There are factors that can decrease the quality of air indoors, and not all of these have symptoms that come with their presence. Although pollutants may not have signs attached to their exposure, it does not mean they don’t have any affects.

Pollutants may cause aggressive illnesses and degrade occupants health. Air sampling analyses the quality of air within a given property, which assists in optimizing residents health.

https://www.einnews.com/pr_news/509881524/is-asbestos-air-sampling-necessary