Residential biomass burning has been pointed out as one of the largest sources of fine
particles in the global troposphere with serious impacts on air quality, climate and human …

It has long been known that cooking can create high concentrations of aerosol indoors.
Increasingly, it is now being reported that cooking aerosol is also a significant component of …

Heavy metal (loid) s are natural constituents of the Earth's crust, and apportionment of their
sources in surface soils is a challenging task. This study evaluated the application of positive …

Source apportionment is generally applied to a time series of pollutant concentrations
measured at a single site. However, in a complex airshed having multiple pollutant sources …

India is used as a case study in reviewing the application of receptor models for source
apportionment. India has high concentrations of airborne particulate matter, and the …

Background Traffic congestion is a significant issue in urban areas in the United States and
around the world. Previous analyses have estimated the economic costs of congestion …

In this study, the positive matrix factorization (PMF) model was used for source
apportionment of ambient PM 2.5 in two locations in the central Tehran from May 2012 …

As soil-extractable elements potentially pose ecological and health risks, identifying their
contamination characteristics and sources is crucial. Therefore, to understand topsoil trace …

Abstract The Government of India (GOI) announced a nationwide lockdown starting 25th
March 2020 to contain the spread of COVID-19, leading to an unprecedented decline in …

Background: Short-term exposure to ambient fine particulate matter (PM2. 5) concentrations
has been associated with increased mortality and morbidity. Determining which sources of …