Why is indoor air worse than outdoors? How to deal with it?

[ad_1] It is known that indoor air quality is significantly inferior to outdoor air quality. According to research, the following main reasons are known: 1) increased dust content, 2) increased content of gaseous chemicals (coming from interior items and people), 3) reduced number of ions, 4) suboptimal humidity, 5) microbiological contamination. Contrary to popular belief, […]