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7.2 Photochemical Smog

Part of Atmospheric Pollution in AP® Environmental Science. Read the opening section, then create a free account for the full interactive lesson, practice, and progress tracking.

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Photochemical smog is the brownish haze you see over cities like Los Angeles, Beijing, Mexico City, and Delhi. It's formed when nitrogen oxides and volatile organic hydrocarbons react with heat and sunlight to produce a variety of pollutants, most importantly ground-level ozone.

In this unit

8 lessons

  1. 7.1Introduction to Air PollutionPreview lesson
  2. 7.2Photochemical SmogThis lesson
  3. 7.3Thermal InversionPreview lesson
  4. 7.4Atmospheric CO2 and ParticulatesPreview lesson
  5. 7.5Indoor Air PollutantsPreview lesson
  6. 7.6Reduction of Air PollutantsPreview lesson
  7. 7.7Acid RainPreview lesson
  8. 7.8Noise PollutionPreview lesson

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