EN
Air protection is an environmental topic of high importance. Three fundamental fields of air protection may be found in the legal theory: ambient air quality, ozone layer protection, and the protection of climate system. These three are, of course, to some extent intertwined, but each area is different and needs its own regulation. This article deals with the topic of ambient air quality protection, focusing on the Czech legal framework for the operation of “stationary sources” of air pollution. According to the preliminary version of the new Czech report on air quality, the air quality in the Czech Republic is gradually improving. Some interesting data in this regard are included in the reports on air quality that the Czech Hydrometeorological Institute issues every year. The situation is bettering thanks to more factors; the administrative, legally regulated ones included. In the field of legal regulation, a very