Black carbon and biomass burning associated high pollution episodes observed at Doon valley in the foothills of the Himalayas

Key Messages

• Ground-based BC showed positive relationship with MERRA2-BC and CAMS-BC
• CBPF analysis identified the local sources of BC and BCbb
• CWT analysis identified regional and long-range sources of BC and BCbb
• CRB in NW-IGP enhanced BCbb during November
• Forest-fire burning in Himalayas and CRB in NW-IGP enhanced BCbb during May
• Local meteorological conditions and biomass burning activities enhanced BCbb during January

DOI: https://doi.org/10.1016/j.atmosres.2020.105001

*Ashish Soni, Sandeep Madhwal, Amitesh Gupta, Sangeeta Sundriyal, Vijay Shridhar, and Parth Sarathi Mahapatra are other authors of this article.