JJournal of Atmospheric Chemistry3/26/2025Characterization and source apportionment of PM2.5 and PM10 in a Mountain Valley: seasonal variations, morphology, and elemental compositionShyam Narayan Nautiyal·Sneha Gautam·Pankaj Kumar·Sanjeev Kumar·Veena Joshi·Alok Sagar Gautam·Karan SinghRead at Journal of Atmospheric ChemistryTagsAtmospheric chemistry and aerosolsAtmospheric Science