Invisible gases and particles in the air you breathe.
We breathe more than 20,000 times a day without knowing what substances are in the air, where and how they come about, what effects they have on us, or what the exposure limits are. We have compiled information for you on the exposure limits for gases, particles, and pollutants found in indoor air.
These substances affect your health and well-being—learn all about the quality of the air you breathe
Here you can learn about the invisible gases and particles present in the air you breathe. We explain how these various substances and compounds are formed and what effects they have on you. You’ll also get an overview of the often complex definitions of exposure limits, such as those set by the Federal Environment Agency or the WHO. This leads to recommendations for improving your indoor air quality in a sustainable way.
All measured values and sensors at a glance
Click on a measured value to view the details, limit values, and corresponding air-Q variants.