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Air pollution – harmful particles/soot

Discussion in 'Energy, Environment, and Policy' started by SwedishAdvocate, Dec 9, 2013.

  1. SwedishAdvocate

    SwedishAdvocate Active Member

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    Couldn’t find a general thread about air pollution/fine-particles/soot from internal combustion engine exhaust.


    Found these though:

    China Announces New Measures to Curb Air Pollution

    Los Angeles air pollution drops after tailpipe laws

    Air pollution data from my local area


    A short news item in The Independent about a new study published in The Lancet:

     
  2. SwedishAdvocate

    SwedishAdvocate Active Member

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    A while back air pollution was off the charts in Paris. Here’s the thread here on TMC about that:

    Paris restricts car use | TMC


    An now it’s the UK's and London's turn:

     
  3. ItsNotAboutTheMoney

    ItsNotAboutTheMoney Active Member

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    It's not just more diesels, it's also the lax UK inspection laws that didn't even check that the DPF was there. The smoke test used can be passed without a DPF.

    At least now the MOT test now requires a check that the DPF hasn't been removed, but it's just a visual inspection, so there'll still be a problem with the people with most reason to delete.

    Plus, petrol cars shouldn't be excused. Modern petrol cars are more likely to use direct injection, and direct injection engines produce more small particulates. The emissions standards are set pragmatically and need continual revision.
     
  4. J1mbo

    J1mbo Member

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    Diesel, sand, EU manufacturing and EU power generation are all to blame. Add an unusually high pollen count into the mix for allergy sufferers and you have a nice little situation brewing.

    Diesel is called out in the reports because it is the primary emission within a city, and, without any wind to blow it away, it can get very concentrated in built-up areas.

    This is pretty unpleasant. I don't know how they cope with situation in China, which can be far worse.
     
  5. GoTslaGo

    GoTslaGo Learning Member

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    #5 GoTslaGo, Aug 2, 2016
    Last edited: Aug 2, 2016
    Interesting article about air pollution in cities (The Economist):

    http://www.economist.com/news/science-and-technology/21702743-air-quality-indices-make-pollution-seem-less-bad-it-breathtaking

    Last paragraph:

    The best pollution advice of all to people in these cities, though, is: move to America. In New York, levels of NO2 were 20% below the WHO limit, and that is pretty typical of places in the United States, where diesels are less common than in Europe. As the inscription under the Statue of Liberty has it, “Give me your...huddled masses, yearning to breathe free.”

    End quote.

    There is a very interesting sub-chart about hourly pollution levels in certain major cities, with Seoul and Hong Kong topping the pollution charts (presumably a proxy for asia as a whole, we all know how polluted Beijing's air can be).

    Sorry if the link doesn't work try google: The economist london air pollution
     
  6. Sharkbait

    Sharkbait Member

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    Hope they don't come to California. We cannot afford to support them. Besides, the state is shrouded in smog and air pollution. Yes, go to New York!
     
    • Funny x 1
  7. GoTslaGo

    GoTslaGo Learning Member

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    Unfortunately you are right about the smog and air pollution. They have a handy chart in the article. Don't know if this will work (the link) but LA ranks up there for particulate matter especially mid-day.

    http://www.economist.com/blogs/graphicdetail/2016/08/daily-chart
     

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