The PM2.5 and PM10 samples were collected during Diwali celebration from study area and characterized for ionic concentration of four anions (NO3 −, NO2 −, Cl−, SO4 2−) and five cations (K+, Mg2+, NH4 +, Ca2+, Na+). The results showed that the ionic concentrations were three times compared to those on pre and post Diwali days. Predominant ions for PM2.5 were K+ 33.7 μg/m3, Mg+ 31.6 μg/m3, SO4 2− 22.1 μg/m3, NH4 + 17.5 μg/m3 and NO3 − 18 μg/m3 and for PM10 the ionic concentrations were Mg+ 29.6 μg/m3, K+ 26 μg/m3, SO4 2− 19.9 μg/m3, NH4 + 16.8 μg/m3 and NO3 − 16 μg/m3. While concentration of SO2 and NO2 were 17.23, 70.33 μg/m3 respectively.
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机译：在排灯节庆祝期间从研究区收集了PM 2.5 和PM 10 样品，并表征了四种阴离子（NO 3 − ，NO 2 -，Cl -，SO 4 2- sup>）和五个阳离子（K + ，Mg 2 + ，NH 4 + ，Ca 2 + ，Na + ）。结果表明，离子浓度是排灯节前后的三倍。 PM 2.5 的主要离子为K + 33.7μg/ m 3 ，Mg + 31.6μg/ m 3 ，SO 4 2 − 22.1μg/ m 3 ，NH 4 + 17.5μg/ m 3 和NO 3 - 18μg/ m 3 10 的离子浓度为Mg + 29.6μg/ m 3 ，K + 26μg/ m 3 ，SO 4 2- 19.9μg/ m 3 ，NH 4 + 16.8μg/ m 3 和NO 3 - 16μg/ m 3 。 SO 2 和NO 2 的浓度分别为17.23、70.33μg/ m 3 。
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