"Luftkurort, literally meaning ´air spa´, is a title given to towns or cities in Austria and Germany which are health resorts which have a climate and ...
[Read more]
air quality which is considered beneficial to health and recovery. Tests are repeated on a regular basis to ensure that standards of air quality are maintained. A municipality with this classification can charge a health resort tax for all guests who spend the night there." - (en.wikipedia.org 30.03.2021)