{"id":12553,"date":"2024-06-19T12:41:14","date_gmt":"2024-06-19T10:41:14","guid":{"rendered":"https:\/\/igienair.com\/?p=12553"},"modified":"2026-07-27T14:22:31","modified_gmt":"2026-07-27T12:22:31","slug":"air-pollution-metro","status":"publish","type":"post","link":"https:\/\/igienair.com\/en\/traitement-de-l-air\/pollution-air-metro\/","title":{"rendered":"QAI dans le m\u00e9tro : G\u00e9rer la Pollution en R\u00e9seau Souterrain"},"content":{"rendered":"

Air pollution in underground public transport is a major issue. The metro is particularly concerned. New studies show high levels of fine particles in these enclosed spaces.<\/p>\n\n\n\n

Origins of air pollution in the metro<\/h2>\n\n\n\n

Air pollution in the metro comes from several sources:<\/p>\n\n\n\n

    \n
  1. Brakes and rails<\/strong> When braking, trains generate fine metallic particles which are dispersed in the air.<\/li>\n\n\n\n
  2. Ballast<\/strong> Trains raise dust from the ballast, which consists of stones placed under the rails.<\/li>\n\n\n\n
  3. Ventilation<\/strong> The ventilation system can contribute to the dispersion of fine particles.<\/li>\n\n\n\n
  4. The users<\/strong> The many people who use the metro also generate pollutants. These come from cosmetics, clothing and breathing.<\/li>\n<\/ol>\n\n\n\n

    Impact on user health<\/h2>\n\n\n\n

    High levels of fine particles in metro air can have serious consequences for users' health:<\/p>\n\n\n\n

      \n
    1. Respiratory problems<\/strong> Fine particles can penetrate the respiratory tract and cause irritation. They can also cause asthma and other respiratory illnesses.<\/li>\n\n\n\n
    2. Cardiovascular effects<\/strong> Fine particles can also affect the cardiovascular system. They increase the risk of heart disease.<\/li>\n\n\n\n
    3. Long-term impact<\/strong> Prolonged exposure to these pollutants can have long-term effects on health. This includes the development of chronic diseases.<\/li>\n<\/ol>\n\n\n\n

      Possible solutions<\/h2>\n\n\n\n

      To protect users' health, measures must be taken to reduce air pollution in the metro:<\/p>\n\n\n\n

        \n
      1. Improving ventilation systems<\/a> :<\/strong> Des syst\u00e8mes de ventilation plus efficaces peuvent contribuer \u00e0 r\u00e9duire les concentrations de particules fines. Pour prot\u00e9ger efficacement les usagers et le personnel face aux pics de particules fines, le d\u00e9ploiement de capteurs IoT pour une surveillance en continu de la QAI<\/a> s’av\u00e8re \u00eatre la solution technologique la plus pertinente.<\/li>\n\n\n\n
      2. Use of less polluting materials:<\/strong> Choose materials that generate fewer particles during braking or rail wear.<\/li>\n\n\n\n
      3. Air quality monitoring :<\/strong> Set up monitoring systems to measure pollution levels in real time and inform users.<\/li>\n\n\n\n
      4. Raising user awareness :<\/strong> Educate users about the risks of air pollution in the metro and how to reduce their exposure.<\/li>\n<\/ol>\n\n\n\n

        International initiatives to combat air pollution in the metro<\/strong><\/h2>\n\n\n\n

        Air pollution in the metro is a global concern, and many cities around the world have taken initiatives to tackle the problem:<\/p>\n\n\n\n

          \n
        1. Studies and Research<\/strong> Many metropolises have begun to carry out studies to accurately measure fine particle levels in metro stations. They are also seeking to identify the main sources of pollution.<\/li>\n\n\n\n
        2. Air quality standards<\/strong> Some cities have introduced strict air quality standards in the metro. They set maximum limits for concentrations of fine particles and other pollutants.<\/li>\n\n\n\n
        3. Air filtration technologies<\/strong> : More efficient air filtration systems have been installed in some metro stations. The aim is to reduce concentrations of fine particles.<\/li>\n<\/ol>\n\n\n\n

          The role of citizens in combating air pollution in the metro<\/h2>\n\n\n\n

          Citizens also have a role to play in reducing air pollution in the metro:<\/p>\n\n\n\n

            \n
          1. Awareness-raising and education<\/strong> Citizens need to be informed about the risks of air pollution in the metro. They also need to know what they can do to minimize their exposure.<\/li>\n\n\n\n
          2. Behavior modification<\/strong> Adopting responsible behavior, such as using less polluting cosmetics and cleaning products, can help reduce sources of pollution.<\/li>\n\n\n\n
          3. Citizen participation<\/strong> Citizens can participate in local initiatives or associations. These groups work to improve air quality on public transport.<\/li>\n<\/ol>\n\n\n\n

            Outlook<\/h2>\n\n\n\n

            Improving air quality in the metro is a complex challenge. It requires the collaboration of authorities, operators, scientists and citizens. By adopting a multi-sectoral approach and investing in innovative technologies, we can create healthier underground spaces. This is essential for the sustainability of public transport and to protect the health of citizens in increasingly dense and polluted cities.<\/p>\n\n\n\n

            To find out more about current initiatives and scientific research in this field, please consult the following websites World Health Organization (WHO) reports on air pollution<\/a>.<\/p>\n\n\n\n

            Protect your indoor air!<\/strong>
            Find out how IGIENAIR             air treatment<\/a> helps improve air quality. Including on public transport!<\/p>\n\n\n\n

            <\/p>","protected":false},"excerpt":{"rendered":"

            La pollution de l’air dans les transports en commun souterrains est un enjeu majeur. Le m\u00e9tro est particuli\u00e8rement concern\u00e9. De nouvelles \u00e9tudes montrent des niveaux \u00e9lev\u00e9s de particules fines dans ces espaces clos. Origines de la pollution de l’air dans le m\u00e9tro La pollution de l’air dans le m\u00e9tro provient de plusieurs sources : Impact […]<\/p>\n","protected":false},"author":4,"featured_media":12554,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[288,285],"tags":[],"class_list":["post-12553","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-qualite-de-l-air-interieur","category-traitement-de-l-air"],"acf":[],"yoast_head":"\nPollution de l'air dans le m\u00e9tro : Impact sur la sant\u00e9<\/title>\n<meta name=\"description\" content=\"La pollution de l'air dans le m\u00e9tro : une pr\u00e9occupation sanitaire majeure - Solutions possibles, perspectives - IGIENAIR\" \/>\n<meta name=\"robots\" content=\"index, nofollow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/igienair.com\/en\/air-treatment\/air-pollution-metro\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pollution de l'air dans le m\u00e9tro : Impact sur la sant\u00e9\" \/>\n<meta property=\"og:description\" content=\"La pollution de l'air dans le m\u00e9tro : une pr\u00e9occupation sanitaire majeure - 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