Daikin: why is Indoor Air Quality in schools important?

In recent year, indoor air quality in schools has been receiving a lot of attention. Children spend a huge amount of their time indoors while at school. Environmental ventilation influences the level of indoor air pollution in schools, which is often of poor. In fact, poorly ventilated schools often present elevated CO2 levels. Moreover there are many other pollutants such as bacteria, moulds, VOCs and PM. The concentration of these pollutants is a major issue in schools as it often results in respiratory and/or allergic symptoms and diseases in occupants.