Nitrogen dioxide is hydrated to produce nitrous acid which then oxidizes the sulfur dioxide to sulfuric acid and nitric oxide.
en.wikipedia.org The color of red fuming nitric acid is due to the dinitrogen tetroxide, which breaks down partially to form nitrogen dioxide.
en.wikipedia.org These dangerous pollutants are known as the criteria pollutants, and include ozone, particulates, sulfur dioxide, nitrogen dioxide, carbon monoxide, and lead.
en.wikipedia.org He also published on the ionization of hydrogen, carbon dioxide, nitrous oxide, nitrogen dioxide, water vapor, sulfur dioxide, and carbon disulfide.
en.wikipedia.org The nitrogen dioxide dissolves until the liquid is saturated, and evaporates off into fumes with a suffocating odor.
en.wikipedia.org