Taking an important step towards raising awareness about pollution across the country, the government on Monday unveiled a National Air Quality Index with Prime Minister Narendra Modi launching a simple colour-coded tool to inform people about the quality of air they breathe.<br />Here is what it is all about.<br />In this video, we will discuss what is the Air Quality Index <br />and Components of AQI<br /><br />Particular matter (PM)<br />Nitrogen Oxides NOx)<br />sulfur dioxide (SO2)<br />sulfur dioxide (SO2),<br />and OZONE (O3)<br />
