• AlephNull [she/her]
    ·
    edit-2
    3 years ago

    Aus had to do that for the UV index a while back

    Edit:

    Sun protection measures are recommended when the UV Index is 3 and above. Remember you can still get burnt on cool or cloudy days – so think UV, not heat.

    http://www.bom.gov.au/uv/index.shtml
    The present index goes to 14+