The current study defines the characterization of PAH in PM2.5 and PM10 samples collected from five different sectors (residential, health, commercial, industrial and vehicular zone) of Faisalabad, Pakistan. Regarding PAH (poly aromatic hydrocarbons) very little information is available which is a persistent environmental pollutant in Faisalabad, Pakistan. It was reviewed from previous studies that the concentration level of PAH was observed greater in during winter because of climatic effects and changes in the sources of emission. The sampling sites were the busiest and heavy-traffic areas of Faisalabad. PAH’s calculated through Gas Chromatography. PAH was found in the sequence of Naph (0.001) ˃ Phe (0.001) ˃ Fl (0.001) ˃ Ant (0.01) ˃ Ace (0.001) ˃ Acy (0.001) against chemical characterization of PM2.5 and PM10. The average concentration of PAH was found to be 110.97 and 115.24 μg/m3 for PM2.5 and 117.14 and 122.84 μg/m3 for PM10 in the summer and winter seasons, respectively. Among the determined polycyclic aromatic hydrocarbons Naph (0.001) was found to be in highest concentration.
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Ibrahim et al. (2024) studied this question.
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