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Airthings transfers to Oslo Børs main market


  • The seventh transfer on Oslo Børs in 2022
  • Market capitalisation of NOK 661 million


Oslo – 24 June 2022 – Oslo Børs, the Norwegian stock exchange part of the Euronext Group, today congratulates the tech company Airthings (ticker: AIRX) on its transfer from Euronext Growth Oslo to the Oslo Børs main market. The company was admitted to trading on Euronext Growth Oslo in October 2020, and with the transfer there are 210 companies listed on the main market.

Airthings is a global leader in indoor air quality solutions for consumers, businesses, public sector and professionals. The company was established in 2008, with a common goal to educate on the prevalence of radon, as well as other contaminants, in indoor air, and to develop accessible technology solutions to help people stay healthy.

At opening the share price of Airthings was set at NOK 3.8 per share, based on its closing price on Euronext Growth Oslo on 23 June 2022. This corresponds to a total estimated value of the company of approximately NOK 661 million.

Øyvind Birkenes, CEO of Airthings, said: “Airthings achieves another milestone today, joining the main list at the Oslo Børs as a Norwegian-born, global leader in indoor air quality. We believe this will enable us to access a broader base of international and institutional investors and allow us to demonstrate our value proposition as the global leading air quality company to a wider audience.”



About Airthings

Airthings is a global technology company and producer of award-winning radon and indoor air quality monitors for homeowners, businesses, and professionals. Founded in 2008, Airthings is on a mission to ensure that people around the world recognise the impact of indoor air quality and take control of their health through simple, affordable, and accurate technology solutions while optimising energy consumption in buildings. Airthings’ products have made radon detection and indoor air quality monitoring easy to deploy, accurate, and user friendly, and have received several accolades including the TIME's Best Inventions award and CES Innovation Award Honors. Headquartered in the heart of Oslo, Norway, and with offices in the US and Sweden the company has over 140 employees from more than 35 nationalities – and counting. To see the full range of Airthings indoor air quality monitors and radon detectors or to learn more about the importance of continuous air quality monitoring, please visit

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About Euronext 
Euronext is the leading pan-European market infrastructure, connecting European economies to global capital markets, to accelerate innovation and sustainable growth. It operates regulated exchanges in Belgium, France, Ireland, Italy, the Netherlands, Norway and Portugal. With close to 1,930 listed issuers and around €6.8 trillion in market capitalisation as of end March 2023, it has an unmatched blue-chip franchise and a strong diverse domestic and international client base. Euronext operates regulated and transparent equity and derivatives markets, one of Europe’s leading electronic fixed income trading markets and is the largest centre for debt and funds listings in the world. Its total product offering includes Equities, FX, Exchange Traded Funds, Warrants & Certificates, Bonds, Derivatives, Commodities and Indices. The Group provides a multi-asset clearing house through Euronext Clearing, and custody and settlement services through Euronext Securities central securities depositories in Denmark, Italy, Norway and Portugal. Euronext also leverages its expertise in running markets by providing technology and managed services to third parties. In addition to its main regulated market, it also operates a number of junior markets, simplifying access to listing for SMEs.  
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