Acidity, defined as pH, is a central component of aqueous chemistry. In the atmosphere, the
acidity of condensed phases (aerosol particles, cloud water, and fog droplets) governs the …

Highly oxygenated organic molecules (HOM) are formed in the atmosphere via autoxidation
involving peroxy radicals arising from volatile organic compounds (VOC). HOM condense on …

Biomass burning (BB) is a significant air pollution source, with global, regional and local
impacts on air quality, public health and climate. Worldwide an extensive range of studies …

Air quality is concerned with pollutants in both the gas phase and solid or liquid phases. The
latter are referred to as aerosols, which are multifaceted agents affecting air quality, weather …

Anthropogenic emissions and land use changes have modified atmospheric aerosol
concentrations and size distributions over time. Understanding preindustrial conditions and …

Atmospheric aerosols and their effect on clouds are thought to be important for
anthropogenic radiative forcing of the climate, yet remain poorly understood. Globally …

Urban air pollution represents one of the greatest environmental challenges facing mankind
in the 21st century. 1, 2 Noticeably, many developing countries, such as China and India …

As the world's second largest economy, China has experienced severe haze pollution, with
fine particulate matter (PM) recently reaching unprecedentedly high levels across many …

New particle formation (NPF) represents the first step in the complex processes leading to
formation of cloud condensation nuclei. Newly formed nanoparticles affect human health, air …

Severe haze events with exceedingly high-levels of fine aerosols occur frequently over the
past decades in the North China Plain (NCP), exerting profound impacts on human health …