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東京都Mainly clear27°

UV index in Parambu

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

0Low

No special protection needed.
Today's peak
9.3
Protect from
08:00
Until
16:00
High-UV hours
9 hours

UV index, next 24 hours

Show data table
UV index by the hour
TimeUV indexRating
01:000Low
02:000Low
03:000Low
04:000Low
05:000Low
06:000.2Low
07:001.8Low
08:003.8Moderate
09:005.9High
10:008Very high
11:009.1Very high
12:009.3Very high
13:009Very high
14:007.6Very high
15:005.6High
16:003.3Moderate
17:001.5Low
18:000.1Low
19:000Low
20:000Low
21:000Low
22:000Low
23:000Low
00:000Low

Peak UV, next 7 days

Full forecast
  1. Today9.3Very high
  2. 10/22木曜日9.3Very high
  3. 10/23金曜日9.3Very high
  4. 10/24土曜日9.3Very high
  5. 10/25日曜日9.3Very high
  6. 10/26月曜日9.6Very high
  7. 10/27火曜日8Very high

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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