In response to the rapid spread of coronavirus disease-2019 (COVID-19) within and across
countries and the need to protect public health, governments worldwide introduced …

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

Particulate matter is a component of ambient air pollution that has been linked to millions of
annual premature deaths globally,–. Assessments of the chronic and acute effects of …

Although the multiphase chemistry of SO2 in aerosol particles is of great importance to air
quality under polluted haze conditions, a fundamental understanding of the pertinent …

Atmospheric soot and organic particles from fossil fuel combustion and biomass burning
modify Earth's climate through their interactions with solar radiation and through …

The literature on atmospheric particulate matter (PM), or atmospheric aerosol, has increased
enormously over the last 2 decades and amounts now to some 1500–2000 papers per year …

Secondary organic aerosol (SOA) is formed from the atmospheric oxidation of gas-phase
organic compounds leading to the formation of particle mass. Gasoline-and diesel-powered …

Elemental compositions of organic aerosol (OA) particles provide useful constraints on OA
sources, chemical evolution, and effects. The Aerodyne high-resolution time-of-flight aerosol …

Detection of bioaerosols, or primary biological aerosol particles (PBAPs), has become
increasingly important for a wide variety of research communities and scientific questions. In …

The new version of EPA's positive matrix factorization (EPA PMF) software, 5.0, includes
three error estimation (EE) methods for analyzing factor analytic solutions: classical …