To cite package ‘PurpleAir’ in publications use:

Brokamp C (2026). PurpleAir: Query the 'PurpleAir' Application Programming Interface. R package version 1.1.1, https://github.com/cole-brokamp/purpleair.

Corresponding BibTeX entry:

  @Manual{,
    title = {PurpleAir: Query the 'PurpleAir' Application Programming
      Interface},
    author = {Cole Brokamp},
    year = {2026},
    note = {R package version 1.1.1},
    url = {https://github.com/cole-brokamp/purpleair},
  }