UV (which stands for Ultra Violet) is high energy and short wavelength electromagnetic radiation just past the violet end of the visible spectrum. UV is what gives you vitamin D and a tan… and a sunburn… and, well, skin cancer. It’s a case of a little being ok but too much being pretty bad. Like bacon.
You can do some things to reduce your UV exposure while still enjoying the nice weather (and getting that all-important vitamin D). Here are a few:
wear long sleeves,
wear a hat, and
use adequate strength sunscreen
You can get an idea of what to do by checking the UV forecast for your area. That will give you an indication of what the relative strength of the UV radiation will be. In the US, the EPA makes this information available online by zip code.
In this project, we use that to fetch current UV index data and display it on a PyPortal screen.
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