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Lungs of the City

An approach to reduce exposure to particulate matter by targeted integration of sustainable air treatment technology

November 2019
January 2023
January 2023
  • /

Lungs of the City by ENS Clean Air implemented by City of Eindhoven, Eindhoven University in Eindhoven (Netherlands) in 2018

Showed that health risk could be cost-effectively reduced by 0.5 to 1.5 points in %

Lungs of the City

An approach to reduce exposure to particulate matter by targeted integration of sustainable air treatment technology

  • World Alliance Member
  • Featured Solution
  • Labelled Solution
Label Date January 3, 2023
Parent company Air Liquide
From Netherlands
Maturity stage TRL 9 / CRI 5-6 - Market competition driving widespread deployment &/"Bankable" grade asset class

The Lungs of the City provides a validated solution to substantially improve urban air quality, aiming at particulate matter removal at exposure hotspot locations. The solution is based on a proven air treatment technology, combined with an scientifically validated application strategy and a vast amount of practical experience. Therefore it brings a meaningful addition to existing policies to improve urban air quality. With the Lungs of the City approach, buildings, objects and infrastructure are smartly and efficiently transformed into net air purifiers to bring relief at exposure hotspot and actively reducing health risk. With the Lungs of the City, an important instrument has been added to the toolkit for increasing urban sustainability and improvement of the living environment.

The Environmental Benefits

  • Limit the health risk of poor air quality with 25%
  • Compared to conventional air cleaning technologies, the Lungs of the City approach will reach a 80% reduction in energy consumption
  • The captured residue is 100% reused in architectural building ceramics, and therefore finding its way back in the city in a long lasting sustainable application

The Financial Benefits

  • A 2016 study of the World Bank has shown that each investment in air quality improvement will lead to a fourfold saving in health costs
  • A reduction of 2ug/m3 of PM2.5 concentration will lead to a reduction of more than 6% of the socio-economic cost per year per person.

Target client profile


Activity Region

  • Headquarters
  • Activity

Company Profile

ENS Clean Air

ENS offers a sustainable solution and strategy to eliminate particulate matter from ambient air for exposure reduction

Headquarters 5431 EB Cuijk, Netherlands
Type Startup or self-employed
View company profile Solution website

Parent company

Air Liquide

A world leader in gases, technologies and services for Industry and Health.

Headquarters 75007 Paris, France
View company profile


Contact the Solution Provider Add to Favorites

The information set out above, is solely for the purposes of information and the Solar Impulse Foundation does not provide any guarantee as to its authenticity, completeness or accuracy. This information does not constitute investment advice or a recommendation to buy into, transact or to enter into any agreement with any of the parties or persons mentioned above. Potential investors or interested parties are solely responsible for their investment or business decisions and for performing any due diligence required by the circumstances. The innovator ENS Clean Air has asserted ownership of the intellectual property rights for images, videos, and content showcased above, affirming full and unrestricted usage rights, and has provided explicit permission for the Solar Impulse Foundation to publish such information designated as "public" in the application form.