| Summary: | The paper presents a review of publications on the concentrations of polycyclic aromatic hydrocarbons (PAHs) in the atmosphere of the Baltic Sea Region (BSR). It indicates the main emission sources of these substances, related to anthropogenic activity. These include incomplete combustion of fuels in engines on land and from marine transportation, as well as the burning of coal in the community sector. High PAH concentrations in the air are also related to increased industrial activity in urban areas. In the Baltic Sea Region, Germany and Poland have been determined to be responsible for the greatest proportion of PAH emissions. However, the highest number of exceedances of the accepted annual norm for benzo(a)pyrene concentrations was recorded in Poland.
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