Did You Know Smog Is Another Form Of Fog!

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Did You Know Smog Is Another Form Of Fog!
Did You Know Smog Is Another Form Of Fog!

At the last day of the year in Delhi, the mood of the weather is going in another direction. It may be romantic cold or it is smog?? So finally, here we want to share the what is the basic difference between fog and smog?

When you look up at the sky, you may notice low greyish clouds in the sky. Is it smog or fog? Though they look the same, smog and fog are formed quite differently. Smog is a form of air pollution, resulting from chemical toxins dispersed into the atmosphere whereas fog is the accumulation of floating water droplets in the air.

Fog

difference between fog and smog?
Delhi suffers
  • Fogs are composed of water droplets, which disperse light and reduce visibility near the earth’s surface. Fog layers form when moist air is cooled to its dew point (or saturation point). There are several different types of fog, which are formed under varying circumstances.
  • Radiation fog typically forms at night when surface heat is radiated into space. As the earth’s surface cools, the air reaches complete humidity, which then turns into fog.
  • Evaporation or mixing fogs occur when water vapour (from evaporation) mixes with cooler, drier air. Steam fog forms when cooler air drifts over warm water, whereas frontal fog forms when warm rain droplets evaporate into the cooler air near the surface.

Effects of Fog

  • Fog is generally associated with hazardous driving conditions. Because drivers cannot see very far in front of them (oftentimes, their depth perception becomes skewed), foggy weather can cause many dangerous accidents.
  • When driving in low visibility, keep your speed under 40 mph and use just the low beams on your headlights. Do not use high beams, as they can reflect fog back onto your windshield.

Smog

difference between fog and smog?
flights delay
  • In the early 20th century, smog originated as a blend of smoke and fog. In 2011, it is defined as the mix of ground-level ozone and other pollutants. Ground-level ozone, unlike the earth’s elevated ozone layer, can cause choking, coughing and other health problems.
  • Smog forms when organic compounds and nitrogen oxides chemically react with sunlight to create ozone. These pollutant compounds often come from the automotive exhaust, factories, power plants and even your hairspray.

Effects of Smog

  • Smog is linked to automobile traffic, sunlight and mild winds. Extremely warm and sunny days expedite smog formation; the longer the warm air remains stagnant near the surface, the longer the smog is bound to stay.
  • Most major cities experience smog, especially in areas of heavy automobile traffic, such as Los Angeles. In addition to harming the environment, smog causes breathing ailments, asthma, lung infections and eye irritations. Smog also damages plants and forests.

 

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