ISLAMABAD – Smog is derived from the combination of two words; smoke and fog . Smog is also used to describe the type of fog which has smoke orsoot in it which is a yellowish or blackish fog formed mainly by a mixtureof pollutants in the atmosphere which consists of fine particles and groundlevel ozone.——————————
When fuels are burnt, the atmospheric pollutants that form smog arereleased in the air and sunlight reacts with these fine particles
The main sources of smog are pollutants released directly into the air bygasoline and diesel-run vehicles, industrial plants and activities, andheating due to human activities.——————————
The major causes of smog in Lahore are: burning of fuel, smoke fromvehicular emission, industrial plants.
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In view of the fact that the air pollution is is type of trans-borderpollution, so, cross border (India) crop burning increases and continueunabated even though Pakistan Punjab has controlled its side.
