Smog in Lahore: Today’s Update and Reasons for Smog Holidays
Understanding Smog and Its Formation What is smog? Smog is a thick haze of fog and smoke caused mainly by chemicals and particulate matter. Ground-level ozone, nitrogen oxides and sulfur dioxide are its components. The main cause of smog production is the condensation of the vapours from automobile and factory emissions in sunlight. Such a […]