Tropospheric Nitrogen Dioxide

  • Released Monday, August 20, 2018
  • Updated Friday, July 22, 2022 at 10:11AM
  • ID: 30986

Major sources of tropospheric NO2 include industrial emissions, automobile traffic, forest and brush fires, microbiological soil emissions, lightning, and aircraft. More than half of the total NO2 emissions are estimated to be anthropogenic, mainly from the burning of fossil fuels for energy production, transportation, and industrial activities. NO2 has a relatively short lifetime (about a day) and is therefore concentrated near its sources.


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