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    Cosa fa sì che la qualità dell’aria vicino a Vianden assomigli ad una grande bolla?

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    4. sammypants123 on

      There’s nothing in terms of industry or power generation.

      My best guess is the specific relief of the area combined with climactic conditions, means that normal pollution from small towns and roads gets trapped.

      I also found that there is a measuring station for the Rural Area in Vianden so it might be that weights that area more vs elsewhere where info is more sparse.

      See the government air quality site.

      https://environnement.public.lu/content/dam/environnement/fr/actualites/2017/10/24_EIR/Air-quality-in-Luxembourg—assessment_-plans-programs.pdf

    5. ephdravir on

      Which pollutant are we talking about? If the answer is Ozone, I have an ELI5 answer.

      Urban areas tend to have a higher concentration of nitrogen oxide in the air, because of combustion engines, industry and all that.

      NOx is bad. But we have a common enemy, Ozone. NOx destroys Ozone. In rural areas however, there is less NOx in the air (which is good) but Ozone can be transported by winds to rural areas where it encounters less predators (NOx) and linger around for a long period of time (which is bad).

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