How long can your skin take the sun today?
A 10-second check — your personal safe-exposure window and vitamin-D window, from your skin type and today's UV index. Conservative and science-based. No account, no tracking.
Two quick things
Pick the closest — how your skin usually reacts to strong sun.
0–15
On your weather app, or search "UV index" plus your city. Use the day's peak for the safest read.