Reliable measurement of indoor air qualityWe spend more than 90% of our life indoors, and increasingly dense building structures make it more difficult to ventilate pollutants with noticeable effects on air quality.Increased carbon dioxide concentrations – even if they are within the permissible limit values ​​- can not only lead to tiredness, poor concentration or loss of performance, but can also cause serious health problems, especially in children or weak people.