--- title: INFOGRAPHY - The main causes of indoor air pollution description: Learn about the serious health impacts of indoor air pollution and discover simple, effective ways to improve air quality in your home or workplace. image: https://actualites.nexelec.fr/hubfs/Les-principales-causes-de-pollution-interieure-photo_Plan-de-travail-1.png --- [![Version FR](https://actualites.nexelec.fr/hubfs/Template%20-%20Winbound/Template%20Blog/france.svg)FR](https://actualites.nexelec.fr/?hsLang=en) - [![world](https://actualites.nexelec.fr/hubfs/Template%20-%20Winbound/Template%20Blog/web.svg)Back to the website ](https://nexelec.eu/en/) - [Newsletter](https://actualites.nexelec.fr/en/infographie-les-principales-causes-de-pollution-de-lair-int%C3%A9rieur#formulaire_ancre) [![logo Nexelec](https://actualites.nexelec.fr/hubfs/Template%20-%20Winbound/Template%20Blog/logo_Nexelec.svg) ](https://actualites.nexelec.fr/en) [Air quality](https://actualites.nexelec.fr/en/tag/air-quality) [Fire safety](https://actualites.nexelec.fr/en/tag/fire-safety) [Smart building](https://actualites.nexelec.fr/en/tag/smart-building) [Energy efficiency](https://actualites.nexelec.fr/en/tag/energy-efficiency) [IoT infrastructure](https://actualites.nexelec.fr/en/tag/iot-infrastructure) ☰ Indoor air pollution has become a major challenge for people's health, particularly in residential buildings, homes, schools and workplaces. Indoor air is often contaminated by multiple pollutants from a variety of sources and human activities. Particles, gases and chemical substances present in our daily environment can have serious consequences for indoor air quality and, consequently, for the health of occupants. This pollution is responsible for 3.2 million premature deaths every year, underlining the importance of taking action to combat this phenomenon. ![indoor air quality nexelec](https://actualites.nexelec.fr/hubfs/Les-principales-causes-de-pollution-interieure-photo_Plan-de-travail-1.png) [![Version FR](https://actualites.nexelec.fr/hubfs/Template%20-%20Winbound/Template%20Blog/france.svg)FR]({type=EXTERNAL,%20content_id=null,%20href=,%20href_with_scheme=}) ![flèche gauche](https://actualites.nexelec.fr/hubfs/Template%20-%20Winbound/Template%20Blog/icon-long-arrow-left.svg) [News](https://actualites.nexelec.fr/en) ![flèche droite](https://actualites.nexelec.fr/hubfs/Template%20-%20Winbound/Template%20Blog/icon-right-blue.svg) [Air quality](https://actualites.nexelec.fr/en/tag/air-quality) [Downloadable contents](https://actualites.nexelec.fr/en/tag/downloadable-contents) Published on 21 January 2025 # INFOGRAPHY - The main causes of indoor air pollution ##### In this article: - [AERO LITE](https://nexelec.eu/en/produit/aero-lite/) - [ATMO](https://nexelec.eu/en/produit/atmo/) - [SENSE](https://nexelec.eu/en/produit/sense/) ## **Health effects** [Indoor air pollution](https://www.landingpages.nexelec.fr/en/demande-de-devis?hsLang=en) from one source has harmful effects on health, particularly over the long term. High concentrations of pollutants can cause respiratory problems, irritation, headaches and increased risk of chronic illnesses, including cancer. Children, the elderly and people with respiratory illnesses are particularly vulnerable to the risks associated with poor [indoor air quality.](https://www.landingpages.nexelec.fr/en/demande-de-devis?hsLang=en) Constant exposure to harmful gas emissions, such as[ carbon dioxide](https://www.landingpages.nexelec.fr/en/demande-de-devis?hsLang=en), also contributes to worsening respiratory symptoms and illnesses, depending on the level of exposure at source.   [![Infography](https://hubspot-no-cache-eu1-prod.s3.amazonaws.com/cta/default/26277964/interactive-204201247956.png) ](https://actualites.nexelec.fr/hs/cta/wi/redirect?encryptedPayload=AVxigLI9D9g4mJaEpVmfIrXxz0MzTaUAeqCR3xMqNc7J8oJsA3jw6iciQbv%2FVUA5cQ4QCkCyB71zMrauzkNFrfw%2FafKZ7Y9He4tosXglNP%2BN0oLfW%2FU4iG%2FpszbCDr2JqQoMRV6U6rTwaP2mjF0TYx1emsc4uXuaWc4CJwBCqloMcRrWB5lEG8vxdG%2Bx6yQ7QIqUbstSKMCBkzewu4Z0Y57VaLfANgsuTle3uAG76S7d%2F630SMykbtVPTf6%2BKVRtapjjYefidlg%3D&webInteractiveContentId=204201247956&portalId=26277964&hsLang=en)   ## **Pollution-emitting activities** The main sources of indoor air pollution come from everyday activities. Tobacco, candles, incense and certain cleaning products emit volatile organic compounds (VOCs), which are dangerous chemical substances with varying levels of emission. In addition, building materials such as paints, glues and products used in renovations release harmful particles and gases into the air. Fuels used for heating, such as wood or fossil gases, are also major sources of pollution. These emissions contribute to a deterioration in[ indoor air quality](https://www.landingpages.nexelec.fr/en/demande-de-devis?hsLang=en), creating a less healthy environment.   [![Infography](https://hubspot-no-cache-eu1-prod.s3.amazonaws.com/cta/default/26277964/interactive-204201247956.png) ](https://actualites.nexelec.fr/hs/cta/wi/redirect?encryptedPayload=AVxigLI9D9g4mJaEpVmfIrXxz0MzTaUAeqCR3xMqNc7J8oJsA3jw6iciQbv%2FVUA5cQ4QCkCyB71zMrauzkNFrfw%2FafKZ7Y9He4tosXglNP%2BN0oLfW%2FU4iG%2FpszbCDr2JqQoMRV6U6rTwaP2mjF0TYx1emsc4uXuaWc4CJwBCqloMcRrWB5lEG8vxdG%2Bx6yQ7QIqUbstSKMCBkzewu4Z0Y57VaLfANgsuTle3uAG76S7d%2F630SMykbtVPTf6%2BKVRtapjjYefidlg%3D&webInteractiveContentId=204201247956&portalId=26277964&hsLang=en)   ## **Avoiding indoor air pollution: the right thing to do** One of the most effective ways of reducing indoor air pollution is to take simple steps to improve [air quality](https://www.landingpages.nexelec.fr/en/demande-de-devis?hsLang=en) monitoring and management. Airing rooms regularly renews the air and reduces the concentration of pollutants in the air. This is particularly important in poorly ventilated rooms, where moisture and particles can accumulate. Good ventilation is essential for maintaining a healthy environment and reducing the risk of indoor air-related illnesses. It is also crucial to check ventilation systems and air vents to ensure optimum air flow in the building. The use of [air quality](https://www.landingpages.nexelec.fr/en/demande-de-devis?hsLang=en) detectors makes it possible to monitor pollution levels continuously, alerting occupants when the concentration of pollutants exceeds the recommended threshold. These devices are particularly useful for schools, public buildings and homes, where it is important to protect the health of occupants, especially children. Finally, it is advisable to avoid using scented products, such as incense and candles, which release chemical compounds into the air. Opting for VOC-free cleaning products and building materials with low pollutant emissions also helps to reduce environmental impact and improve [air quality.](https://www.landingpages.nexelec.fr/en/demande-de-devis?hsLang=en)   [![Infography](https://hubspot-no-cache-eu1-prod.s3.amazonaws.com/cta/default/26277964/interactive-204201247956.png) ](https://actualites.nexelec.fr/hs/cta/wi/redirect?encryptedPayload=AVxigLI9D9g4mJaEpVmfIrXxz0MzTaUAeqCR3xMqNc7J8oJsA3jw6iciQbv%2FVUA5cQ4QCkCyB71zMrauzkNFrfw%2FafKZ7Y9He4tosXglNP%2BN0oLfW%2FU4iG%2FpszbCDr2JqQoMRV6U6rTwaP2mjF0TYx1emsc4uXuaWc4CJwBCqloMcRrWB5lEG8vxdG%2Bx6yQ7QIqUbstSKMCBkzewu4Z0Y57VaLfANgsuTle3uAG76S7d%2F630SMykbtVPTf6%2BKVRtapjjYefidlg%3D&webInteractiveContentId=204201247956&portalId=26277964&hsLang=en) ### This news may interest you Nexelec's news ### [LoRaWAN-Connected Thermostatic Head: How to Control Heating in a Multi-Unit Building?](https://actualites.nexelec.fr/en/t%C3%AAte-thermostatique-connect%C3%A9e-lorawan-comment-piloter-le-chauffage-dun-b%C3%A2timent-collectif?hsLang=en) ### [LoRaWAN Thermostatic Head: FLOW PRO and FLOW CORE for Smart Radiator Control](https://actualites.nexelec.fr/en/t%C3%AAte-thermostatique-lorawan-flow-pro-et-flow-core-pour-une-r%C3%A9gulation-connect%C3%A9e-des-radiateurs?hsLang=en) ### [How to make buildings sustainable and healthy](https://actualites.nexelec.fr/en/comment-rendre-les-b%C3%A2timents-durables-et-sains?hsLang=en) #### Subscribe to the newsletter [![logo Nexelec](https://actualites.nexelec.fr/hubfs/Template%20-%20Winbound/Template%20Blog/logo_Nexelec.svg)](https://nexelec.eu/en/) Rue Léon Griffon Park Avenue 16C 56890 Saint-Avé France #### Tags - [Air quality](https://actualites.nexelec.fr/en/tag/air-quality) - [Fire safety](https://actualites.nexelec.fr/en/tag/fire-safety) - [Smart Building](https://actualites.nexelec.fr/en/tag/smart-building) - [Energy efficiency](https://actualites.nexelec.fr/en/tag/energy-efficiency) - [IoT infrastructure](https://actualites.nexelec.fr/en/tag/iot-infrastructure) - [Others](https://actualites.nexelec.fr/en/tag/others) #### Terms of use - [Terms if use](https://nexelec.eu/en/terms-of-use/) - [Privacy policy](https://nexelec.eu/en/privacy-policy/) - [Terms & Conditions](https://nexelec.eu/en/terms-conditions/) - Follow us - [![YouTube](https://actualites.nexelec.fr/hubfs/Template%20-%20Winbound/Template%20Blog/youtube%20(1).svg)](https://www.youtube.com/channel/UClL1sWR95bljSOTYtZot5Jg) - [![LinkedIn](https://actualites.nexelec.fr/hubfs/Template%20-%20Winbound/Template%20Blog/Groupe%201828.svg)](https://www.linkedin.com/company/nexelec/) © Nexelec 2026 - All rights reserved ```json { "@context" : "https://schema.org", "@type" : "BlogPosting", "author" : { "@type" : "Person", "name" : "Louise", "url" : "https://actualites.nexelec.fr/en/author/louise" }, "dateModified" : "2025-05-07T12:47:20.268Z", "datePublished" : "2025-01-21T13:09:08.000Z", "headline" : "INFOGRAPHY - The main causes of indoor air pollution", "image" : [ "https://actualites.nexelec.fr/hubfs/Les-principales-causes-de-pollution-interieure-photo_Plan-de-travail-1.png" ], "mainEntityOfPage" : { "@id" : "https://actualites.nexelec.fr/en/infographie-les-principales-causes-de-pollution-de-lair-intérieur", "@type" : "WebPage" }, "publisher" : { "@type" : "Organization", "logo" : { "@type" : "ImageObject", "url" : "https://actualites.nexelec.fr/hubfs/Logo_symbole_Noir_png-1.png" }, "name" : "Nexelec" } } ```