The monitoring of dust is a particular facet of air quality, utilized by industrial hygienist so as to indicate the amount of dust particles running in the cities, a workplace, or some other communities. Dust Monitors supplied by HNL Systems Pvt. Ltd make use of an innovative method that is known as Dynamic Detection Principle (DDP). The main purpose of the offered solutions is to measure the total amount of dirt and particulate coming from the exhaust gases, produced by manufacturing procedures. Dust Monitors are suitable for providing the correct calculation of active reaction as well as the ratio of light difference & light intensity. These are provided with real time in-situ monitoring, graphic LCD display, particulate screens with automated calls, microcontrollers etc.