Laos · 17.98, 102.63
Today's peak stays low. Unprotected skin is not at meaningful risk at any point in the day.
Vientiane sits at 18.0° N, in the northern hemisphere. Today's UV peaks at 2.4: the "low" band, which uvlevel.net treats as no danger for unprotected skin at the worst hour.
In the Northern Hemisphere at this latitude, UV climbs highest around June and July and eases, without disappearing, around December and January. Even the winter trough here can still cross the moderate band near midday.
| Local time | UV index | Risk |
|---|---|---|
| 00:00 | 0 | No danger |
| 01:00 | 0 | No danger |
| 02:00 | 0 | No danger |
| 03:00 | 0 | No danger |
| 04:00 | 0 | No danger |
| 05:00 | 0 | No danger |
| 06:00 | 0 | No danger |
| 07:00 | 0.3 | No danger |
| 08:00 | 0.7 | No danger |
| 09:00 | 0.8 | No danger |
| 10:00 | 0.9 | No danger |
| 11:00 | 1.7 | No danger |
| 12:00 | 2.4 | No danger |
| 13:00 | 2.1 | No danger |
| 14:00 | 2.3 | No danger |
| 15:00 | 1.7 | No danger |
| 16:00 | 1 | No danger |
| 17:00 | 0.3 | No danger |
| 18:00 | 0.2 | No danger |
| 19:00 | 0 | No danger |
| 20:00 | 0 | No danger |
| 21:00 | 0 | No danger |
| 22:00 | 0 | No danger |
| 23:00 | 0 | No danger |
| Skin type | Time to burn |
|---|---|
| I · always burns, never tans | 57 min |
| II · burns easily | 1 h 11 min |
| III · burns sometimes | 1 h 39 min |
| IV · rarely burns | 2 h 08 min |
| V · brown skin | 2 h 50 min |
| VI · deeply pigmented | 4 h 44 min |
Not today. UV in Vientiane is forecast to stay under 3 all day, peaking at 2.4.
UV is highest in Vientiane at around 12:00 local time today, reaching 2.4.
At today's peak of 2.4, fair skin (Fitzpatrick type II) with no sunscreen burns in about 1 h 11 min. Darker skin types take longer. See the table above for every type.
In the Northern Hemisphere at this latitude, UV climbs highest around June and July and eases, without disappearing, around December and January. Even the winter trough here can still cross the moderate band near midday.
Forecasts and elevation from Open-Meteo. The second UV opinion contains modified Copernicus Atmosphere Monitoring Service (CAMS) information; neither the European Commission nor ECMWF is responsible for how it is used here.
uvlevel.net gives general sun-safety guidance, not medical advice. Photosensitising medication, skin conditions, infants and a history of skin cancer all call for stricter limits than shown here.