Photochemical smog forms from a complex process, however the source of it is quite apparent. [ "article:topic", "Exemplar", "authorname:chemprime" ][ "article:topic", "Exemplar", "authorname:chemprime" ]

These oxidizing compounds have been linked to a variety of negative health outcomes; ozone, for example, is known to irritate the lungs.

While air pollution caused by burning coal has become less common, the combustion of fossil fuels continues to affect air quality.The components of photochemical smog were established during the 1950s. It requires neither smoke nor fog. Smog is a byproduct of modern industrialization. Photochemical smog is a major contributor to air pollution. Breathing concerns and reduced lung function can be painful and symptoms more noticeable while working or exercising outdoors where exposure to smog is unavoidable. This type of smog has its origin in the nitrogen oxides and hydrocarbon vapours emitted by automobiles…

Adopted or used LibreTexts for your course? The word “smog” was originally coined as a mixture of “smoke” and “fog” and was historically used to describe air pollution produced from the burning of coal, which released smoke and sulfur dioxide. We want to hear from you.Photochemical smog is a type of air pollution due to the reaction of solar radiation with airborne pollutant mixtures of nitrogen oxides (NOx) and volatile organic compounds (hydrocarbons). In fact, most major cities have problems with smog and air pollution.Boundless vets and curates high-quality, openly licensed content from around the Internet.









Photochemical smog, which is also known as “Los Angeles smog,” occurs most prominently in urban areas that have large numbers of automobiles.
Some crops, such as tomatoes, tobacco, and spinach, as well as trees, are sensitive to the chemical makeup of the smog. Get kids back-to-school ready with Expedition: Learn! The “Great Smog of 1952” was identified as the cause of over 4,000 deaths in London. Due to industry and the number of motor vehicles, this is more of a problem in large cities that have a warm, sunny and dry climate.

Photochemical smog is produced by photolysis of pollutants in atmosphere. https://courses.lumenlearning.com/introchem/chapter/photochemical-smog

Heightened levels of atmospheric nitric oxide resulting from industrial activity were also one of the causes of gradual depletion of the… The mixture of these primary and secondary pollutants forms photochemical smog.Both the primary and secondary pollutants in photochemical smog are highly reactive. Photochemical Smog Historically, the term smog referred to a mixture of smoke and fog, hence the name smog.

It forms in the morning when a tremendous number people are driving th…

It contains anthropogenic air pollutants, mainly ozone, nitric acid, and organic compounds, which … These compounds, which are called primary pollutants, are often introduced into the atmosphere through automobile emissions and industrial processes.

Oxidation: Photochemical smog is also referred to as oxidizing smog.

When these compounds interact with sunlight, they form airborne particles and ground-level ozone, commonly known as smog.Photochemical smog covers the Cairo skyline. Due to industry and the number of motor vehicles, this is more of a problem in large cities that have a warm, sunny and dry climate.

This type of smog usually manifests as a brown haze and is most commonly seen in highly populated cities that are placed in relatively warm climates.


By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica.Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. The smog can also increase sensitivity to allergens, which can trigger asthma attacks.In addition, photochemical smog can kill plants and has a devastating effect on the environment. The word “smog” was originally coined as a mixture of “smoke” and “fog” and was historically used to describe air pollution produced from the burning of coal, which released smoke and sulfur dioxide. Even small steps, such as tightly sealing lids of chemical products for the garden, as well as cleaners and solvents, can minimize evaporation of pollutants into the air.Those who live in areas where photochemical smog is present are typically advised to plan outdoor activities and exercise for early mornings or evenings, when the pollution is less concentrated.All maps, graphics, flags, photos and original descriptions © 2020 worldatlas.com


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