How many percent of pollution is in our air?
Air pollution occurs when substances like harmful gases, dust, fumes or odour are present in excessive amount in air. Various pollutants which are harmful to our health and comfort or which could cause damage to plants and animals may be present in air. However, the concentration of pollutants vary from one place to another. It's concentration is different in different cities.
The concentration of pollutants in the air for that particular day in that particular city can be determined by the Pollution control board data.