Nitrogen Dioxide (NO2) is a highly reactive gas that is formed as a result of oxidation of nitric oxides. It is a natural process and is produced naturally in the atmosphere in a very small quantity. However, its production as a result of human activities is way greater than the natural production process. Nitrogen dioxide (NO2) is a by-product produced on burning of hydrocarbons. Vacker KSA supplies Nitrogen Dioxide Gas Detectors across various regions of Saudi Arabia.