Particulate matter (PM10) are inhalable and respirable particles composed of sulphate, nitrates, ammonia, sodium chloride, black carbon, mineral dust and water. with a diameter of less than 10 microns (PM10), Sources of PM include combustion engines (both diesel and petrol), solid-fuel (coal, lignite, heavy oil and biomass) combustion for energy production in households and industry, as well as other industrial activities (building, mining, manufacture of cement, ceramic and bricks, and smelting).
Particulate matter 10
340 (variable) - 80 (variable) µg/Nm3 (ppm)
24 hour Annual
|Time –weighted average||Averaging Time||Number of allowable exceedances|
|340 µg/m3||24-hour||24 times per annum|
24 times per annum3 - N/A