Explain the primary and secondary air pollutants, Biology

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Explain the Primary and Secondary air Pollutants

a. Primary pollutants -emitted directly 

  • Particulate matter (<10μm)
  • Sulfur dioxide (SO2)
  • Nitrogen dioxide (NO2)
  • Carbon monoxide (CO)
  • Particulate lead (Pb)

 

b. Secondary pollutant- formed in the lower atmosphere by chemical reactions among primary pollutants

  • Ozone (O3)

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