• 1. Smog - Wikipedia

  wikipedia.org

  Link: https://en.wikipedia.org/wiki/Smog

  Description: WebSmog, 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.

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• 2. Smog | Description, Causes, Effects, & Types | Britannica

  britannica.com

  Link: https://www.britannica.com/science/smog

  Description: WebMar 26, 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.

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• 3. Smog - National Geographic Society

  nationalgeographic.org

  Link: https://www.nationalgeographic.org/encyclopedia/smog/

  Description: WebOct 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.

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• 4. AirNow.gov

  airnow.gov

  Link: https://www.airnow.gov/

  Description: WebAir Quality Flag Program. Sign up for Email Notifications. AirNow is your one-stop source for air quality data. Our recently redesigned site highlights air quality in your local area first, while still providing air quality information at state, national, and world views.

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• 5. Learn About the Causes and Effects of Smog - Treehugger

  treehugger.com

  Link: https://www.treehugger.com/what-is-smog-causes-and-effects-1204194

  Description: WebAug 24, 2021 · Smog is made up of a combination of air pollutants that can compromise human health, harm the environment, and even cause property damage. Smog can cause or aggravate health problems such as...

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• 6. Smog, Soot, and Other Air Pollution from Transportation

  epa.gov

  Link: https://www.epa.gov/transportation-air-pollution-and-climate-change/smog-soot-and-other-air-pollution-transportation

  Description: WebMay 11, 2023 · Air pollution emitted from transportation contributes to smog, and to poor air quality, which has negative impacts on the health and welfare of U.S. citizens. Pollutants that contribute to poor air quality include particulate matter (PM), nitrogen oxides (NO x), and volatile organic compounds (VOCs).

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• 7. What Causes Smog? - Caltech Science Exchange

  caltech.edu

  Link: https://scienceexchange.caltech.edu/topics/sustainability/what-causes-smog

  Description: WebThe main components of photochemical smog, the hazy air pollution that can blanket Los Angeles and other urban areas, are ground-level ozone and particulate matter. Credit: Lance Hayashida for Caltech Science Exchange.

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• 8. Air Pollution: Everything You Need to Know - NRDC

  nrdc.org

  Link: https://www.nrdc.org/stories/air-pollution-everything-you-need-know

  Description: WebOct 31, 2023 · Smog (sometimes referred to as ground-level ozone) occurs when emissions from combusting fossil fuels react with sunlight. Soot—a type of particulate matter—is made up of tiny particles of...

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• 9. Air pollution - World Health Organization (WHO)

  who.int

  Link: https://www.who.int/health-topics/air-pollution

  Description: WebMar 18, 2024 · From smog hanging over cities to smoke inside the home, air pollution poses a major threat to health and climate. Ambient (outdoor) air pollution in both cities and rural areas is causing fine particulate matter which result in strokes, heart diseases, lung cancer, acute and chronic respiratory diseases.

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• 10. Air Pollution | CDC - Centers for Disease Control and Prevention

  cdc.gov

  Link: https://www.cdc.gov/climateandhealth/effects/air_pollution.htm

  Description: WebClimate change is projected to harm human health by increasing ground-level ozone and/or particulate matter air pollution in some locations. Ground-level ozone (a key component of smog) is associated with many health problems, such as diminished lung function, increased hospital admissions and emergency room visits for asthma, and increases in ...

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