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Author: Antonio Da Roza

Date: 12/8/10


Ozone (O3), a major constituent of photochemical smog, is formed by a series of complicated photochemical reactions of oxygen, NOx and volatile organic compounds in the presence of sunlight and warm temperature. [1]


Summer temperatures, direct sunlight and a standing air layer contribute to high ozone concentrations. [2]


Footnotes

  1. ‘Air Quality Objectives Review Public Consultation’, Environmental Protection Department Hong Kong, July 2009 - last accessed 5/8/10
  2. FAQ air pollution, (2009). Lenntech BV - last accessed 7/8/10