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.
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.
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 (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. Pungent and extremely volatile, the gas is a dangerous air pollutant associated with fossil fuel ...
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's Impact on Indoor Air Quality | US EPA
2024年3月5日 · The two most prevalent oxides of nitrogen are nitrogen dioxide (NO 2) and nitric oxide (NO). Both are toxic gases with NO 2 being a highly reactive oxidant and corrosive. On this page: Sources of Nitrogen Dioxide; Health Effects Associated with Nitrogen Dioxide; Levels in Homes; Steps to Reduce Exposure; Standards or Guidelines; Additional ...
Nitrogen Dioxide - an overview | ScienceDirect Topics
2020年5月12日 · Nitrogen dioxide (NO2) is one of a group of highly reactive gases known as nitrogen oxides (NO x). NO 2 is the main source of nitrate aerosols, which form an important fraction of PM 2.5 and, in the presence of ultraviolet light, of ozone. The major sources of anthropogenic emissions of NO 2 are combustion processes.
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 - 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.