CO2 emissions from U.S. megacities

Daniel L. Goldberg, Zifeng Lu, Tomohiro Oda, Lok N. Lamsal, Fei Liu, Debora Griffin, Chris A. McLinden, Nickolay A. Krotkov, Bryan N. Duncan, David G. Streets, Science of The Total Environment


Air Pollution Monitoring for Health Research and Patient Care. An Official American Thoracic Society Workshop Report

Kevin R CromarBryan N DuncanAlena BartonovaKristen BenedictMichael BrauerRima HabreGayle S W HaglerJohn A HaynesSean KhanVasu KilaruYang LiuSteven PawsonDavid B PedenJennifer K QuintMary B RiceErika N SasserEdmund SetoSusan L StoneGeorge D ThurstonJohn Volckens, Annals of the American Thoracic Society

Satellites See the World’s Atmosphere

S. A. AckermanS. PlatnickP. K. BhartiaB. DuncanT. L’EcuyerA. HeidingerG. Skofronick-JacksonN. LoebT. Schmit, and N. Smith


Earth Observations and Integrative Models in Support of Food and Water Security

Stephanie Schollaert Uz, Alex C. Ruane, Bryan N. Duncan, Compton J. Tucker, George J. Huffman, Iliana E. Mladenova, Batuhan Osmanoglu, Thomas R. H. Holmes, Amy McNally, Christa Peters-Lidard, John D. Bolten, Narendra Das, Matthew Rodell, Sean McCartney, Martha C. Anderson, Brad Doorn, Remote Sensing in Earth Systems Sciences


Estimates of the Global Burden of Ambient PM2.5, Ozone, and NO2 on Asthma Incidence and Emergecy Room Visits

Susan C. Anenberg, Daven K. Henze, Veronica Tinney, Patrick L. Kinney, William Raich, Neal Fann, Chris S. Malley, Henry Roman, Lok Lamsal, Bryan Duncan, Randall V. Martin, Aaron von Donkelaar, Michael Brauer, Ruth Doherty, Jan Eiof Jonson, Yanko Davila, Kengo Sudo, and Johan C.I. Kuylenstierna, Environmental Health Perspectives

Decadal Survey for Earth Science and Applications from Space

Two HAQAST members (Bryan Duncan and Ted Russell) are among the authors of the Weather and Air Quality panel, HAQAST collaborator Steve Ackerman co-chaired the panel, and team leader Tracey Holloway was a review



Stratospheric Intrusion‐Influenced Ozone Air Quality Exceedances Investigated in the NASA MERRA‐2 Reanalysis


Evaluating a Space‐Based Indicator of Surface Ozone‐NOx‐VOC Sensitivity Over Midlatitude Source Regions and Application to Decadal Trends


A decade of changes in nitrogen oxides over regions of oil and natural gas activity in the United States

Aman MajidMaria Val Martin, Lok N. Lamsal, Bryan N. Duncan, Elementa: Science of the Anthropocene

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