Or how long should you spend outdoors in the sun each day ...
Thanks Richard that's really helpful. It would be great if the UV2day and UVNZ apps contained info about vitamin D exposure. I'm using an old Samsung phone which unfortunately isn't compatible with UVNZ
Thanks Richard that's really helpful. It would be great if the UV2day and UVNZ apps contained info about vitamin D exposure. I'm using an old Samsung phone which unfortunately isn't compatible with UVNZ