Indoor air quality is a very important parameter for living environments, which is closely related to people's daily work and health. However, nowadays, the environmental pollution, haze weather and other issues have become increasingly prominent. In this context, it is necessary to design an automatic detection device for monitoring the air quality in buildings. In this paper, an indoor air qu...

The adverse effects of contaminated outdoor air have been recognized and subject to control for many years. More recently environmental engineers and health professionals have become cognizant of the hazards associated with contaminated indoor air. It is now understood that contaminated indoor air negatively impacts human health, worker productivity, and physical property. Volatile organic comp...