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東京都Mainly clear24°

UV index in Parla

WHO scale: from 3 up, protect yourself from the sun. Thin cloud blocks little UV.
☀️ UV now · Parla

1.3Low

No special protection needed.
Today's peak
3.5
Protect from
13:00
Until
15:00
High-UV hours
3 hours

UV index, next 24 hours

Show data table
UV index by the hour
TimeUV indexRating
11:001.3Low
12:002.5Low
13:003.5Moderate
14:003.4Moderate
15:003.3Moderate
16:002.8Moderate
17:002.1Low
18:001.5Low
19:000.5Low
20:000.1Low
21:000Low
22:000Low
23:000Low
00:000Low
01:000Low
02:000Low
03:000Low
04:000Low
05:000Low
06:000Low
07:000Low
08:000Low
09:000.1Low
10:000.6Low

Peak UV, next 7 days

Full forecast
  1. Today3.5Moderate
  2. 10/21水曜日4.5Moderate
  3. 10/22木曜日4.3Moderate
  4. 10/23金曜日3.8Moderate
  5. 10/24土曜日4.1Moderate
  6. 10/25日曜日4.1Moderate
  7. 10/26月曜日4Moderate

Protecting your skin from UV

  • SPF 30+ sunscreenApply 15–20 minutes before going out; reapply every 2 hours and after sweating.
  • Wide-brimmed hat, sunglassesShade your face, neck and eyes — UV400 glasses block nearly all UV.
  • Long sleeves, dense fabricTightly woven, darker fabric blocks more UV than thin, light fabric.
  • Seek midday shadeUV peaks around 10:00–16:00; tip: if your shadow is shorter than you, UV is strong.

UV index FAQ

What UV index is dangerous?

WHO scale: 0–2 low, 3–5 moderate, 6–7 high, 8–10 very high, 11+ extreme. From 3 up, protect yourself; from 8, skin can burn in just 15–20 minutes.

Do I need sunscreen on a cloudy day?

Yes. Thin or broken cloud blocks only a little UV and can even boost it by reflecting off cloud edges. Only very thick cloud cuts it much.

Why is UV higher in the tropics?

The sun is nearly overhead, so UV crosses less atmosphere. In the tropics, midday UV often exceeds 10 all year, especially in summer.

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