Anthropogenic Emissions Strongly Influence New Particle Formation and Cloud Condensation Nuclei Activity in Coastal India

Measured raw and analysed data of aerosol microphysical properties (Size distribution, number concentration, hygroscopicity) and chemical composition (NR-PM1 and BC) from the coastal city of Chennai, India. These measurements were carried out between 25 March 2020 and 18 July 2020, comprising the COVID-19 induced lockdown and post-lockdown periods.