Noise or sound level monitoring or measurement is a process to measure the magnitude of Noise in industries and residential area. Data collected from Noise level monitoring & Testing helps us to understand trends and action can be taken to reduce noise pollution.

Noise becomes a pollutant when it contaminates the environment, when becomes a nuisance and affects the health of persons, their activities and mental abilities, In other words, noise pollution is an unwanted sound, which is dumbed into atmosphere without regards to the adverse effects it may have.

Noise though not defined in any statue, is now included as an environmental pollutant in section 78 (Ambient Noise) Quality and Emission standard for Noise Act, 1980 and hence, recognized as a kind of air pollution