Primary Pollutants

injected into the atmosphere directly..... examples include:

  • carbon monoxide (CO)
    • odorless, colorless, poisonous gas
    • created by incomplete combustion (especially bad with older cars)
    • generates headaches, drowsiness, fatigue, can result in death
  • oxides of nitrogen (NOx, NO)
    • NO - nitric oxide
    • emitted directly by autos, industry
  • sulfur oxides (SOx)
    • SO2 - sulfur dioxide
    • produced largely through coal burning
    • responsible for acid rain problem
  • volatile organic compounds (VOCs)
    • highly reactive organic compounds
    • release through incomplete combustion and industrial sources
  • particulate matter (dust, ash, salt particles)
    • bad for your lungs