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