Modern air dryers may not be as hygienic as you think. On the contrary, they may spread many more virus particles, around a working environment than paper towels, when they are used for drying your hands*. If you want to be CLEAN and HYGIENIC, Katrin believes that you should use paper towels not air dryers to dry your hands.
* SOURCE: https://europeantissue.com/hygiene/studies/uow/The research was published by Cambridge University Press on behalf of The Society for Healthcare Epidemiology of America.