Report: Fresh air improves performance of children in schools

A large number of children across Europe are working in classrooms with an inadequate supply of daylight and fresh air.

Why is this a problem?

New research has revealed that an optimum indoor environment can improve the performance of school children, according toVelux Group, which focuses on building healthier environments.

Despite improvements to school buildings across Europe in recent years, a large review from German research institute Fraunhofer Institute for Building Physics IBP found that children are frequently working in classrooms with excessive levels of CO2, above the recommended range of 1,000 – 2,000 ppm. The research also indicates that many classrooms do not supply adequate levels of daylight.

The researchers also found that improving ventilation rates, reducing CO2 concentration and increasing access to daylight in classrooms,improvespupils’ performance in the sense of speed, higher levels of attention and concentration and lower rates of absenteeism.

However, the benefits of higher levels of achievement in education are not confined to the children themselves. When comparing the educational levelsbetweenEuropean countries, using a conditional test score based on PISA tests, the study reports that a correlation to the conditional growth within those countries exists.

Important statements from the study:

  • There are currently 95,000,000 pupils in Europe
  • Recommended levels of CO2 are between 1,000 – 2,000 ppm. While levels below 1,000 ppm are considered as hygienically unproblematic, levels above 2,000 ppm are hygienically unacceptable
  • Studies have reported that many schools have CO2 levels above this recommended range

Improved indoor environment = improved performance

  • An average increase in performanceby2.8 percent, and even 15 percent in specific cases
  • Higher levels of attention and concentration
  • Lower rates of absenteeism 
  • An increase of schoolchildrens’ performance by 2.8 percent would lead to a 6.7 - 9.5 percent increase in the conditional growth of the country (based on the gross domestic product (GDP) per capita)

"These results prove that ensuring a healthy indoor environment in schools must becomea mainpriority for public authorities across Europe,” said Ulrich Bang, director of global public affairs and corporate responsibility in the VELUX Group. “Better buildings not only leads to brighter students, they are also good for the economy in terms of increased productivity. I am sure that this study will be the center of much debate and act as a catalyst of change for the better in European schools.”

Click here to see the full report.


Topics: Architectural Firms, Building Owners and Managers, Construction Firms, Educational Buildings, Energy Saving Products, Engineering Firms, HVAC - Heating, Cooling, and Ventilation, Indoor Air Quality (IAQ), Interiors, Technology, Ventilation

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