Ozon – O3

Ozone is a colourless, toxic gas. At ground level, it is formed from nitrogen oxides and other volatile organic compounds by solar radiation, through photochemical processes.

  • Main sources: road traffic, combustion plants, solvents, agriculture
  • Health effects: damage to the lungs, intensification of asthma symptoms or other lung diseases, irritation of the respiratory tract
  • Affected risk groups: people with lung diseases, children, seniors, people active outdoors
  • Environmental impact: impaired plant growth, quality and quantity of agricultural products