To control the spread of the novel 2019 Coronavirus (COVID‐19), the Government of India
enforced nationwide social and transportation restrictions (lockdown) in three phases from …

Highly oxygenated molecules (HOMs) are a class of compounds associated with secondary
organic aerosols exhibiting high oxygen to carbon (O: C) ratios and often originating from …

Gas-phase autoxidation–the sequential regeneration of peroxy radicals (RO2) via
intramolecular hydrogen shifts (H-shifts) followed by oxygen addition–leads to the formation …

Nanocluster aerosols (NCAs, particles< 3 nm) are important players in driving climate
feedbacks and processes that impact human health. This study reports, for the first time …

Nanoparticle growth influences atmospheric particles' climatic effects, and it is largely driven
by low-volatility organic vapors. However, the magnitude and mechanism of organics' …

Oxygenated organic molecules (OOMs) are important oxidation products of volatile organic
compounds (VOCs), and they act as key condensable vapors for new particle formation …

Aksoyoglu, S., J. Keller, G. Ciarelli, ASH Prévôt, and U. Baltensperger, 2014: A model study
on changes of European and Swiss particulate matter, ozone and nitrogen deposition …

Secondary organic aerosol (SOA) from pollution sources is thought to be a minor component
of organic aerosol (OA) and fine particulate matter beyond the urban scale. Here we present …

Cloud droplets form in the atmosphere on aerosol particles, many of which result from
nucleation of vapors. Here the authors comment on current knowledge and open questions …

New particle formation and growth greatly influence air quality and the global climate.
Recent CERN Cosmics Leaving OUtdoor Droplets (CLOUD) chamber experiments …