What is the difference between smog and fog?

When you look up at the sky, you may notice low grayish clouds in the sky. Is it smog or fog? Though they look the same, smog and fog are formed quite differently. read more

Smog is fog + smoke, it is seen in big cities or we say, in big cities, fog is always a mixture of fog and smog. Smog is blackish in nature usually but its color may change depending upon the color of other pollutants present in the atmosphere. read more

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. read more

The Difference Between Mist, Fog, Smog, Haze And Vog: There are a lot of different names for that stuff that causes reduced visibility—and an agonizingly long commute—in the morning. read more