Education
2004
Yonsei University, Environmental Engineering, B.S.
2006
POSTECH, Environmental Engineering, M.S.
2012
University of California, Los Angeles (UCLA), Atmospheric Chemistry, Ph.D
2013
University of California, Davis, Atmospheric Chemistry, Postdoc
2013 ~ 2021
Korea Institute of Science and Technology (KIST), Senior/Principal Investigator
Research Interests
Atmospheric chemistry monitoring and modeling, Chemistry and life cycles of aerosol, Aerosol Health Effect
Publications
- Ryan N. Farley, Sonya Collier, Christopher D. Cappa, Leah R. Williams, Timothy B. Onasch, Lynn M. Russell, Hwajin Kim, Qi Zhang, Source Apportionment of Soot Particles and Aqueous-Phase Processing of Black Carbon Coatings in an Urban Environment, under review at ACPD
- Hyeon-Ju Oh, Yanfang Chen, Hwajin Kim*, Deposition of secondary organic aerosol in human lung model: Effect of photochemically aged aerosol on human respiratory system, Ecotoxicology and Environmental Safety (2023)
- Hyun Gu Kang, Yanfang Chen, Jiwoo Jeong, Yoojin Park, Thomas Berkemeier, Hwajin Kim*, Volatile Oxidation Products and Secondary Organosiloxane Aerosol from D5 + OH at Varying OH exposures, ACP(2023)
- Li, Yan; Lei, Lu; Sun, Jiaxing; Gao, Yueqi; Wang, Peng; Wang, Siyu; Zhang, Zhaolei; Du, Aodong; Li, Zhijie; Wang, Zifa; Kim, Jin Young; Kim, Hwajin; Zhang, Hongliang; Sun, Yele, Significant Reductions in Secondary Aerosols after Three-year Action Plan in Beijing Summer, under review at ES&T (2023)
- Shixian Zhai, Danial Jacob, Hwajin Kim et al., Coarse particulate matter air quality in East Asia: implications for fine particulate nitrate, Atmospheric Chemistry and Physics (2023)
- Yoojin Park, Hwajin Kim*, Real time measurements of the secondary organic aerosol formation and aging from ambient air using an Oxidation Flow Reactor in Seoul during winter Environmental pollution (2023)
- Jiwon Jeon, Yanfang Chen, Hwajin Kim*. Influences of meteorology on emission sources and physicochemical properties of particulate matter in a polluted urban environment during the heating period, Atmospheric Environment (2023)
- Yanfang Chen, Yoojin Park, Hyun Gu Kang, Jiwoo Jeong, Hwajin Kim*, Chemical characterization and formation of secondary organosiloxane aerosol (SOSA) from OH oxidation of decamethyl cyclopentasiloxane,Environmental Siences: Atmosphere (2023) Cover of the paper
- Najin Kim, Seong Soo Yum, Seogju Cho, Jinsang Jung, Gangwoong Lee and Hwajin Kim*, Atmospheric sulfate formation in the Seoul Metropolitan Area during spring/summer: Effect of trace metal ions, Environmental pollution (2022)
- Katherine R. Travis, James H. Crawford, Gao Chen, Carolyn E. Jordan, Benjamin A. Nault, Hwajin Kim, et al., Limitations in representation of physical processes prenet successful simulation of PM2.5 during KORUS-AQ, Atmospheric Chemistry and Physics (2022)
- Dae-young Kim, Benjamin de Foy, and Hwajin Kim*. The investigations on organic sources and inorganic formation processes and their implications on haze during late winter in Seoul, Korea. Environmental Research, (2022) 113174.
- Hyun Gu Kang, Youngjin Kim, Sonya Collier, Qi Zhang, and Hwajin Kim*. Volatility of Springtime ambient organic aerosol derived with thermodenuder aerosol mass spectrometry in Seoul, Korea. Environmental Pollution, (2022) 119203.
- Eun Ha Park, Hwajin Kim*, and Jongbae Heo. The impact of size-segregated particle properties on daily mortality in Seoul, Korea. Environmental Science and Pollution Research, (2022).
- Yujin J. Oak, Rokjin J. Park, Duseong S. Jo, Alma Hodzic, Jose L. Jimenez, Pedro Campuzano-Jost, Benjamin A. Nault, Hwajin Kim, Hyonmin Kim, Eunjo S. Ha, Donald R. Blake, Armin Wisthaler, Mihee Shim, and Yoonmi Shin. Evaluation of Secondary Organic Aerosol (SOA) Simulations for Seoul, Korea, Journal of Advances in Modeling Earth Systems, (2022).
- Kyung-Min Baek,, Eun Ha Park, Hyungu Kang, Mi-Jung Ji, Hyun-Mee Park, Jongbae Heo, Hwajin Kim*, Seasonal characteristics of atmospheric water-soluble organic nitrogen in PM2.5 in Seoul, Korea: Source and atmospheric processes of free amino acids and aliphatic amines, Science of the total Environment, 811 (2022),149984
- Youngjin Kim, Hwajin Kim*, Hyungu Kang, Benjamin de Foy, Qi Zhang, Impacts of Secondary Aerosol Formation and Long Range Transport on Severe Haze during the Winter of 2017 in the Seoul Metropolitan Area, Science of the total Environment, 804 (2022),149984
- Yoonhee Kim, Eun Ha Park, Chris Fook Sheng Ng, Yeonseung Chung, Kunio Hashimoto, Kasumi Tashiro, Hideki Hasunuma, Masataka Doi, Kei Tamura, Hiroyuki Moriuchi, Yuji Nishiwaki, Hwajin Kim, Seung-Muk Yi, Ho Kim & Masahiro Hashizume, Respiratory function declines in children with asthma associated with chemical species of fine particulate matter (PM2.5) in Nagasaki, Japan, Environmental Health, 20, 110(2021)
- Hwajin Kim, Yele Sun, Qi Zhang, Measurement report: Characterization of severe spring haze episodes and influences of long-range transport in the Seoul metropolitan area in March 2019, Atmos. Chem. Phys, 20 (2020) 11527-11550, IF: 5.414
- Carolyn E Jordan et al., H Kim, Investigation of factors controlling PM2.5 variability across the South Korean Peninsula during KORUS-AQ, Elem Sci Anth, 8 (2020), IF : 4.212
- Wei Zhou, Weiqi Xu, Hwajin Kim, Qi Zhang, Pingqing Fu, Douglas R Worsnop, Yele Sun, A review of aerosol chemistry in Asia: insights from aerosol mass spectrometer measurements, Environmental Science: Processes & Impacts, 22 (2020), 1616-1653, IF : 3.238
- Jianjun Chen, Dazhong Yin, Zhan Zhao, Ajith P Kaduwela, Jeremy C Avise, John A DaMassa, Andreas Beyersdorf, Sharon Burton, Richard Ferrare, Jay R Herman, Hwajin Kim, Andy Neuman, John B Nowak, Caroline Parworth, Amy Jo Scarino, Armin Wisthaler, Dominique E Young, Qi Zhang, Modeling air quality in the San Joaquin valley of California during the 2013 Discover-AQ field campaign, Atmospheric Environment: X,5(2020), IF : 4.309
- Hwajin Kim, Xinlei Ge, Jianzhong Xu, Sonya Collier, Yele Sun, Youliang Wang, Pierre Herckes, Qi Zhang, Chemical processing of Water-soluble Species and Formation of Secondary Organic Aerosol in Fogs, Atmos. Environ., 200 (2019) 158, IF : 4.012
- Hwajin Kim, Qi Zhang, Chemistry of new particle growth during springtime in the Seoul metropolitan area, Korea, Chemosphere, 225(2019) 713,IF: 5.108
- Hwajin Kim, Qi Zhang, Jongbae Heo, Influence of Intense secondary aerosol formation and long range transport on aerosol chemistry and properties in the Seoul Metropolitan Area during spring time: Results from KORUS-AQ., Atmos. Chem. Phys., 18 (2018) 7149,IF: 5.509
- Kim, Y, Seo, J., Kim, J.Y., Lee, J.L., Kim, H., Kim, B.M., Characterization of PM2.5 and identification of transported secondary and biomass burning contribution in Seoul, Korea Environmental Science and Pollution Research, 25 (2018) 4330, IF:2.8
- Seo, J., Kim, J.Y., Youn, D., Lee, J.Y., Kim, H., Lim, Y.B., Jiin, H.C., On the multiday haze in the Asian continental outflow: the important role of synoptic conditions combined with regional and local sources, Atmos. Chem. Phys., 17 (2017) 9311,IF: 5.318
- Prabhakar, G., Parworth, C., Zhang, X., Kim, H., Young, D., Beyersdorf, A. J., Ziemba, L. D., Nowak, J. B., Bertram, T. H., Faloona, I. C., Zhang, Q., and Cappa, C. D. , Observational assessment of the role of nocturnal residual-layer chemistry in determining daytime surface particulate nitrate concentrations, Atmos. Chem. Phys., 17 (2017) , 14747, IF :5.414
- Hwajin Kim, Qi Zhang, Gwi-Nam Bae, Jin Young Kim, Seung Bok Lee, Sources and atmospheric processing of wintertime aerosols in Seoul, Korea: Insights from real-time measurements using a high-resolution aerosol mass spectrometer., Atmos. Chem. Phys., 17 (2017) 2009, IF: 5.318
- Kim, Najin; Park, Minsu; Yum, Seong Soo; Park, Jong Sung; Song, In Ho; Shin, Hye Jung; Ahn, Joon Young; Kwak, Kyung-Hwan; Kim, Hwajin; Bae, Gwi-Nam; Lee, Gangwoong Hygroscopic properties of urban aerosols and their cloud condensation nuclei activities measured in Seoul during the MAPS-Seoul campaign, Atmos. Environ.(2017) 217,, IF: 3.629
- Yong bin Lim, Hwajin Kim, Jin Young Kim and Babara J. Turpin, Photochemical organonirate formation in wet aerosol, Atmos. Chem.Phys., 16(2016) 12631,IF :5.114
- Caroline Parworth, Dominique Young, Hwajin Kim, Xiaolu Zhang, Christopher Cappa , Sonya Collier, Q. Zhang, Wintertime water-soluble aerosol composition and particle water content in Fresno, California, J. Geophys. Res. 122(2017)3155,IF: 3.454
- Daniel Orozco, L. D. Ziemba, A. J. Beyersdorf, T. Berkoff, Q. Zhang, R. Delgado, C.J. Hennigan, K.L. Thornhill, Caroline Parworth, Hwajin Kim and R. M. Hoff, Hygroscopicity Measurements of Aerosol Particles in the San Joaquin Valley, CA, Baltimore, MD, and Golden, CO, J. Geophys. Res. 121 (2016) 7344, IF :3.821
- Dominique Young, Hwajin Kim, Shan Zhou, Caroline Parworth, Sonya Collier, Qi Zhang, Influences of emission sources and meteorology on aerosol chemistry in a polluted urban environment: results from DISCOVER-AQ California, Atmos. Chem. Phys., 16 (2016) 5427,
- S.E. Puede, H. Kim, Q. Zhang, R. Cohen et al. On the effectiveness of nitrogen oxide reductions as a control over ammonium nitrate aerosol, Atmos. Chem. Phys., 16 (2016) 2575, IF :5.114
- X.L. Zhang, H.Kim, P.Caroline, D. Young, Q. Zhang, A.R. Metcalf, C.D. Cappa, Optical Properties of Wintertime Aerosols from Residential Wood Burning in Fresno, CA: Results from DISCOVER-AQ 2013, Environ. Sci. Technol, 50(2016) 1681, IF:5.393
- H.Kim, J.Y. Kim, H.C. Jin, J.Y. Lee, S.P. Lee, Seasonal variations in the light-absorbing properties of water-soluble and insoluble organic aerosols in Seoul, Korea, Atmos. Environ., 129 (2016) 234 ,IF: 3.459
- H.Kim, J.Y. Kim, J.S. Kim, H.C. Jin, Physicochemical and optical properties of combustion-generated particles from a coal-fired power plant, automobiles, ship engines, and charcoal kilns, Fuel, 161(2015) 120, IF:3.52
- Kim, Wooyul; Tachikawa, Takashi; Kim, Hwajin; Lakshminarasimhan, N; Murugan, Palanichamy; Park, Hyunwoong; Majima, Tetsuro; Choi, Wonyong, Visible Light Photocatalytic Activities of Nitrogen and Platinum-Doped TiO2; Synergistic Effects of Co-dopants, Appl. Catal.B, 147(2014) 642, IF :16.683
- H.Kim, S.Liu, L.M. Russell and S.E. Paulson, Real refractive indices and elemental composition of secondary organic aerosol generated from ozonolysis and photooxidation of limonene and α-pinene, Aerosol Science and Technology, 48 (2014) 498, IF :3.155
- Kabindra M. Shakya, Shang Liu, Satoshi Takahama, Lynn M. Russell, Frank N. Keutsch, Melissa M. Galloway, John E. Shilling, Naruki Hiranuma, Chen Song, Hwajin Kim, Suzanne E. Paulson, Lisa Pfaffenberger, Peter Barmet, Jay Slowik, André S. H. Prévôt, Josef, Dommen, Urs Baltensperger, Similarities in STXM-NEXAFS Spectra of Atmospheric particles and secondary organic aerosol generated from glyoxal, α-pinene, Isoprene, 1,2,4-trimethylbenzene and d-limonene, Aerosol Science and Technology, 47 (2013) 543. (IF; 2.780)
- H.Kim and S.E. Paulson, Real refractive indices and volatility of secondary organic aerosol generated from photooxidation and ozonolysis of limonene, α-pinene and toluene, Atmos. Chem. Phys., 13 (2013) 7711, IF;5.520
- H.Kim, B.Barkey and S.E. Paulson, Real refractive indices of secondary organic aerosol generated from photooxidation of limonene and α-pinene: the effect of HC/NOx ratio, J. Phys. Chem. A,116 (2012) 6057, IF:2.946
- Wang, Y. Kim, H., Paulson, S. E. Hydrogen Peroxide Generation from α-and β- pinene and Toluene Secondary Organic Aerosols. Atmospheric Environment, 45 (2011),
- H.Kim, B.Barkey and S.E. Paulson, Real refractive indices of alpha-and beta-pinene and Toluene Secondary Organic Aerosols generated from Ozonolysis and Photo-oxidation, J. Geophys. Res. 115 (2010) D24212.IF;3.021
- B.Barkey, H.Kim and S.E. Paulson, Genetic Algorithm Retrieval of Real Refractive Index from Aerosol Distributions that are not Lognormal, Aerosol Science and Technology, 44 (2010) 1089.
- H.Kim and W.Choi, Effect of Surface Fluorination of TiO2 on Photocatalytic Oxidation of Gaseous Acetaldehyde, Appl.Catal.B, 69 (2007) 127
- Hwajin Kim, EunHa Park. Effects of chemical composition of ambient PM2.5 measured in Seoul on potential health risks and generation of reactive oxygen species, Environmental Pollution. 352 (2024) 124139
- Qihua Hu, Jihye Moon, Hwajin Kim. Understanding the Driving Forces of Summer PM1 Composition in Seoul, Korea, with Explainable Machine Learning, ACS ES&T Air, 2024, Article No. 3c00116.
- Sujin Kwon, Qihua Hu, Jaewon Seo, Soyoung Park, Jihye Moon, Jaeuk Kim, Sungjin Park, Yoojin Park, Hwajin Kim. Characterization of particulate matter at Mt. Gwanak (at 632 m) and vertical mixing impacts on haze in Seoul during winter, Science of The Total Environment. 202
- Youngkwon Kim, Seung-Muk Yi, Jongbae Heo, Hwajin Kim, Woojoo Lee, Ho Kim, Philip K. Hopke, Young Su Lee, Hye-Jung Shin, Jungmin Park, Myungsoo Yoo, Kwonho Jeon, Jieun Park. Is replacing missing values of PM2.5 constituents with estimates using machine learning better for source apportionment than exclusion or median replacement?, Science of the Total Environment, Vol. 918, 2024, Article No. 165842.
