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Sources and hazards of nitrogen dioxide gas

Nitrogen dioxide is a kind of nitrogen oxide, which can be produced by human activities and natural behaviors. The natural sources of nitrogen dioxide are mainly lightning and microbial life activities. In addition to the natural sources of nitrogen dioxide, nitrogen dioxide that can lead to environmental pollution mainly comes from fuel combustion, and there are also more nitrogen dioxide in the exhaust of urban cars. In addition, some nitrogen dioxide can be produced in industrial processes. It is estimated that about 53 million tons of nitrogen oxides are emitted by man-made sources worldwide each year. Germany used satellite data in 2004 to map the global distribution of nitrogen dioxide, with high levels in most of Europe, some Cities in North America and parts of northeast China.

Nitrogen dioxide

Nitrogen dioxide can cause a variety of environmental problems on a large scale. It is one of the main factors in the formation of photochemical smog and a source of acid rain. When inhaled, nitrogen dioxide can have a strong stimulating and corrosive effect on lung tissue, resulting in pulmonary edema. People with respiratory problems, such as asthma, are more susceptible to no2. In children, no2 can cause lung development problems. Studies have shown that long-term exposure to nitrogen dioxide causes structural changes in the lungs.

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