STUDY OF FLUCTUATING NOISE LEVELS IN PALGHAR, MUMBAI, INDIAPRACHITI MULE*, NITESH JOSHI1*, BHARATI BIST* AND AMBIKA JOSHI**Abstract Ganesh festival is a very popular festival in Maharashtra. Idols of lord Ganesh are brought to homes and also in public places to worship for a period of 11days. On the final day the idols are immersed in a nearby water body. The occasion is celebrated with huge pomp and splendour. Noise levels, at four different locations in Palghar tehsil a far western suburban of Mumbai city were recorded with a sound level meter on a normal working day and the final day of the festival. Noise pollution indices vizLeq,, Lmax, Lmin, L10 , L90 LNP(Noise Pollution Levels) and Noise Climate were calculated. Noise levels exceeded the norms set by the central pollution control board on both the days with conspicuous increase in noise levels on the final day at all the sites Vaitarna site indicated the category of safe zone on festive and non-festive day. Saphale site exhibited low to moderate risk zone category for 4pm, 5pm and 6 pm time slot for festive days and for rest all time slots of festive day it showed the category of high risk zone. Boisar site indicated high risk on festive day. On non-festive day Saphale, Palghar and Boisar site indicated safe zone, safe to low risk zone and safe to moderate zone category respectively. Noise levels are not monitored by any agency in this area.
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