Ambient particulate matter (PM2.5 and PM10)
concentrations were measured during two different seasons (summer and winter)
at three different locations of Gurugram which is located in the Indo-Gangetic
plain of India. The ambient concentrations of both PM2.5 and PM10 were higher during winter season (PM2.5: 261μg·m-3;
PM10: 440 μg·m-3) when compared to summer
period (PM2.5: 114 μg·m-3; PM10:
202 μg·m-3). Potential Source Contribution Function (PSCF) analysis suggests
significant seasonal variation in potential contributing locations of ambient
PM2.5 over the study area. The PSCF analysis suggests that cross country transport of PM2.5 from Pakistan and Afghanistan significantly attributed to higher concentrations
of PM2.5 at the study locations; whereas,
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