Articles | Volume 20, issue 22
https://doi.org/10.5194/acp-20-14457-2020
© Author(s) 2020. 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-20-14457-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
28 Nov 2020
Research article |
| 28 Nov 2020
| 28 Nov 2020
Amplification of South Asian haze by water vapour–aerosol interactions
Vijayakumar Sivadasan Nair
CORRESPONDING AUTHOR
Space Physics Laboratory, Vikram Sarabhai Space Centre,
Thiruvananthapuram, Kerala, India
Filippo Giorgi
Earth System Physics, International Centre for Theoretical Physics,
Trieste, Italy
Usha Keshav Hasyagar
Space Physics Laboratory, Vikram Sarabhai Space Centre,
Thiruvananthapuram, Kerala, India
Department of Physics, University of Kerala, Thiruvananthapuram, India
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Cited
18 citations as recorded by crossref.
- Hygroscopic growth obscures actual variation in anthropogenic aerosol optical depth over central China during 2010–2024 Y. He et al. https://doi.org/10.5194/acp-26-4937-2026
- Synergistic Fusion of Aerosol Optical Depth over India from multi-sensor satellite retrievals with ground-based measurements S. Gouda et al. https://doi.org/10.5194/amt-19-3687-2026
- Atmospheric rivers fueling the intensification of fog and haze over Indo-Gangetic Plains S. Verma et al. https://doi.org/10.1038/s41598-022-09206-9
- Aerosol light-scattering enhancement and liquid water content in a tropical coastal atmosphere S. Kompalli & S. Babu https://doi.org/10.1016/j.atmosres.2025.108615
- Widespread fog invigoration due to aerosols over Northern India N. Arun et al. https://doi.org/10.1126/sciadv.adx1662
- Spatio-temporal variation of atmospheric CO2 and its association with anthropogenic, vegetation, and climate indices over the state of Bihar, India A. Dass et al. https://doi.org/10.1016/j.envadv.2024.100513
- Drone measurements reveal high near-surface urban haze A. Ahlawat et al. https://doi.org/10.1038/s44407-025-00044-3
- Effects of atmospheric aerosols on heat stress over South Asia P. Ajay et al. https://doi.org/10.1088/2752-5295/acf7e2
- Particle-ozone complex pollution under diverse synoptic weather patterns in the Yangtze River Delta region: Synergistic relationships and the effects of meteorology and chemical compositions Y. Zhan et al. https://doi.org/10.1016/j.scitotenv.2024.174365
- Extreme Smog Challenge of India Intensified by Increasing Lower Tropospheric Stability R. Gautam et al. https://doi.org/10.1029/2023GL103105
- Regional differences in the effects of atmospheric moisture residence time on precipitation isotopes over Eurasia Q. Wang et al. https://doi.org/10.1016/j.atmosres.2024.107813
- An Improved MODIS NIR PWV Retrieval Algorithm Based on an Artificial Neural Network Considering the Land-Cover Types X. Ma et al. https://doi.org/10.1109/TGRS.2022.3170078
- Unexpectedly high wet mercury deposition observed in the Yarlung Tsangpo Grand canyon J. Huang et al. https://doi.org/10.1016/j.apgeochem.2024.106175
- Winter haze amplification by aerosol hygroscopic growth over eastern Indo- Gangetic Plain T. Kallihosur et al. https://doi.org/10.1038/s43247-024-01792-y
- A regional modeling study on aerosol–radiation interaction during an unprecedented dust scenario A. Sarkar et al. https://doi.org/10.1007/s00382-026-08291-0
- Assessment of submicron aerosol liquid water content and mass-based growth factors in South Asian outflow over the Indian Ocean S. Boreddy et al. https://doi.org/10.1016/j.scitotenv.2023.166461
- Influence of covariance of aerosol and meteorology on co-located precipitating and non-precipitating clouds over the Indo-Gangetic Plain N. Gulistan et al. https://doi.org/10.5194/acp-24-11333-2024
- Atmospheric oscillations drive winter aerosol variability over the Indo-Gangetic Plain S. Prijith et al. https://doi.org/10.1007/s00382-026-08348-0
18 citations as recorded by crossref.
- Hygroscopic growth obscures actual variation in anthropogenic aerosol optical depth over central China during 2010–2024 Y. He et al. https://doi.org/10.5194/acp-26-4937-2026
- Synergistic Fusion of Aerosol Optical Depth over India from multi-sensor satellite retrievals with ground-based measurements S. Gouda et al. https://doi.org/10.5194/amt-19-3687-2026
- Atmospheric rivers fueling the intensification of fog and haze over Indo-Gangetic Plains S. Verma et al. https://doi.org/10.1038/s41598-022-09206-9
- Aerosol light-scattering enhancement and liquid water content in a tropical coastal atmosphere S. Kompalli & S. Babu https://doi.org/10.1016/j.atmosres.2025.108615
- Widespread fog invigoration due to aerosols over Northern India N. Arun et al. https://doi.org/10.1126/sciadv.adx1662
- Spatio-temporal variation of atmospheric CO2 and its association with anthropogenic, vegetation, and climate indices over the state of Bihar, India A. Dass et al. https://doi.org/10.1016/j.envadv.2024.100513
- Drone measurements reveal high near-surface urban haze A. Ahlawat et al. https://doi.org/10.1038/s44407-025-00044-3
- Effects of atmospheric aerosols on heat stress over South Asia P. Ajay et al. https://doi.org/10.1088/2752-5295/acf7e2
- Particle-ozone complex pollution under diverse synoptic weather patterns in the Yangtze River Delta region: Synergistic relationships and the effects of meteorology and chemical compositions Y. Zhan et al. https://doi.org/10.1016/j.scitotenv.2024.174365
- Extreme Smog Challenge of India Intensified by Increasing Lower Tropospheric Stability R. Gautam et al. https://doi.org/10.1029/2023GL103105
- Regional differences in the effects of atmospheric moisture residence time on precipitation isotopes over Eurasia Q. Wang et al. https://doi.org/10.1016/j.atmosres.2024.107813
- An Improved MODIS NIR PWV Retrieval Algorithm Based on an Artificial Neural Network Considering the Land-Cover Types X. Ma et al. https://doi.org/10.1109/TGRS.2022.3170078
- Unexpectedly high wet mercury deposition observed in the Yarlung Tsangpo Grand canyon J. Huang et al. https://doi.org/10.1016/j.apgeochem.2024.106175
- Winter haze amplification by aerosol hygroscopic growth over eastern Indo- Gangetic Plain T. Kallihosur et al. https://doi.org/10.1038/s43247-024-01792-y
- A regional modeling study on aerosol–radiation interaction during an unprecedented dust scenario A. Sarkar et al. https://doi.org/10.1007/s00382-026-08291-0
- Assessment of submicron aerosol liquid water content and mass-based growth factors in South Asian outflow over the Indian Ocean S. Boreddy et al. https://doi.org/10.1016/j.scitotenv.2023.166461
- Influence of covariance of aerosol and meteorology on co-located precipitating and non-precipitating clouds over the Indo-Gangetic Plain N. Gulistan et al. https://doi.org/10.5194/acp-24-11333-2024
- Atmospheric oscillations drive winter aerosol variability over the Indo-Gangetic Plain S. Prijith et al. https://doi.org/10.1007/s00382-026-08348-0
Saved (final revised paper)
Latest update: 07 Sep 2026
Short summary
Air pollution and wintertime fog over South Asia is a major concern due to its significant implications on air quality, visibility and health. Coupled model simulations show that hygroscopic growth of aerosols contributes significantly to the aerosol-induced cooling at the surface. Our analysis demonstrates that the aerosol–moisture interaction is the most significant contributor favouring and strengthening the high-aerosol conditions (poor air quality) prevailing over South Asia during winter.
Air pollution and wintertime fog over South Asia is a major concern due to its significant...
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