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  2. The people in those cars may be drowning in a sea of smog, but they at least can take solace in seeing a scarlet sunset blazing across the horizon. According to urban legend, air pollution ...

  3. The aerosols in smog are varied, and relatively large, to the point that they can scatter every wavelength of light. The result is a sunset with no colors at all. The sky is simply a hazy, grayish white, with all of the yellow, orange and red having been scattered out before they could reach the eye.

    • Julia Layton
  4. Yellow and orange light has shorter wavelengths than red light, so sunsets and sunrises in polluted areas often have a higher proportion of red light. That isn’t to say that every red sunrise or sunset is the result of air pollution.

  5. Apr 25, 2017 · Pollution is an often cause given behind bright, vibrant sunsets. What Causes a Sunset? Over the history of man, people have tried to explain the reason why the beauty of sunsets differ from any other time of the day and have come up with many theories.

  6. Jul 18, 2018 · So by the time the sunlight reaches our eyes there is generally more of the red and yellow parts of the spectrum remaining. Dust and smoke particles commonly build up in the atmosphere beneath high-pressure systems, which are generally associated with dry and settled weather.

  7. Nov 22, 2019 · NOAA. At sunset, light has to travel through a greater distance of atmosphere to reach our eyes — so even more blue light, and even some green and yellow light, gets filtered out. That leaves us...

  8. Mar 9, 2019 · Pollution also changes the sunrise or sunset. In crowded cities, pollution from auto engines blocks many shades of light. The sunsets in highly polluted areas are just bright red instead of a pattern of colors.

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