Changes in black carbon and PM2.5 in Tokyo in 2003-2017

Tatsuhiro Mori1, Sho Ohata2,3, Yu Morino4

  • 1Department of Physics, Faculty of Science Division I, Tokyo University of Science.

Summary

Black carbon (BC) mass concentrations in Tokyo significantly decreased from 2003-2010 due to emission reductions. Local sources remain the primary origin of BC, indicating domestic emission controls are key for further decreases.

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