Articles | Volume 20, issue 2
https://doi.org/10.5194/acp-20-735-2020
© 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-20-735-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
22 Jan 2020
Research article |
| 22 Jan 2020
| 22 Jan 2020
Sources and atmospheric dynamics of organic aerosol in New Delhi, India: insights from receptor modeling
Sahil Bhandari
McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, Texas, USA
Shahzad Gani
Department of Civil, Architectural and Environmental Engineering, The University of Texas at Austin, Austin, Texas, USA
Kanan Patel
McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, Texas, USA
Dongyu S. Wang
McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, Texas, USA
Prashant Soni
Department of Civil Engineering, Indian Institute of Technology Delhi, New Delhi, India
Zainab Arub
Department of Civil Engineering, Indian Institute of Technology Delhi, New Delhi, India
Gazala Habib
Department of Civil Engineering, Indian Institute of Technology Delhi, New Delhi, India
Department of Civil, Architectural and Environmental Engineering, The University of Texas at Austin, Austin, Texas, USA
McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, Texas, USA
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46 citations as recorded by crossref.
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- Chemical characterization of PM2.5 and source apportionment of organic aerosol in New Delhi, India A. Tobler et al. 10.1016/j.scitotenv.2020.140924
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- Decoding temporal patterns and trends of PM10 pollution over Delhi: a multi-year analysis (2015–2022) . Chetna et al. 10.1007/s10661-024-12638-7
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- Highly time-resolved chemical speciation and source apportionment of organic aerosol components in Delhi, India, using extractive electrospray ionization mass spectrometry V. Kumar et al. 10.5194/acp-22-7739-2022
- Characteristics of Aerosol Size Distributions and New Particle Formation Events at Delhi: An Urban Location in the Indo-Gangetic Plains S. Jose et al. 10.3389/feart.2021.750111
- Improved method to apportion optical absorption by black and brown carbon under the influence of haze and fog at Lumbini, Nepal, on the Indo-Gangetic Plains S. Izhar et al. 10.1016/j.envpol.2020.114640
- Contributions of primary sources to submicron organic aerosols in Delhi, India S. Bhandari et al. 10.5194/acp-22-13631-2022
- PM2.5 bound species variation and source characterization in the post-lockdown period of the Covid-19 pandemic in Delhi M. Faisal et al. 10.1016/j.uclim.2022.101290
- Size distributions of source-specific risks of atmospheric heavy metals: An advanced method to quantify source contributions to size-segregated respiratory exposure Y. Tian et al. 10.1016/j.jhazmat.2020.124355
- Measurement report: Interpretation of wide-range particulate matter size distributions in Delhi Ü. Şahin et al. 10.5194/acp-22-5415-2022
- Source apportionment resolved by time of day for improved deconvolution of primary source contributions to air pollution S. Bhandari et al. 10.5194/amt-15-6051-2022
- Investigation of Changes in Atmospheric Pollutants due to the Cessation of Anthropogenic Activities: Spatial Heterogeneity and Complex Atmospheric Chemistry S. Tripathi et al. 10.1007/s41810-023-00175-8
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- Measurement report: Hygroscopicity of size-selected aerosol particles in the heavily polluted urban atmosphere of Delhi: impacts of chloride aerosol A. Mandariya et al. 10.5194/acp-24-3627-2024
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- Effect of Biomass Burning on PM2.5 Composition and Secondary Aerosol Formation During Post‐Monsoon and Winter Haze Episodes in Delhi V. Lalchandani et al. 10.1029/2021JD035232
- Compositional Constraints are Vital for Atmospheric PM2.5 Source Attribution over India S. Pai et al. 10.1021/acsearthspacechem.2c00150
- Review of Secondary Aerosol Formation and Its Contribution in Air Pollution Load of Delhi NCR M. Mishra et al. 10.1007/s11270-022-06047-0
- Assessment of ozone toxicity on cotton (Gossypium hirsutum L.) cultivars: Its defensive system and intraspecific sensitivity I. Chaudhary & D. Rathore 10.1016/j.plaphy.2021.06.054
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- Influence of local meteorology and gaseous pollutant emissions on atmospheric nanoparticle concentrations in a pedestrian way in urban region K. Rajagopal et al. 10.1016/j.apr.2024.102358
3 citations as recorded by crossref.
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- Inferring Aerosol Sources from Low-Cost Air Quality Sensor Measurements: A Case Study in Delhi, India D. Hagan et al. 10.1021/acs.estlett.9b00393
- Modelling Complex Refractive Indices of Sub-micron Pure and Polluted Dust based on Compositional Sensitive Analysis . Sarla et al. 10.1007/s12647-022-00547-4
Latest update: 14 Dec 2024
Short summary
Delhi, India, is the most polluted megacity on the planet, posing acute challenges to public health. We report on source apportionment conducted on 15 months of highly time-resolved mass spectrometer data. We find that severe air pollution episodes are dominated by primary organic aerosol, while secondary organic aerosol dominates the fractional contributions year-round, suggesting the importance of sources as well as their atmospheric processing on pollution levels in Delhi.
Delhi, India, is the most polluted megacity on the planet, posing acute challenges to public...
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