Osram has created an ambient light sensor for mobiles and wearables that includes UV-A light detection. “While the UV-C portion of sunlight is blocked by the earth’s atmosphere, UV-A and UV-B radiation reaches the earth’s surface,” according to the company. “UV-B radiation penetrates only the upper layers of the skin and is responsible for sunburn. …
This story continues at Ambient light sensor detects UVA for mobile sun exposure safety
Or just read more coverage at Electronics Weekly