Articles | Volume 18, issue 7
https://doi.org/10.5194/acp-18-4533-2018
© Author(s) 2018. 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-18-4533-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
04 Apr 2018
Research article |
| 04 Apr 2018
| 04 Apr 2018
Wintertime hygroscopicity and volatility of ambient urban aerosol particles
Joonas Enroth
Department of Physics, P.O. Box 64, 00014, University of Helsinki, Helsinki, Finland
Jyri Mikkilä
Department of Physics, P.O. Box 64, 00014, University of Helsinki, Helsinki, Finland
Zoltán Németh
Institute of Chemistry, Eötvös University, P.O. Box 32, 1518 Budapest, Hungary
Markku Kulmala
Department of Physics, P.O. Box 64, 00014, University of Helsinki, Helsinki, Finland
Institute of Chemistry, Eötvös University, P.O. Box 32, 1518 Budapest, Hungary
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24 citations as recorded by crossref.
- Mixing state and particle hygroscopicity of organic-dominated aerosols over the Pearl River Delta region in China J. Hong et al. https://doi.org/10.5194/acp-18-14079-2018
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- Subsecond measurements on aerosols: From hygroscopic growth factors to efflorescence kinetics S. Ma et al. https://doi.org/10.1016/j.atmosenv.2019.04.049
- Measurement report: Hygroscopic growth of ambient fine particles measured at five sites in China L. Chen et al. https://doi.org/10.5194/acp-22-6773-2022
- Measurement report: Size-resolved and seasonal variations in aerosol hygroscopicity dominated by organic formation and aging: insights from a year-long observation in Nanjing J. Zhang et al. https://doi.org/10.5194/acp-25-17413-2025
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- Wintertime hygroscopic growth factors (HGFs) of accumulation mode particles and their linkage to chemical composition in a heavily polluted urban atmosphere of Kanpur at the Centre of IGP, India: Impact of ambient relative humidity A. Mandariya et al. https://doi.org/10.1016/j.scitotenv.2019.135363
- External particle mixing influences hygroscopicity in a sub-urban area S. Deshmukh et al. https://doi.org/10.5194/acp-25-741-2025
- Regional aerosol hygroscopicity influences radiative forcing globally S. Deshmukh et al. https://doi.org/10.1038/s43247-026-03505-z
- Determination of the deposition of urban submicron aerosols in the human respiratory tract considering hygroscopic growth A. Yu et al. https://doi.org/10.1016/j.atmosenv.2025.121289
- Use of irretrievable waste flax and cotton for production of heat-insulating plates A. Ibragimov et al. https://doi.org/10.1088/1757-899X/451/1/012005
- Numerical simulation of the microphysics and liquid chemical processes occur in fog using size resolving bin scheme J. Bodaballa et al. https://doi.org/10.1016/j.atmosres.2021.105972
- Long-term in-situ aging of HVAC filters under continuous outdoor aerosol exposure: Temporal evolution in size-resolved filtration efficiency, mass loading, pressure drop, and fan energy consumption C. Huang & B. Boor https://doi.org/10.1016/j.buildenv.2026.114596
- Measurement report: Hygroscopicity of size-selected aerosol particles in the heavily polluted urban atmosphere of Delhi: impacts of chloride aerosol A. Mandariya et al. https://doi.org/10.5194/acp-24-3627-2024
- Annual cycle of hygroscopic properties and mixing state of the suburban aerosol in Athens, Greece C. Spitieri et al. https://doi.org/10.5194/acp-23-235-2023
- Hygroscopicity of urban aerosols and its link to size-resolved chemical composition during spring and summer in Seoul, Korea N. Kim et al. https://doi.org/10.5194/acp-20-11245-2020
- The evolution of aerosol mixing state derived from a field campaign in Beijing: implications for particle aging timescales in urban atmospheres J. Liu et al. https://doi.org/10.5194/acp-25-5075-2025
- MOPSMAP v1.0: a versatile tool for the modeling of aerosol optical properties J. Gasteiger & M. Wiegner https://doi.org/10.5194/gmd-11-2739-2018
- Chemical composition, source apportionment and formation mechanisms of PM2.5 in urban and background areas of northwestern China K. Cheng et al. https://doi.org/10.1016/j.apr.2025.102734
- Size-resolved hygroscopicity of ambient submicron particles in a suburban atmosphere E. Alonso-Blanco et al. https://doi.org/10.1016/j.atmosenv.2019.05.065
- Effects of hygroscopic growth of ambient urban aerosol particles on their modelled regional and local deposition in healthy and COPD-compromised human respiratory system Á. Farkas et al. https://doi.org/10.1016/j.scitotenv.2021.151202
- Mathematical derivation and physical interpretation of particle size-resolved activation ratio based on particle hygroscopicity distribution: Application on global characterization of CCN activity X. Jiang et al. https://doi.org/10.1016/j.atmosenv.2020.118137
- Effects of volatile organic compounds and new particle formation on real-time hygroscopicity of PM2.5 particles in Seosan, Republic of Korea J. Kim et al. https://doi.org/10.1016/j.scitotenv.2024.171516
Saved (final revised paper)
Latest update: 16 Aug 2026
Short summary
The urban aerosol particles in central Budapest consist of two externally mixed classes – nearly hydrophobic and less volatile particles, which were assigned to vehicle emissions (large mass fractions of soot likely coated with water-insoluble organic compounds) – and of less hygroscopic and volatile particles (moderately transformed aged combustion particles composed of partly oxygenated organics and inorganic salts internally mixed).
The urban aerosol particles in central Budapest consist of two externally mixed classes – nearly...
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