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Sensing Dehradun, Aryabhata Research Institute of

Observational Sciences Nainital, GB Pant National
Institute of Himalayan Environment and Development
Mohal-Kullu, and more. Based on his research he said that
the level of atmospheric aerosols in Kullu valley is much

higher than high altitude stations like Hanely and Nainital.
He told that the during post-monsoon and winter season
the relative contribution of fine-size particles is higher

compared to other seasons, whereas in summer the large-
size particles are dominant. In post-monsoon and winter,
the anthropogenic activity in the form of forest fire,

biomass burning, fuel wood burning in the Kullu valley
reaches to its maximum level, which emitting a large
amount of aerosols into the atmosphere. In summer, the

desert aerosols which are transported by airmass from
outer regions contributing in total aerosol loading. He
addressed the gathering to spread awareness about effects

of aerosols and to cut their emission. Aerosols not only
effect climate but also have adverse effect on human
health.