Research Associate Professor

(919) 966-2126

Center for Environmental Modeling for Policy Development


Graduate Students

  • Scott Boone, (M.S. 2015)
  • Kathryn Bradford, M.S. Candidate
  • Jeffrey Rissman, (M.S. 2011)
  • Pradeepa Vennam, Ph.D. Candidate
  • Matthew Woody, (M.S., 2010; Ph.D. 2014)
  • Chang Shih Ying, Ph.D. Candidate
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
Americal Geophysical Union
American Meteorological Society
Society of Risk Analysis
Sigma XiAwards
Faculty of the Year (2008), FAA Partnership for Air Transportation Noise and Emissions Reduction (PARTNER) Centers of ExcellenceU.S. EPA Certificate of Appreciation (1996), (for Contributions to the Evaluation of the Draft Guidance for Using Models to Demonstrate Attainment of the O3 NAAQS), OAQPSOzone Transport and Assessment Group (OTAG), Certificate of Appreciation (1996) (for Contribution to Modeling performed for OTAG), Chair, OTAG Policy Decisions GroupPositions
2003 – Current, University of North Carolina at Chapel Hill1999 – 2002, Research Scientist, MCNC Environmental Programs, RTP, NC

1998 – 1999, Research Scientist, New Jersey Department of Environmental Protection, 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

Chang, S.-Y., W. Vizuete, , V. Isakov, M. Breen, S. Arunachalam (2015). Comparison of Highly Resolved Model-based Exposure Metrics for Traffic-Related Air Pollutants to Support Environmental Health Studies, Int. J. Environ. Res. Public Health, 12, 15605-15625

Chang, S.-Y., W. Vizuete, , A. Valencia, B. Naess, V. Isakov, T. Palma, M. Breen, S. Arunachalam (2015). A Modeling Framework for Characterizing Near-Road Air Pollutant Concentration at Community Scales, Sci. Total Environ., 905-921

Vennam, L.P., W. Vizuete, S. Arunachalam (2015). Evaluation of model-predicted Hazardous Air Pollutants (HAPs) near a mid-sized U.S. airport, Atmos. Environ.,119:107-117

Penn, S., S. Arunachalam, Y. Tripodis, W. Heiger-Bernays, JI Levy (2015). A comparison between monitoring and dispersion modeling approaches to assess the impact of aviation on concentrations of black carbon and nitrogen oxides at Los Angeles International Airport, Sci. Total. Environ., 05/2015; 527-528C:47-55.

Barzyk, T.M., V. Isakov, S. Arunachalam, A. Venkatram, R. Cook, B. Naess (2015). A Near-Road Modeling System for Community-Scale Assessments of Mobile-Source Air Toxics: The Community Line Source (C-LINE) Modeling System, Environ. Model. Software, 66:46-56.

Woody, M. C., West, J. J., Jathar, S. H., Robinson, A. L., and Arunachalam, S. (2014). Estimates of non-traditional secondary organic aerosols from aircraft SVOC and IVOC emissions using CMAQ, Atmos. Chem. Phys. Discuss., 14, 30667-30703, doi:10.5194/acpd-14-30667-2014.

Snyder, M.; Arunachalam, S.; Isakov, V.; Talgo, K.; Naess, B.; Valencia, A.; Omary, M.; Davis, N.; Cook, R.; Hanna, A. (2014). Creating Locally-Resolved Mobile-Source Emissions Inputs for Air Quality Modeling in Support of an Exposure Study in Detroit, Michigan, USA. Int. J. Environ. Res. Public Health, 11(12), 12739-12766

Arunachalam, S.; Valencia, A.; Akita, Y.; Serre, M.; Omary, M., Garcia, V.; Isakov, V. (2014). Estimating Regional Background Air Quality using Space/Time Ordinary Kriging to Support Exposure Studies. Int. J. Environ. Res. Public Health, 11(10), 10518-10536

Isakov, V.; Arunachalam, S.; Batterman, S.; Bereznicki, S.; Burke, J.; Dionisio, K.; Garcia, V.; Heist, D.; Perry, S.; Snyder, M.; Vette, A. (2014). Air Quality Modeling in Support of the Near-Road Exposures and Effects of Urban Air Pollutants Study (NEXUS) Int., J. Environ. Res. Public Health, 2014, 11(9), 8777-8793

Brunelle-Yeung E, T Masek, JJ Rojo, JI Levy, S Arunachalam, SM Miller, SE Barrett, S Kuhn, IA Waitz (2014). Methods for Assessing the Impacts of Aviation Environmental Policies on Public Health, Transportation Policy, 34:21-28

Isakov, V., M. Snyder, D. Heist, S. Perry, J. Burke, S. Bereznicki, S. Arunachalam, S. Batterman, CAAA (2014). Development of Model-Based Air Pollution Exposure Metrics for Use in Epidemiologic Studies, Air Pollution Modeling and its Application XXIII, D.G. Steyn and R. Mathur (eds.), ISBN: 978-3-319-04378-4 (Print) 978-3-319-04379-1 (Online), Springer, The Netherlands, 2014.

Arunachalam, S., M Woody, J. Rissman, F.S. Binkowski, H.-W. Wong, S. Jathar, A. Robinson (2014). An Enhanced Sub-grid Scale Approach to Characterize Air Quality Impacts of Aircraft Emissions, Air Pollution Modeling and its Application XXIII, D.G. Steyn and R. Mathur (eds.), ISBN: 978-3-319-04378-4 (Print) 978-3-319-04379-1 (Online), Springer, The Netherlands, 2014.

Vennam, L.P., S. Arunachalam, B.H. Baek, M. Omary, F.S. Binkowski, S. Olsen, R. Mathur, W. Vizuete, G. Fleming (2014). A Multiscale Modeling Study to Assess Impacts of Full-Flight Aircraft Emissions on Upper Troposphere and Surface Air Quality, Air Pollution Modeling and its Application XXIII, D.G. Steyn and R. Mathur (eds.), ISBN: 978-3-319-04378-4 (Print) 978-3-319-04379-1 (Online), Springer, The Netherlands, 2014.

Rissman, J., S. Arunachalam, T. Bendor and J.J. West (2013). Equity and Health Impacts of Aircraft Emissions at the Hartsfield-Jackson Atlanta International Airport, Landscape and Urban Planning, 120, 234-247.

Rissman, J., Arunachalam, S., Woody, M., West, J. J., BenDor, T., and Binkowski, F. S. (2013). A plume-in-grid approach to characterize air quality impacts of aircraft emissions at the Hartsfield-Jackson Atlanta International Airport, Atmos. Chem. Phys., 13, 9285-9302.

Woody, M., and S. Arunachalam (2013). Secondary organic aerosol produced from aircraft emissions at the Atlanta Airport: An advanced diagnostic investigation using process analysis, Atmos. Environ., 76:101-109

Arunachalam, S., M. Woody, J. Rissman, F. S. Binkowski, H.-W. Wong, S. Jathar and A. Robinson (2013). An Enhanced Sub-grid Scale Approach to Characterize Air Quality Impacts of Aircraft Emissions, Air Pollution Modeling and its Application XXII, D. G. Steyn, P.J.H. Builtjes, R.M.A. Timmermans (eds.), ISBN: 978-94-007-5576-5 (Print) 978-94-007-5577-2 (Online), Springer, The Netherlands, 2013.

Ashok, A., I.H. Lee, S. Arunachalam, I. A. Waitz, S.H.L. Yim, R.H. Barrett (2013). Development of a response surface model of aviations air quality impacts in the U.S. Atmos. Environ., 77:445-452

Heist, D., V. Isakov, S. Perry, M. Snyder, A. Venkatram, C. Hood, J. Stocker, D. Carruthers, S. Arunachalam and C. Owen (2013). Estimating near-road pollutant dispersion: a model inter-comparison Transportation Research, Part D., 25:93-105

Levy, J. I., Woody, M., Baek, B. H., Shankar, U. and Arunachalam, S. (2012). Current and Future Particulate-Matter-Related Mortality Risks in the United States from Aviation Emissions During Landing and Takeoff, Risk Analysis, 32(2):237-249.

Barrett, S., S. Yim, C. Gilmore, L.T. Murray, S. Kuhn, A. Tai, R. Yantosca, D. Byun, F. Ngan, X. Li, J. Levy, A. Ashok, J. Koo, H.M. Wong, O. Dessens, S. Balasubramanian, G. Fleming, M. Pearlson, C. Wollersheim, R. Malina, S. Arunachalam, F. Binkowski, E. Leibensperger, D. J. Jacob, J. Hileman, and I. Waitz (2012). Public Health, Climate and Economic Impacts of Desulfurizing Jet Fuel. Environ. Sci. & Tech., 46, 4275-4282

Aneja, V. P., A. Aiyyer, A. Hanna, U. Shankar, Z. Adelman, S. Arunachalam, S. T. Rao, R. Mathur, J.D. Mobley, V. Ramaswamy, V.M. Krishna, V. Manickam, M.P. Singh, J. Biswas and E. Upadhyay, (2012). U.S.-India Collaboration on Air Quality and Climate Research and Education. Environmental Manager, Publication Date (Web): 01 Mar 2012

Arunachalam, S., Wang, B., Davis, N., Baek, B.H., Levy, JI (2011). Effect of Chemistry-Transport Model Scale and Resolution on Population Exposure to PM2.5 from Aircraft Emissions during Landing and Takeoff, Atmos. Environ., 45(19):3294-3300

Anenberg, S. C., Talgo, K., Arunachalam, S., Dolwick, P., Jang, C., and West, J. J. (2011). Impacts of global, regional, and sectoral black carbon emission reductions on surface AQ and human mortality, Atmos. Chem. Phys., 11, 7253-7267

Woody, M. *, B.H. Baek, Z. Adelman, M. Omary, Y.-F. Lam, J. West and S. Arunachalam (2011). An Assessment of Aviation Contribution to Current and Future Fine Particulate Matter in the United States, Atmos. Environ., 45 (20):3424-3433

Arunachalam, S., A. Valencia, D. Yang, N. Davis, BH Baek, R Dodson, EA Houseman and JI Levy, (2011). Comparing monitoring-based and modeling-based approaches for evaluating Black Carbon contributions from a U.S. airport. D.G. Steyn and S.T. Castelli (eds.), Air Pollution Modeling and its Application XXI, DOI 10.1007/978-94-007-1359-8_102, Springer, The Netherlands, 2011.

Arunachalam, S., M. Woody, BH Baek, U Shankar and JI Levy (2011). An Investigation of the Impacts of Aviation Emissions on Future Air Quality and Health, D.G. Steyn and S.T. Castelli (eds.), Air Pollution Modeling and its Application XXI, NATO Science for Peace and Security Series C: Environmental Security 4, DOI 10.1007/978-94-007-1359-8_108, Springer, The Netherlands, 2011.

De Nazelle, A., S. Arunachalam and M. Serre (2010) Bayesian Maximum Entropy Integration of Ozone Observations and Model Predictions in a Spatiotemporal Regulatory Context: An Application for Attainment Demonstration in NC, Environ. Sci. & Tech., 44, 57075713.

Arunachalam, S., B.H. Baek, H.-H. Hsu, B. Wang, N. Davis, and J.I. Levy (2010). The Influence of Chemistry Transport Model Scale and Resolution on Population Exposure due to Aircraft Emissions from Three Airports in the United States, Air Pollution Modeling and Its Application XX. D.G. Steyn; Rao, S. T. (Eds.) 2010, XLVII, 592 p., ISBN 978-90-481-3811-1, Springer, The Netherlands, 2010.

Binkowski, F., S. Arunachalam, Z. Adelman and J.P. Pinto (2007). Examining Photolysis Rates with a Prototype On-line Photolysis Module in CMAQ, J. Applied Meteorol. Clim., 2007, 46:1252-1256.

Arunachalam, S., A. Holland, B. Do, and M. Abraczinskas (2006). A Quantitative Assessment of the Influence of Grid Resolution on Predictions of Future-Year Air Quality in North Carolina, USA, Atmos. Environ., 40(26):5010-5016

Mathur, R., U. Shankar, A.F. Hanna, M.T. Odman, J.N. McHenry, C.J. Coats, K. Alapaty, A. Xiu, S. Arunachalam, D. Olerud, D.W. Byun, K.L. Schere, F.S. Binkowski, J. K. Ching, R.L. Dennis, T.E. Pierce, J.E. Pleim, S.J. Roselle, and J.O. Young (2005). The Multiscale Air Quality Simulation Platform (MAQSIP): Initial Applications and Performance for Tropospheric O3 and Particulate Matter, J. Geophys. Res., 110, D13308

McHenry, J.N., W.F. Ryan, N.L. Seaman, C.J. Coats, J. Pudykiewicz, S. Arunachalam, and J.M. Vukovich (2004). A Real-time Eulerian Photochemical Model Forecast System: Overview and Initial O3 Forecast Performance in the Northeastern U.S. corridor, Bull. Amer. Meteor. Soc., 85, pp. 525-548.

Hanna, S. R., Z. Lu, C.H. Frey, N. Wheeler, J. Vukovich, S. Arunachalam, M. Fernau, and A.D. Hansen (2001). Uncertainties in Predicted O3 Concentrations due to Input Uncertainties for the UAM-V Photochemical Grid Model Applied to the July 1995 OTAG Domain, Atmos. Environ. 35 (5), pp. 891-903.

Arunachalam, S., V. Purushothaman, and P.G. Georgopoulos (1999. Air Quality Benefits from Mandated Emissions Reductions in the Northeastern United States: Is Population Exposure to Ozone Reduced? Epidemiology, 10 (4), 1999

Georgopoulos, P.G., S. Arunachalam, and S. Wang (1997). Alternative metrics for the relative effectiveness of NOx and VOC emission reductions in controlling ground level ozone, J. A&WMA, 47, pp. 837-932.

Conference Presentations / Proceedings: (> 100)