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Measurements of fine (PM2.5) and inhalable (PM10) particles were collected at the Alaknanda Valley in the heart of Garhwal region during December 2015–December 2016. Collected samples of PMs were analyzed for major chemical species as anions (F−, Cl−, SO42−, NO2− and NO3−) and cations (Na+, NH4+, K+, Ca2+ and Mg2+) by ion chromatography. During the study period, the concentrations of PM2.5 and PM10...
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