Online tools
https://www.dhs.gov/science-and-technology/sars-calculator
on surfaces under a range of temperatures, relative humidity, and UV Index
Use the sliders to select the UV index (select either 0 or a value between 1.5 and 12), temperature and relative humidity of interest. Information on how long SARS-CoV-2 would be expected to remain stable on surfaces will be displayed in the table below. Users can find the environmental conditions for a specific location by accessing general weather resources online.
