CSIR - National Environmental Engineering Research Institute (NEERI), Nagpur has launched a mobile application "Noise Tracker" to spread awareness against noise pollution. The Noise Tracker app (Sound Meter App) has been developed by young researchers from CSIR-NEERI, Nagpur. The Noise Tracker App is a real time noise monitoring application dedicated to evaluate noise levels in the surrounding environment as professional sound meter performs. This App will use the phone microphone to measure e