Last updated: August 1, 2025
In Ziyang Chengguanzhen, China, understanding the UV Index is crucial for safeguarding your skin from harmful ultraviolet rays. With peak UV levels reaching 12 around midday, awareness of these fluctuations can mean the difference between enjoying the sun and suffering from painful sunburn or long-term skin damage. This region, characterized by its Cwa climate, experiences significant UV exposure, especially during the warmer months. By keeping an eye on the UV Index, residents and visitors alike can take appropriate precautions to protect their skin and enjoy outdoor activities safely.
At 07:00 AM, the UV Index starts low at 1, perfect for early risers. As the sun climbs higher, it peaks at 12 between 12:00 and 1:00 PM, signaling intense sun exposure—wear sunscreen! From 2:00 PM onwards, the index gradually declines, dropping to 3 by 5:00 PM. As the day winds down, the UV Index returns to the safe zone of 1 by 6:00 PM, allowing evening activities without worry. Remember, the highest UV levels occur during midday, so plan accordingly to protect your skin!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | 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 too does the UV Index, which indicates the intensity of ultraviolet radiation and the risk of skin damage from sun exposure. High-risk months occur from March through September, with the UV Index peaking at 12 in May and July, categorized as extreme, suggesting a burn time of just 10 minutes for unprotected skin. Visitors and residents are advised to take extra precautions during these months by wearing sunscreen, protective clothing, and seeking shade during peak hours. Alternatively, UV levels are lower from October to February, with January and December seeing moderate levels (UV Index 5 and 4, respectively), allowing for longer exposure without significant risk. However, a cautious approach is still recommended year-round for skin health.
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 |
| Ziyang Chengguanzhen | 5 | 6 | 9 | 10 | 12 | 11 | 12 | 11 | 11 | 9 | 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 |