On cold winter mornings, you may find the view from your window completely restricted by the cloud like formations that are dense, wispy and nearly opaque. This phenomenon is what meteorologists have come to refer to as ‘Fog’. Scientifically speaking, fog is nothing more than evaporated water droplets and ice crystals that are suspended near the surface of the earth. The constituents of both fog and clouds are nearly the same. Fog in itself can cause severe depletion in visibility resulting in the halt of many human activities, especially those related to transportation and mobility. However, the larger, more detrimental effects of fog are seen on people’s health when it mixes with the smoke and pollution in the air to form what is known as Smog.
The primary factor that contributes to the formation of smog is the increase in air pollution. Air pollutants from cars like Sulphur dioxide, nitrogen dioxide and various industrial pollutants like carbon monoxide, volatile organic compounds, ozone and particulate matter, mix with fog to form a dense layer of smog. Unlike fog which only stays for a short duration, smog tends to linger in the atmosphere throughout the day, giving rise to a variety of ailments, some of which affect:
Smog is a natural phenomenon which is the result of an ever increasing rate of air pollution through everyday activities. Smog is more common in industrial areas, but it also remains a familiar sight in cities.To prevent smog from harming your health, you must ensure that you limit your exposure to it. Avoid places which have huge amounts of air pollutants like traffic junctions, industrial zones, etc. Cover your face with a scarf/stole to prevent inhaling smog whenever you step out. And finally, reducing the amount of air pollution can have advantageous long-term effects on the health of all the residents of a city.
Dr Sandeep Pargi
Aster Hospital, Mankhool