Evaluation of noise pollution of industrial cities in Ghaziabad by noise map using ARC GIS

Abstract

Industrial Noise pollution means noise pollution that is clashing and intolerable that occurs in most of the factories. Sound occurs in intolerable form only when it becomes offensive and when it becomes more than a limit that it is known as “noise pollution”. A Geographic Information System (GIS) is a system that generate, be head of, investigate, and maps all forms of information given. GIS joins information to a map, combine location information (where data are to be) with all forms of illustrative information (what data is like present there). This leads to starting point for mapping and investigation that is used in technology and almost every in every industrial factories. Noise maps are implementes to evaluate the effects of noise pollution. In this paper, evaluation of noise pollution of two industries are done which are located in different areas of ghaziabad city. Both industries are machine manufacturing industries. With the aid of a sound level meter (SL-4010), the noise data is gathered. In April, May, and June 2023, measurements are made for both industries in three time periods: 8 a. m. to 10 a. m., 12 p. m. to 2 p. m., and 4 p. m. to 6 p. m. Sound meters were used to measure the noise levels in terms of L10, L50, L90, LAeq, and LNP. As the data observed of both industries from april to june the value of LEQ in morning time (8am-10am) is 73. 96 dB to 79. 26 dB, in afternoon time (12pm-2pm) is 70. 15 dB to 78. 20 and in evening time (4pm-6pm) is 75. 87 dB to 80. 89 dB. As it is observed that industries are producing higher noise pollution beyound a limit set by CPCB.