> For the complete documentation index, see [llms.txt](https://aironetwork.gitbook.io/airo-network-whitepaper-v1.5/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://aironetwork.gitbook.io/airo-network-whitepaper-v1.5/sources-and-links.md).

# Sources and Links

(2-4) <https://www.eea.europa.eu/publications/air-quality-in-europe-2019>

(5) World Health Organization. "Nine out of Ten Europeans Exposed to Unsafe Levels of Air Pollution." [www.who.int/news-room/fact-sheets/detail/ambient-(outdoor)-air-quality-and-health](http://www.who.int/news-room/fact-sheets/detail/ambient-\(outdoor\)-air-quality-and-health)

(6) European Environment Agency (EEA). 2017. Industrial emissions: Cutting Europe’s pollution bill. <https://www.eea.europa.eu/highlights/industrial-air-pollution-in-europe>

(7) <https://meersens.com/indoor-air-quality-the-impact-of-co2-on-health-and-wellbeing-at-work/?lang=en>

(8) <https://www.fortunebusinessinsights.com/air-quality-monitoring-system-market-105614>