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Evaluation of atmospheric pollution with PAHS and PM10 above the water area of Lake Baikal during wildfires in Summer 2019

We present the temporal and spatial variability of hazardous pollutants, such as polycyclic aromatic hydrocarbons (PAHs) and solid particle РМ10 above the surface of Lake Baikal during wildfires in the north of the Irkutsk Region, Krasnoyarsk Krai, and Yakutia in July 2019. Background values were determined along the west and northeast coast of the lake. We detected elevated concentrations in areas subjected to anthropogenic impact in the water area of Southern Baikal near the Listvyanka settlement and the towns of Baikalsk and Slyudyanka. The maximum amounts were recorded in smoke plumes from wildfires along the west coast, from Central to Southern Baikal.