PM2.5 detectors are devices used to measure the concentration of fine particulate matter (PM2.5) in the air, providing valuable data on air quality. They are used in applications such as environmental monitoring, public health, and indoor air quality assessment, ensuring accurate and reliable PM2.5 measurements. PM2.5 detectors offer features such as high precision, digital displays, and real-time monitoring, making them essential for assessing and controlling air pollution levels. Their ability to provide accurate PM2.5 measurements makes them valuable for maintaining and improving air quality.