Abstract

Data on black carbon (BC) concentration CBC in the air basin of Moscow, and 5-day back trajectories of air mass motion, obtained in the period of 2003–2014, were used to determine the dependence of variations in black carbon concentration in the air basin of Moscow on the direction of air mass transport, and to determine the black carbon source regions. The 12-year measurements of black carbon concentration in Moscow air are used to show that the СBC variations are determined by the character of the air mass circulation in the troposphere. Measurements of black carbon content in the Moscow air basin in June–September 2019 and 10-day back trajectories of air mass transport were used to study the effect of the latter on the air pollution level in Moscow.

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