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  2. Photochemical smog - Wikipedia

    en.wikipedia.org/wiki/Smog

    Photochemical smog, as found for example in Los Angeles, is a type of air pollution derived from vehicular emission from internal combustion engines and industrial fumes. These pollutants react in the atmosphere with sunlight to form secondary pollutants that also combine with the primary emissions to form photochemical smog.

  3. List of Superfund sites in California - Wikipedia

    en.wikipedia.org/wiki/List_of_Superfund_sites_in...

    A map of Superfund sites in California. ... to create a list of polluted locations requiring a long-term response to clean up ... Los Angeles: 02/07/1992: 06/14/2001 ...

  4. Pollution in California - Wikipedia

    en.wikipedia.org/wiki/Pollution_in_California

    A view of Los Angeles covered in smog. Pollution in California relates to the degree of pollution in the air, water, and land of the U.S. state of California.Pollution is defined as the addition of any substance (solid, liquid, or gas) or any form of energy (such as heat, sound, or radioactivity) to the environment at a faster rate than it can be dispersed, diluted, decomposed, recycled, or ...

  5. Map shows where air quality is being affected by Los Angeles ...

    www.aol.com/see-map-where-air-quality-005240210.html

    Map of AQI. var pymChild = new pym.Child(); pymChild.sendHeight(); Ways to protect your health when air quality is bad. Experts say the particles in wildfire smoke can cause headaches, irritate ...

  6. Los Angeles smog woes worsen as U.S. EPA threatens to ... - AOL

    www.aol.com/news/los-angeles-smog-woes-worsen...

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  7. Ground-level ozone - Wikipedia

    en.wikipedia.org/wiki/Ground-level_ozone

    In June to August, photochemical ozone production causes very high concentrations over the East Coast of the US and China. Ground-level ozone ( O 3 ), also known as surface-level ozone and tropospheric ozone , is a trace gas in the troposphere (the lowest level of the Earth's atmosphere ), with an average concentration of 20–30 parts per ...

  8. Southern California gets $500 million from the EPA to fight ...

    www.aol.com/news/epa-grants-500-million-help...

    A team of Southern California economists recently published a study that found the federal government could drastically reduce aviation emissions by offering to pay airlines to scrap aging ...

  9. Air pollution - Wikipedia

    en.wikipedia.org/wiki/Air_pollution

    Photochemical smog: particles are formed from gaseous primary contaminants and chemicals. [95] Smog is a type of pollution that occurs in the atmosphere. Smog is caused by a huge volume of coal being burned in a certain region, resulting in a mixture of smoke and sulfur dioxide. [96]