Two prevailing atmospheric phenomena, fog and smog, have a weighty influence on human health. Both are birthed from air pollutants yet they are distinctive in their makeup and environmental effects.

While terms like fog, super fog, and smog have been thrown around a lot lately, there are key differences between them all. We get normal fog from three ingredients: clear skies, calm winds ...

Is it fog or smog? This is the question that often comes to our minds, especially in winter in Delhi, when both weather ...

HERE’S METEOROLOGIST DEVON LUCIE TO BREAK DOWN THE SCIENCE OF THE SUPER FOG. DEVIN. YEAH, THAT’S ONE WORD FOR IT. I’M A LITTLE BIT LITERAL TO IT. AND THE ORIGINATION OF THE WORD SMOG CAME ...

Because this was combination of fog and smoke, this is better known as smog. When it comes to smog or fog the visibility really amounts to a specific distance. Clarity can range from two to six ...

After nearly 10 days of an inversion along the Wasatch Front, the smog is finally clearing out ... We were seeing a lot of fog, especially close to the Great Salt Lake," Manhan said.

From the eerie haze that choked London to the deadly fog that gripped Donora ... What happened to the survivors? Did the smog sentence them to early graves? Spoiler alert: not everything is as clear — ...

A policeman uses flares to guide traffic during the Great Smog of 1952. Daily Mirror Library / Mirrorpix / Contributor via Getty Images At first, the headlines were calm. “Fog blanketed London ...