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It is a kind of intense air pollution. The word smog was coined in the 20th century. This article lucidly explains all the important information about smog; ranging from how it is created, harmful effects, different types, and measures that can be adapted to control Smog.
May 13, 2024 · Smog, community-wide polluted air. Although the term is derived from the words smoke and fog, it is often used to describe the pall of automotive or industrial origin that lies over many cities, and its composition is variable. At least two distinct types of smog are recognized: sulfurous smog and photochemical smog.
Oct 19, 2023 · Smog is air pollution that reduces visibility. The term "smog" was first used in the early 1900s to describe a mix of smoke and fog. The smoke usually came from burning coal. Smog was common in industrial areas, and remains a familiar sight in some cities today. Today, most of the smog we see is photochemical smog.
Smog, or smoke fog, is a type of intense air pollution. The word "smog" was coined in the early 20th century, and is a portmanteau of the words smoke and fog to refer to smoky fog due to its opacity, and odor.
Aug 24, 2021 · Smog is a visible form of air pollution that often appears as a thick haze. Look toward the horizon during daylight hours, and you can see how much smog is in the air.
Mar 3, 2019 · The Formation of Smog. Photochemical smog (or just smog for short) is a term used to describe air pollution that is a result of the interaction of sunlight with certain chemicals in the atmosphere. One of the primary components of photochemical smog is ozone.
Oct 31, 2023 · Smog and soot. These are the two most prevalent types of air pollution. Smog (sometimes referred to as ground-level ozone) occurs when emissions from combusting fossil fuels react with sunlight.
Smog is mainly made of ground-level ozone and particulate matter. Here, Caltech scientists explain the smog formation process.
What is smog and how can it be prevented? - BBC Science Focus Magazine.
Smog is almost constantly hanging over the city, exacerbated by the 2.2 million vehicles that clog the streets on a daily basis. According to reports published by the World Health Organisation (WHO), levels of airborne particles of lead (Pb) are three times than the acceptable figure.
