IAQ is indoor air quality, which includes the temperature, humidity, air cleanliness and fresh air volume of indoor air. In the past, the study of indoor air quality was based on temperature and humidity. Now the degree of indoor air purification has become one of the focus of attention in the indoor environmental protection community.https://www.renkeer.com/air-quality-monitoring-feature/

Indoor and Outdoor Air Quality Monitoring - Renke

Air quality monitoring can reflect the level of air pollution, provide the public with attention to indoor and outdoor air quality, and protect their health.