Assessment of noise pollution was carried out in Aizawl city of Mizoram during August 2009 to July 2011. Different levels of noise were recorded from industrial zones, commercial zones, residential zones and silence zones by using Sound Level Meter 2031/A. Of all the four zones, residential zones and silence zones were found to exceed the standard prescribed by the Noise Pollution (Regulation and Control) Rules, 2000. Among the commercial zones New Market and Zangena Petrol Pump exceed the standard level. And all the study sites under industrial zones were within the standard level. Detailed information is presented in the paper.