Nitrogen dioxide - Wikipedia
Nitrogen dioxide is a chemical compound with the formula NO2. One of several nitrogen oxides, nitrogen dioxide is a reddish-brown gas. It is a paramagnetic, bent molecule with C 2v point group symmetry.
Basic Information about NO2 | US EPA
2024年7月16日 · Nitrogen Dioxide (NO 2) is one of a group of highly reactive gases known as oxides of nitrogen or nitrogen oxides (NO x). Other nitrogen oxides include nitrous acid and nitric acid. NO 2 is used as the indicator for the larger group of nitrogen oxides.
Nitrogen Dioxide - American Lung Association
2023年10月26日 · Nitrogen dioxide, or NO 2, is a gaseous air pollutant composed of nitrogen and oxygen and is one of a group of related gases called nitrogen oxides, or NO x. Nitrogen dioxide forms when fossil fuels such as coal, oil, methane gas (natural gas) or diesel are burned at high temperatures.
Nitrogen Dioxide (NO2) Pollution | US EPA - U.S. Environmental ...
2024年9月12日 · What is NO 2 and how does it get in the air? What are the harmful effects of NO 2? What is being done to reduce NO 2 pollution?
nitrogen dioxide - Encyclopedia Britannica
2024年9月18日 · nitrogen dioxide, inorganic compound, a highly reactive and poisonous gas. Nitrogen dioxide is one of several nitrogen oxides (NO x), including nitrous acid and nitric acid, and is often used as an indicator for the larger group of nitrogen oxides.
Basic Information about NO2 | Nitrogen Dioxide (NO2) Pollution …
2016年9月8日 · Nitrogen Dioxide (NO 2) is one of a group of highly reactive gases known as oxides of nitrogen or nitrogen oxides (NO x). Other nitrogen oxides include nitrous acid and nitric acid. NO 2 is used as the indicator for the larger group of nitrogen oxides.
Nitrogen Dioxide | Air Quality - NASA
2024年4月12日 · Nitrogen dioxide (NO 2), which is unhealthy to breathe (e.g., Anenberg et al., 2018; Eum et al., 2019), is a member of the NO x family (NO x = NO + NO 2) and is a necessary ingredient for the formation of unhealthy levels of surface ozone (O …
Nitrogen Dioxide (NO 2 ) - Air Quality Ontario
What is Nitrogen Dioxide? NO 2 is a reddish-brown gas with a pungent and irritating odour. It transforms in the air to form gaseous nitric acid and toxic organic nitrates. NO 2 also plays a major role in atmospheric reactions that produce ground-level ozone, a major component of smog.
Nitrogen Dioxide: 1. What is Nitrogen Dioxide (NO2)? - GreenFacts
What is Nitrogen Dioxide (NO 2)? Nitrogen dioxide (NO 2) is one of the nitrogen oxides (NO x), a group of air pollutants produced from combustion processes. In urban outdoor air, the presence of NO 2 is mainly due to traffic.
Nitrogen dioxide - NIST Chemistry WebBook
Nitrogen dioxide. Formula: NO 2. Molecular weight: 46.0055. IUPAC Standard InChI:InChI=1S/NO2/c2-1-3 Copy. IUPAC Standard InChIKey:JCXJVPUVTGWSNB-UHFFFAOYSA-N Copy. CAS Registry Number: 10102-44-0.