Fine particulate matter poses a negative effect on air quality and public health. The formation
and dispersion of PM2. 5 are often affected by the urban built environment. Previous …

Hazard maps are essential tools to aid decision makers in land-use planning, sustainable
infrastructure development, and emergency preparedness. Despite the availability of …

Abstract Coronavirus disease 2019 (COVID-19) has delayed global economic growth, which
has affected the economic life globally. On the one hand, numerous elements in the …

In this paper, the authors investigated changes in mass concentrations of particulate matter
(PM) during the Coronavirus Disease of 2019 (COVID-19) lockdown. Daily samples of PM1 …

Particulate matter is the parameter of most concern in air quality monitoring in Malaysia. This
study discusses the variations and clustering of PM2. 5 recorded from 2018 to 2019 at 65 …

The stringent COVID-19 lockdown measures in 2020 significantly impacted people's mobility
and air quality worldwide. This study presents an assessment of the impacts of the lockdown …

The accurate prediction of PM 2.5 concentrations is essential for health risk assessment and
the formulation of air pollution prevention and control strategies. In this study, we selected a …

Source apportionment of PM2. 5 in Lanzhou, China, was carried out using positive matrix
factorization (PMF). Seventeen elements (Ca, Fe, K, Ti, Ba, Mn, Sr, Cd, Se, Pb, Cu, Zn, As …

Exposure to air pollution is one of the greatest environmental risks for human health. Air
pollution level is significantly driven by anthropogenic emissions and meteorological …

The daily air quality indices (AQIs) for pollutants, including particulate matter (PM 10 and PM
2.5), carbon monoxide (CO), nitrogen oxides (NO 2), ozone (O 3), and sulfur dioxide (SO 2) …