Temporal variability of polycyclic aromatic hydrocarbons and their oxidative derivatives in Beijing, China: wintertime observations

Atallah Elzein

Annual Aerosol Science Conference 2018

Podium

Exposure to outdoor high particulate loading of PM2.5 has become linked to harmful health effects and can affects populations living. Polycyclic Aromatic Hydrocarbons (PAHs) are one class of species within the air pollution that have mutagenic effect on human health, they can undergo gas phase reaction with oxidants in the atmosphere leading to the generation of a range of airborne nitrated-PAHs (NPAHs) and oxygenated-PAHs (OPAHs).

This study shows the variation in diurnal and nocturnal emissions of 16 PAHs, 9 NPAHs and 9 OPAHs in ambient Particulate Matter (PM) of Beijing in winter and estimate the cancer risk associated with inhalation of PM2.5.

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