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Sunday, 18 October 2026 Singapore 23 live tools

Air & Weather

UV Index

Singapore's live Ultraviolet Index from NEA, with today's hour-by-hour readings and what protection you need right now.

Live data Source: data.gov.sg ♡ Save

Reading for 4pm, today · published 4:11pm

NEA updates the UV Index every hour

UV Index 2 Low

Low — what to do

No protection needed for most people. Safe to be outdoors.

Peak so far today
5 Moderate · 1pm
Hours reported
10

Today's readings

Hourly UV Index 7am 0, 8am 0, 9am 0, 10am 2, 11am 3, 12pm 4, 1pm 5, 2pm 4, 3pm 4, 4pm 2 0 3 6 8 11 7am: UV 0 (Low) 0 7am 8am: UV 0 (Low) 0 8am 9am: UV 0 (Low) 0 9am 10am: UV 2 (Low) 2 10am 11am: UV 3 (Moderate) 3 11am 12pm: UV 4 (Moderate) 4 12pm 1pm: UV 5 (Moderate) 5 1pm 2pm: UV 4 (Moderate) 4 2pm 3pm: UV 4 (Moderate) 4 3pm 4pm: UV 2 (Low) 2 4pm 5pm 6pm 7pm
Each bar is the UV Index for that hour, coloured by exposure level. The highlighted bar is the latest reading; empty slots are hours not reported yet.
  1. 0–2 Low
  2. 3–5 Moderate
  3. 6–7 High
  4. 8–10 Very High
  5. 11+ Extreme

The UV Index measures the strength of the sun's skin-burning ultraviolet rays. It is published hourly for the whole of Singapore by the National Environment Agency via data.gov.sg. Levels follow the WHO scale: Low 0–2, Moderate 3–5, High 6–7, Very High 8–10, Extreme 11+.

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