4 ms·
Clouds do very much attenuate UV radiation; how strongly they do so depends on their thickness/density. See ballpark figures here: https://www.epa.gov/sunsafety
by wswope 4y ago
Clouds do very much attenuate UV radiation; how strongly they do so depends on their thickness/density. See ballpark figures here: https://www.epa.gov/sunsafety/calculating-uv-index-0 https://www.epa.gov/sunsafety/calculating-uv-index-0