Nitrogen dioxide (NO2)

Nitric oxides are by-products of combustion processes. Under sunlight, they are instrumental in the formation of ground-level ozone and are also a source of fine dust.

  • Main sources: road transport, combustion plants, solvents, agriculture
  • Health effects: irritants and narrows the bronchi, intensifies lung diseases, increases the risk of diabetes and heart/circulatory diseases
  • Affected risk groups:  persons with lung disease or increased cardiovascular risk, children, seniors, outdoor active persons
  • Effects on the environment: Impaired plant growth, leading to overfertilization and acidification of soils and waters.