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The particulate matter (PM) emissions involve solids or liquid particles suspended in a gas, most found in the earth’s atmosphere. One of the major sources of PM emissions is the Circulating Fluidized Bed (CFB) and Pulverized Fuel fired (PF) boilers, IC engines, etc. The PM generated from CFB boilers usually consists of harmful substrates like Cu, Rb, Pb, Hg, As, and Se, which largely contribute to PM 2.5 emissions. PM emissions are the most common form of air pollutants that cause a wide variety of health problems, including lung cancers and cardiovascular diseases, so it is very important to regulate the PM emissions to a safe level, and with the advent of stricter norms like BS-VI, it has become a necessity to invent new methods of reducing and controlling PM emissions. In this article, we will focus on the new technologies and some currently available to keep the PM emissions in check.