Articles | Volume 20, issue 11
Atmos. Chem. Phys., 20, 6953–6971, 2020
https://doi.org/10.5194/acp-20-6953-2020
Atmos. Chem. Phys., 20, 6953–6971, 2020
https://doi.org/10.5194/acp-20-6953-2020

Research article 12 Jun 2020

Research article | 12 Jun 2020

Air mass physiochemical characteristics over New Delhi: impacts on aerosol hygroscopicity and cloud condensation nuclei (CCN) formation

Zainab Arub et al.

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AR by Zainab Arub on behalf of the Authors (28 Mar 2020)  Author's response
ED: Publish subject to minor revisions (review by editor) (02 Apr 2020) by Veli-Matti Kerminen
AR by Zainab Arub on behalf of the Authors (12 Apr 2020)  Author's response    Manuscript
ED: Publish as is (16 Apr 2020) by Veli-Matti Kerminen
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Short summary
Aerosol physiochemical properties were characterized for three prominent air masses over New Delhi, a highly polluted megacity. The chemical composition and size distribution data were used to deduce the hygroscopicity parameter and cloud condensation nuclei (CCN) number concentration. The activated fraction was the highest in the world for any continental site. The aerosol physiochemical properties and their diurnal patterns were interlinked and impacted aerosol hygroscopicity and CCN activity.
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