Last updated: June 2, 2025
In Zengji, China, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels can help you prevent sunburn and reduce the risk of long-term skin damage, especially in a region characterized by its Cfa climate, where warm and humid conditions can lead to higher UV exposure. During peak hours, particularly between 10 AM and 2 PM, the UV Index often soars to levels 9 and 11, marking a significant risk for unprotected skin. Stay informed and take the necessary precautions to enjoy the sun safely!
As the sun rises and begins to shine, the UV Index gradually climbs, peaking at an impressive 11 at noon, making it crucial to take protective measures. From a gentle 1 at 07:00, the index steadily increases, hitting 5 by 09:00. By 10:00, it surges to 7, and just before lunchtime, it reaches its highest point at 11. This is the perfect time to seek shade or apply sunscreen. As the afternoon progresses, the index starts to drop: 10 at 13:00, 9 at 14:00, and then tapering off to 6 at 15:00, before descending to a safe 1 by 18:00. This data highlights the need for sun protection during the peak hours to ensure a safe and enjoyable day outdoors!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
As the seasons change, so does the UV Index, which indicates the potential harm from sun exposure. January and February show a moderate UV Index of 5, allowing for a burn time of 30 minutes. However, as spring approaches, UV levels escalate significantly, with March through May reaching very high levels (UV Index 8-10) and drastically reducing safe exposure times to 15 minutes. June through August presents an extreme UV Index, peaking at 12 in July, where burn time shrinks to a mere 10 minutes. In September and October, while still categorized as very high, the UV Index begins to drop, culminating with a high UV Index of 6 in November and returning to moderate in December. To protect against skin damage, it is crucial for visitors and residents to take particular care between March and October, especially during the peak summer months when risks are highest. Daily use of sunscreen, wearing protective clothing, and limiting sun exposure during peak hours are strongly advised.
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 |
| Zengji | 5 | 5 | 8 | 9 | 10 | 11 | 12 | 11 | 10 | 9 | 6 | 4 |
| 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 |
| 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 |