. PM is the name for an airborne mixture of liquid droplets and solid particles, such as dust, dirt, soot, or smoke [4]. Although there are many other sources of air pollution, incomplete combustion processes in motor vehicles, industrial facilities, power plants, and kitchen activities are ...
Indoor samples were collected in the sitting rooms; where impossible (e.g., one-room houses) indoor samples were collected in the middle of the room. There were no restrictions on the activities undertaken during the sampling, therefore, participants carried out their normal activities. For out...