Which technology is commonly used for air quality monitoring in indoor environments?

Particle counters are widely utilized for air quality monitoring in indoor environments due to their ability to accurately measure the concentration of airborne particles. These devices can detect various sizes of particulate matter, which is crucial for assessing air quality because particulate pollution can significantly impact health. By providing real-time data on particles, including dust, allergens, and pollutants, particle counters help identify sources of contamination and assess the effectiveness of air filtration and ventilation systems.

In contrast, thermal imaging cameras are primarily used for identifying temperature differences and heat loss in buildings rather than directly measuring air quality. Infrared gas analyzers are effective for measuring specific gases in the air, such as carbon dioxide or volatile organic compounds, but they do not provide a comprehensive overview of particulate matter. Ultrasonic leak detectors are focused on identifying leaks in pressurized systems and do not pertain to air quality measurements. Thus, particle counters stand out as the most relevant technology for monitoring indoor air quality.