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Deputy Director, Institute for the Environment; Director, Center for Environmental Modeling for Policy Development
(919) 966-2126
Center for Environmental Modeling for Policy Development


Graduate Students
Jeffrey Rissman, M.S., 2011; Matthew Woody, M.S., 2010, Ph.D. 2014;  Scott Boone, M.S., 2015; Pradeepa Vennam, Ph.D., 2016; Chang Shih Ying, Ph.D., 2016; Calvin Arter, Ph.D., 2021,; Alejandro Valencia, Ph.D., 2021; Praful Dodda, Ph.D. Candidate (2019 – Current); Hyeongseok (Darby) Kim, Ph.D. Candidate (2022 – Current);  Farzaneh Taksibi , Ph.D. Candidate (2022 – Current)

Professional Focus
Emissions, Air Quality modeling, Atmospheric Chemistry, Aerosols, Health Risk Estimation, Aircraft Emissions, Near-Road Emissions, Near-Port Emissions
ENST 202 (2009)
Developing modeling and analyses methods and applications to support sound environmental policy, focused on air pollution and health risk


  • Air and Waste Management Association
  • American Geophysical Union
  • American Meteorological Society
  • International Society of Exposure Science
  • Society of Risk Analysis
  • Sigma Xi


  • UNC Duke Energy Foundation Faculty Fellow (2016)
  • U.S. EPA Scientific and Technological Achievement Award (2014) for “Advancements in Near-Road Dispersion Modeling”
  • U.S. EPA Blue Ribbon Paper Award (2013) for Contributions in Improving the Simulation of Air Pollution Near Roadways “Estimating near-road pollutant dispersion: a model inter-comparison”
  • Faculty of the Year (2008)
  • FAA Partnership for Air Transportation Noise and Emissions Reduction (PARTNER) Centers of Excellence Read MIT Citation | Read FAA Citation
  • U.S. EPA Certificate of Appreciation (1996), (for Contributions to the Evaluation of the Draft Guidance for Using Models to Demonstrate Attainment of the O3 NAAQS), OAQPS
  • Ozone Transport and Assessment Group (OTAG) Certificate of Appreciation (1996) (for Contribution to Modeling performed for OTAG)
  • Chair, OTAG Policy Decisions Group


  • 2017 – present Research Professor, University of North Carolina at Chapel Hill, NC
  • 2009 – 2017 Research Assoc. Professor, University of North Carolina at Chapel Hill, NC
  • 2003 – 2009 Research Asst. Professor, University of North Carolina at Chapel Hill, NC
  • 1999 – 2002 Research Scientist, MCNC Environmental Programs, RTP, NC
  • 1998 – 1999 Research Scientist, Bureau of Air Quality Planning, NJDEP, Trenton, NJ


Ph.D., Chemical and Biochemical Engineering, Rutgers University, New Brunswick, NJ

M.S., Chemical and Biochemical Engineering, Rutgers University, New Brunswick, NJ

B.Tech., Chemical Engineering, Anna University, India

Selected Publications

  • Ying Chen, Yun Zhu, Che-Jen Lin, Saravanan Arunachalam, Shuxiao Wang, Jia Xing, Duohong Chen, Shaojia Fan, Tingting Fang, Anqi Jiang (2022). Response surface model-based emission source contribution and meteorological pattern analysis in ozone polluted days, Environ. Poll., 37, 119459, ISSN 0269-7491,  
  • Chang, W.; Zhu, Y.; Lin, C.-J.; Arunachalam, S.; Wang, S.; Xing, J.; Fang, T.; Long, S.; Li, J.; Chen, G. (2022). Environmental Justice Assessment of Fine Particles, Ozone, and Mercury over the Pearl River Delta Region, China. Sustainability 2022, 14, 10891. 
  • Shukla, Komal, Catherine Seppanen, Brian Naess, Charles Chang, David Cooley, Andreas Maier, Frank Divita, Masha Pitiranggon, Sarah Johnson, Kazuhiko Ito, Saravanan Arunachalam, (2022). ZIP code-level estimation of air quality and health risk due to particulate matter pollution in New York City, Env. Sci & Technol. 2022, 56, 11, 7119–7130, DOI: 10.1021/acs.est.1c07325  
  • Kephart, J.L., Sánchez, B.N., Moore, J. Arunachalam, S. et al. City-level impact of extreme temperatures and mortality in Latin America. Nat Med 28, 1700–1705 (2022). 
  • Arter, C.A.*, J. Buonocore. C. Moniruzzaman, D. Yang, J. Jiaoyan and S. Arunachalam (2022). Air Quality and Health-Related Impacts of Traditional and Alternate Jet Fuels from Airport Aircraft Operations in the U.S., Environ. Int, 158 (2022) 106958,   
  • Fecho K, Ahalt SC, Appold S, Arunachalam S, Pfaff E, Stillwell L, Valencia A, Xu H, Peden DB. Development and Application of an Open Tool for Sharing and Analyzing Integrated Clinical and Environmental Exposures Data: Asthma Use Case. JMIR Form Res. 2022 Apr 1;6(4):e32357. doi: 10.2196/32357. PMID: 35363149; PMCID: PMC9015759. 
  • Buonocore, J.J., S. Reka, D. Yang, C. Chang, A. Roy, T. Thompson, D. Lyon, R. McVay, D. Michanowicz, S. Arunachalam (2021). Air Quality and Health Benefits of Methane Policies in the US Oil & Gas Sector, Nature Communications,  
  • Zhang, S., Sarwar, G., Xing, J., Chu, B., Xue, C., Arunachalam, S., Ding, D., Zheng, H., Mu, Y., Duan, F., Ma, T., and He, H.: (2021). Improving the representation of HONO chemistry in CMAQ and examining its impact on haze over China, Atmos. Chem. Phys.,21, 15809–15826, 2021,  
  • Arter, C.A.*, J. Buonocore. C. Chang and S. Arunachalam (2021). Mortality-based damages per ton due to the on-road mobile sector in the Northeastern and Mid-Atlantic U.S. by region, vehicle class and precursor, Environ. Res. Ltrs, 16 (2021) 065008. 
  • Breen, M, V. Isakov, S. Prince, K. McGuinness, P. Egeghy, B. Stephens, S. Arunachalam, D. Stout, R. Walker, L. Alston, A. Rooney, K. Taylor, T. Buckley (2021). Using Personal Air Sensor and GPS to Determine Microenvironment-specific Exposures to Volatile Organic Compounds, Sensors, 2021, 21, 5659, 
  • Valencia, A.*, S. Arunachalam, B. Naess, V. Isakov, M. Serre (2021). Improving emissions inputs via mobile measurements to estimate fine-scale Black Carbon monthly concentrations through geostatistical space-time data fusion, Sci. Total Environ. 793 (2021) 148378,  
  • Arter, C. A.*, S. Arunachalam (2021). Assessing the Importance of Nonlinearity for Aircraft Emissions’ Impact on O3 and PM2.5. Sci. Total Environ., 777 (2021), 1462021, 
  • Moniruzzaman, C. G., J. Bowden and S. Arunachalam (2020). Aircraft landing and takeoff emission impactson surface O3  and PM2.5  through aerosol direct feedback effectsestimated by the coupled  WRF-CMAQmodel, Atmos. Environ., 243 (2020) 117859, 
  • Wolfe, M. **, N. McDonald, S. Arunachalam, R. Baldauf, A. Valencia (2020). The Impact of School Location and Commuting Choice on Children’s Air Pollution Exposures, J. Urban Affairs, DOI: 10.1080/07352166.2020.1734013 
  • Valencia, A.**, L. Stillwell, S. Appold, S. Arunachalam, S. Cox, H. Xu, C. Schmitt, S. Schurman, S. Garantziotis, W. Xue, S. Ahalt, K. Fecho (2020). Translator Exposure APIs: Open Access to Data on Airborne Pollutant  Exposures, Roadway Exposures, and Socio-environmental Exposures and Use Case Application, Int. J. Environ. Res. Public Health, 17, 5243; doi:10.3390/ijerph17145243.  

Conference Presentations / Proceedings: (> 200)