Indoor air purifiers that produce even small amounts of ozone may be risky for health

摘要

In a small,poorly ventilated room,an indoor air purifier that produces even a few milligrams of ozone per hour can create an ozone level that exceeds public health standards,researchers at University of California Irvine have found.Scientists also discovered that ozone produced by air purifiers adds to ozone already present in any room - a prediction that had never been experimentally verified in a realistic indoor environment.