(100 to 280 nanometer wavelength) very readily affected by ozone levels. Very little UVC radiation reaches the earthâ€™s surface.
UVC is that part of the UV spectrum between 100 and 280 nanometers. UVC is sometime referred to as germicidal radiation as it can kill microorganisms, including bacteria. The only sources of UVC on earth are artificial as the UVC originating from the sun is completely absorbed by the stratosphere, ozone and atmospheric gases. Few people are ever exposed to UVC.
Not visible to the naked eye, used in sterilizers and kills bacteria, extremely dangerous and can cause damage to DNA