Legal analysis: noise above 60 decibels is considered a nuisance. China's current national standards for the "B 3096-" "sound environment quality standards" provides for five types of sound environment functional areas of the environmental noise limits and measurement methods, applicable to the evaluation and management of the quality of the sound environment. Various types of standards applicable to the region of the country does not have a unified regulation on the size of the square dance music, the policy provisions vary from place to place, specific to the location of the local policy regulations shall prevail.
Legal basis: "The Chinese People's *** and the State Environmental Noise Pollution Prevention and Control Law"
Article 46 The use of household appliances, musical instruments or other indoor recreational activities, shall control the volume or take other effective measures to avoid environmental noise pollution to the surrounding residents.
Article 58 Violation of the provisions of this Law, one of the following acts, the public security organs shall give a warning, and may be fined: (a) the use of high-pitched broadcasting speakers in urban areas in the concentration of noise-sensitive buildings; (b) violation of the provisions of the local public security organs in urban areas in the streets, squares, parks and other public **** place to organize recreation, gatherings, and other activities, the use of sound equipment, produce Interference with the surrounding living environment of excessive volume; (3) failure to take measures in accordance with the provisions of Article 46 and Article 47 of this Law, from the family indoors to issue a serious interference with the lives of the surrounding residents of the environmental noise.