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  1. en.wikipedia.org › wiki › SmogSmog - Wikipedia

    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.

  2. www.britannica.com › science › smogSmog | Description, Causes, Effects, & Types | Britannica

    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.

  3. Images

    • Cutting through the smog: Is pollution getting worse? | New Scientist
    • Smog i zanieczyszczenia powietrza / istockphoto
    • Dirty air, pollution from global trade kills at home and abroad - CBS News
    • UK smog: Nitrogen doesn't just cause air pollution - it is a huge ...

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  4. www.nationalgeographic.org › encyclopedia › smogSmog - National Geographic Society

    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.

  5. www.treehugger.com › what-is-smog-causes-and-effects-1204194Learn About the Causes and Effects of Smog - Treehugger

    Aug 24, 2021 · Smog is a mixture of air pollutants that form ozone near the ground and affect human health and the environment. Learn how smog is produced, where it occurs, and how to recognize it.

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  7. coinmarketcap.com › currencies › smogSmog price today, SMOG to USD live price, marketcap and chart ...

    The live Smog price today is $0.032028 USD with a 24-hour trading volume of $165,902 USD. We update our SMOG to USD price in real-time. Smog is down 8.64% in the last 24 hours. The current CoinMarketCap ranking is #718, with a live market cap of $24,949,487 USD. It has a circulating supply of 778,999,968 SMOG coins and the max. supply is not ...

  8. scienceexchange.caltech.edu › what-causes-smogWhat Causes Smog? - Caltech Science Exchange

    Learn how ozone and particulate matter, the main components of smog, are formed by chemical reactions involving VOCs and nitrogen oxides in the presence of sunlight. Find out how smog affects human health, the environment, and what we can do to reduce it.

  9. www.who.int › health-topics › air-pollutionAir pollution - World Health Organization (WHO)

    Jun 25, 2024 · Pollutants of major public health concern include particulate matter, carbon monoxide, ozone, nitrogen dioxide and sulfur dioxide. Outdoor and indoor air pollution cause respiratory and other diseases and are important sources of morbidity and mortality.

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