Category: English Essay

Smog is derived from two words i.e. smoke and fog which is also described as the type of fog having smoke or soot particles in it or a mixture of various gases with dust and water vapour and makes breathing difficult. It is a yellowish or blackish fog mainly formed by a mixture of air pollutants like nitrogen oxides, sulphur oxides and some other organic compounds that combine with sunlight to form ozone.

In certain other cities, such as Lahore, smog severity is often aggravated and in 17 years such an alarming situation raised called it as health emergency. The atmospheric pollution levels of Los Angeles, Beijing, Lahore, Delhi, Tehran etc. are increased by inversion that traps the pollution close to the ground, in Lahore due to smog visibility is poor, children are preferred to remain indoor as it is highly toxic to humans and can cause severe sickness, even shortened life. Lets see the sources of smog, how it affects our health and how it is formed; what are the necessary precautions that we can take etc.

Sources of Smog are: emissions from vehicles, construction, open burning, incinerators, factories, lawnmowers, coal-fired power generation stations, diesel & gasoline vehicles, solvents, cleaners & oil paints, pesticides and through winds which carries pollutants.