Particulate Matter (Particulate Pollutants)

Particulate pollutants are small solid particles and liquid droplets suspended in air; many of them are hazardous. Examples: dust, pollen, smoke, soot and liquid droplets (aerosols). They are blown into the atmosphere by volcanic eruption and the blowing of dust; incomplete combustion of fossil fuels produces soot; combustion of high-ash fossil fuels creates fly ash; and th …