
Blueair Blue Signature Air Purifier for Extra Large Rooms
Q: Is the sensor on this unit, laser or optical?
A: The Blue Signature utilizes a laser sensor to dynamically monitor PM1, PM2.5, and PM10. This sensor is more advanced than LED/Infrared sensors, which only monitor PM 2.5. Though most sensors can be officially categorized as optical. For more information regarding the Blue Signature, visit our website here: https://www.blueair.com/products/blue-signature