H I G H L I G H T S
• Average PM0.6 concentration indoor
was about 94.44 μg/m3.
• PMF used to identify the strength of indoor
air pollution sources.
• Eight metals Ba, Ca, Cr, Cu, Fe, Mg, Ni
and Pb were quantified
• Identified sources: Coal combustion, Tobacco
smoking, Wall dust, Soil particles
& Wooden furniture.