Shanghai, China · 31.23, 121.47
Today's peak is very high. Skin damage happens fast: roughly 20 min before burning at the worst hour. Avoid direct sun entirely inside the danger window below.
About the UV index in Shanghai
Shanghai sits at 31.2° N, in the northern hemisphere. Today's UV peaks at 8.4: the "very high" band, which uvlevel.net treats as serious 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.
Hour by hour today
| 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 | 0.2 | No danger |
| 07:00 | 1.1 | No danger |
| 08:00 | 2.7 | No danger |
| 09:00 | 4.7 | Caution |
| 10:00 | 6.4 | Danger |
| 11:00 | 7.7 | Danger |
| 12:00 | 8.4 | Serious danger |
| 13:00 | 8.4 | Serious danger |
| 14:00 | 6.8 | Danger |
| 15:00 | 3.8 | Caution |
| 16:00 | 4.4 | Caution |
| 17:00 | 1.5 | No danger |
| 18:00 | 1.1 | No danger |
| 19:00 | 0.2 | 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 | 16 min |
| II · burns easily | 20 min |
| III · burns sometimes | 28 min |
| IV · rarely burns | 36 min |
| V · brown skin | 48 min |
| VI · deeply pigmented | 1 h 19 min |
Next 7 days · daily peak
Frequently asked
Is the UV index dangerous in Shanghai today?
Yes. UV in Shanghai is forecast to reach 3 or higher from 08:09 to 16:28 local time today, peaking at 8.4.
What time is UV highest in Shanghai?
UV is highest in Shanghai at around 12:00 local time today, reaching 8.4.
How long can unprotected skin stay out in Shanghai today?
At today's peak of 8.4, fair skin (Fitzpatrick type II) with no sunscreen burns in about 20 min. Darker skin types take longer. See the table above for every type.
Does the UV index in Shanghai change with the seasons?
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.
Nearby cities
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.