AllerTech offers air quality monitoring equipment that can distinguish between different types of airborne particles in addition to counting their quantity. Using a quick image processing method, AllerTech's handheld devices can identify various particles and deliver comprehensive air quality data via a mobile app. These instruments can discriminate between dust and pollen, metal and synthetic fibers, solid and liquid particles, etc. Furthermore, AllerTech can detect airborne water droplets in the context of the current epidemic, allowing users to quickly determine the safety of their surroundings.