Articles | Volume 20, issue 2
https://doi.org/10.5194/acp-20-735-2020
https://doi.org/10.5194/acp-20-735-2020
Research article
 | 
22 Jan 2020
Research article |  | 22 Jan 2020

Sources and atmospheric dynamics of organic aerosol in New Delhi, India: insights from receptor modeling

Sahil Bhandari, Shahzad Gani, Kanan Patel, Dongyu S. Wang, Prashant Soni, Zainab Arub, Gazala Habib, Joshua S. Apte, and Lea Hildebrandt Ruiz

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Cited articles

Aiken, A. C., Salcedo, D., Cubison, M. J., Huffman, J. A., DeCarlo, P. F., Ulbrich, I. M., Docherty, K. S., Sueper, D., Kimmel, J. R., Worsnop, D. R., Trimborn, A., Northway, M., Stone, E. A., Schauer, J. J., Volkamer, R. M., Fortner, E., de Foy, B., Wang, J., Laskin, A., Shutthanandan, V., Zheng, J., Zhang, R., Gaffney, J., Marley, N. A., Paredes-Miranda, G., Arnott, W. P., Molina, L. T., Sosa, G., and Jimenez, J. L.: Mexico City aerosol analysis during MILAGRO using high resolution aerosol mass spectrometry at the urban supersite (T0) – Part 1: Fine particle composition and organic source apportionment, Atmospheric Chemistry and Physics, 9, 6633–6653, https://doi.org/10.5194/acp-9-6633-2009, 2009. a, b
Al-Naiema, I. M., Hettiyadura, A. P. S., Wallace, H. W., Sanchez, N. P., Madler, C. J., Cevik, B. K., Bui, A. A. T., Kettler, J., Griffin, R. J., and Stone, E. A.: Source apportionment of fine particulate matter in Houston, Texas: insights to secondary organic aerosols, Atmos. Chem. Phys., 18, 15601–15622, https://doi.org/10.5194/acp-18-15601-2018, 2018. a, b
Apte, J. S. and Pant, P.: Toward cleaner air for a billion Indians, P. Natl. Acad. Sci. USA, 116, 10614–10616, https://doi.org/10.1073/pnas.1905458116, 2019. a
Apte, J. S., Marshall, J. D., Cohen, A. J., and Brauer, M.: Addressing global mortality from ambient PM2.5, Environ. Sci. Technol., 49, 8057–8066, https://doi.org/10.1021/acs.est.5b01236, 2015. a
ARAI and TERI: Source apportionment of PM2.5 and PM10 of Delhi NCR for identification of major sources, available at: https://www.teriin.org/sites/default/files/2018-08/AQM-SA_0.pdf (last access: 5 November 2019), 2018. a, b
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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.
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