City’s noise pollution levels reduce by 10% this Diwali [http://cmsenvis.cmsindia.org/resources/newspaper/details.asp?id=92803]Nashik: Noise pollution has reduced by 10% this Diwali as compared to the previous year, reveals data with the Maharashtra Pollution Control Board (MPCB).Also, in the last two years, the sound levels have reduced by 30%. The ambient air quality monitored by the MPCB during Diwali was moderate. The compiled data of air quality index recorded during pre-Diwali, Diwali and post-Diwali period shows moderate range.