The data set contains the following ambient noise monitoring parameters: Equivalent sound level, dBA (Periodicity: 3 seasons: spring, summer, autumn, day, evening and night. All measurements must be made over a period of 1 week.). Maximum sound level, dBA (Periodicity: annually). 42 study sites were selected to monitor the ambient noise level. The purpose of environmental noise monitoring is to assess the level of environmental noise and the reasons for the changes. To provide the public with information related to the level of environmental noise in the environment of residential and public buildings.