Hello, dancing is different from playing music. Dancing definitely involves movement and vibration. If the sound insulation effect of the community is not good, it will definitely bring great trouble to the downstairs. Standard words help you collect departmental information for your reference.

Indoor noise lighting standard

Noise standards and illumination standards stipulated by the state

Indoor allowable noise standard

Room Name Level 1, Level 2 and Level 3

Daytime bedroom ≤40 ≤45 ≤50

At night ≤30 ≤35 ≤40

sitting room

Daytime ≤45 ≤50 ≤50

At night ≤35 ≤40 ≤40

Noise standard value

The following table lists the standard values of five kinds of urban environmental noise.

Day and night classification

0 50 40

1 55 45

2 60 50

3 65 55

4 70 55

Level 0 is used for convalescence, villas, high-end hotels and other places that need to be quiet.

1 Living in rural areas where cultural and educational institutions are dominant can be referred to.

2 residential, commercial and industrial mixed zone

3 industries

4. Urban road traffic trunk lines and areas on both sides of roads