Last updated: August 1, 2025
In Qiantang, China, understanding the UV Index is essential for safeguarding your skin and overall health. With UV levels peaking at a dangerous 11 during midday, awareness of these daily fluctuations is crucial for preventing sunburn and long-term skin damage. The region’s Cwa climate brings warm summers that can intensify UV exposure, making it vital for residents and visitors alike to stay informed about sun safety. Equip yourself with the knowledge of UV intensity throughout the day to enjoy the sun while protecting your skin!
The UV Index fluctuates throughout the day, beginning with a gentle rise from a modest 1 at 07:00 to a peak of 11 at noon. As the sun reaches its highest point, the intensity of UV radiation escalates, urging caution and protection. The index remains high until 14:00, maintaining a reading of 10, before gradually declining in the afternoon. By 17:00, it drops to 3 and cools off to 1 by evening, highlighting the dramatic shift in UV exposure as daylight fades. For a sun-safe day, plan outdoor activities in the morning or later in the evening!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 3 | moderate | 30 min |
10:00 | 6 | high | 25 min |
11:00 | 9 | very high | 15 min |
12:00 | 11 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 10 | very high | 15 min |
15:00 | 8 | very high | 15 min |
16:00 | 5 | moderate | 30 min |
17:00 | 3 | moderate | 30 min |
18:00 | 1 | low | 45 min |
19:00 | 1 | low | 45 min |
As the seasons change, so do UV index levels, highlighting the importance of sun safety for both visitors and residents. From January to March, UV exposure begins to rise from moderate (5) to very high (8), with significant reductions in burn time. April to September sees peak UV intensity, reaching extreme levels (11), where the burn time shortens to just 10 minutes; these months are particularly hazardous, requiring diligent sun protection. October marks a decline, with a return to very high levels (8) for a brief period, before tapering back to high (6) in November and resetting to moderate (4) in December. Residents and visitors are strongly advised to remain vigilant during the high-risk months of March through September, utilizing sunscreen, protective clothing, and seeking shade whenever possible to safeguard against harmful UV exposure.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Beijing UVI | 2 | 3 | 5 | 8 | 9 | 9 | 10 | 9 | 7 | 6 | 4 | 2 |
Chengdu UVI | 5 | 6 | 8 | 10 | 12 | 11 | 11 | 10 | 11 | 8 | 6 | 4 |
Shanghai UVI | 5 | 6 | 8 | 10 | 10 | 11 | 12 | 11 | 11 | 8 | 6 | 4 |
Qiantang | 5 | 6 | 8 | 10 | 11 | 11 | 11 | 11 | 11 | 8 | 6 | 4 |
Guangzhou UVI | 7 | 9 | 11 | 12 | 13 | 13 | 13 | 12 | 11 | 10 | 9 | 7 |
Shenzhen UVI | 7 | 10 | 12 | 12 | 14 | 13 | 13 | 13 | 12 | 11 | 9 | 7 |