There are strong indications that exposure to ultrafine particles (UFP)(mobility diameters≤
100 nm) can induce adverse health effects. UFP can be present in the atmosphere through …

East Asian countries experience severe air pollution owing to their rapid development and
urbanization induced by substantial economic activities. South Korea and China are among …

Particle number concentration (PNC) is an important parameter for evaluating the
environmental health and climate effects of particulate matter (PM). A good understanding of …

Abstract Since the Clean Air Act amendments of 1970, various efforts have been made in the
United States to control ambient particulate matter and improve air quality. Although …

Abstract A long-term (2013–2019) PM 2.5 speciation dataset measured in Tian**, the
largest industrial city in northern China, was analyzed with dispersion normalized positive …

During the past two decades, efforts have been made to further reduce particulate air
pollution across New York State through various Federal and State policy implementations …

Estimates of tyre and brake wear emission factors are presented, derived from data collected
from roadside and urban background sites on the premises of the University of Birmingham …

Ambient concentrations of volatile organic compounds (VOCs) vary with emission rates,
meteorology, and chemistry. Conventional positive matrix factorization (PMF) loses …

During the unprecedented COVID-19 city lockdown, a unique opportunity arose to dissect
the intricate dynamics of urban air quality, focusing on ultrafine particles (UFPs) and volatile …

Receptor models like positive matric factorization (PMF) have been widely used in
atmospheric studies for source identification and quantification. However, one of the issues …