To cite package ‘vayuayan’ in publications use:

  Choudhary S, Prajapat M (2026). _vayuayan: Air Quality Data from
  CPCB, OAQ, and WUSTL Satellite PM2.5_. R package version 0.2.0.9001,
  <https://github.com/saketlab/vayuayanr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {vayuayan: Air Quality Data from CPCB, OAQ, and WUSTL Satellite PM2.5},
    author = {Saket Choudhary and Mahesh Kumar Prajapat},
    year = {2026},
    note = {R package version 0.2.0.9001},
    url = {https://github.com/saketlab/vayuayanr},
  }