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  2. 2021年8月6日 · Learn about the sources and impacts of air pollution, such as burning fossil fuels, ozone, weather conditions, and heatwaves. Find out how air pollution affects human health, climate change, and wildlife, and what actions can be taken to reduce it.

    • Air Pollution

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  3. 2024年7月29日 · Learn about the causes, effects and solutions of air pollution from the World Health Organization. Find fact sheets, databases, tools, resolutions and more on this global health issue.

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  4. 3 天前 · Learn about the sources, consequences, and solutions of air pollution, a major environmental problem that affects human health and the environment. Find out the criteria pollutants, their acceptable concentrations, and their environmental and health risks.

    Pollutant
    Common Sources
    Maximum Acceptable Concentration In The ...
    Environmental Risks
    carbon monoxide (CO)
    automobile emissions, fires, industrial ...
    35 ppm (1-hour period); 9 ppm (8-hour ...
    contributes to smog formation
    nitrogen oxides (NO and NO2)
    automobile emissions, electricity ...
    0.053 ppm (1-year period)
    damage to foliage; contributes to smog ...
    sulfur dioxide (SO2)
    electricity generation, fossil-fuel ...
    0.03 ppm (1-year period); 0.14 ppm ...
    major cause of haze; contributes to acid ...
    ozone (O3)
    nitrogen oxides (NOx) and volatile ...
    0.075 ppm (8-hour period)
    interferes with the ability of certain ...
  5. Air pollution is the contamination of air by harmful substances that affect human health and the environment. Learn about the different types of pollutants, their sources, health effects, and how to reduce and regulate them.

  6. 2024年9月25日 · Learn about the sources and effects of air pollution, such as aerosols, ozone, smog and climate change. Find out how NASA monitors air pollution with satellites and instruments.

  7. 2023年10月31日 · Learn how fossil fuel combustion, climate change, and other factors contribute to air pollution, which harms human health and the planet. Find out how to reduce air pollution and protect yourself and your community.

  8. Learn about the sources, effects, and trends of air pollution across the world. Explore data and research on indoor and outdoor air pollution, its health impacts, and its links to energy consumption.

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