Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Tangchi, China, where the climate falls under the humid subtropical category (Cfa) and often leads to heightened UV exposure risks. Awareness of UV levels helps in preventing sunburn and maintaining optimal skin health, especially as sunlight intensity peaks around midday. With UV Index levels soaring to a striking 11 by noon, it's essential for the community to recognize the potential hazards of sun exposure throughout the day. Stay informed and protect your skin to enjoy the vibrant outdoor activities that Tangchi has to offer!
At 07:00, the UV Index starts at a gentle 1, perfect for a leisurely morning stroll. As the sun climbs, it reaches 3 by 08:00, signaling a slight increase in UV intensity. By 09:00, the index escalates to 5, becoming more noticeable. The real peak occurs between 12:00 and 13:00, where it spikes to a striking 11, indicating a high level of UV exposure—time to lather on that sunscreen! As the afternoon progresses, the UV Index gradually declines, dipping to 9 at 14:00, followed by 7 at 15:00. By 16:00, it settles at 4, and as the day winds down, it drops to 2 by 17:00 before returning to a low 1 at 18:00 and 19:00. Be sure to stay protected during the peak hours to enjoy the beautiful day safely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 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 | 11 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | 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 too does the UV Index, influencing sun exposure and burn risk. From January to February, the UV Index remains at 5, categorized as moderate, allowing for 30 minutes of sun exposure without burning. However, by March, the index jumps to 8 (very high), with a burn time of just 15 minutes, peaking in June and July at 12 (extreme), where only 10 minutes of sun is safe. August sees a slight decrease to 11, while September returns to 10 (very high). In October, conditions remain elevated at 8 before the UV Index decreases to 6 in November and drops to 4 by December, both classified as moderate. Given these seasonal variations, it is crucial for visitors and residents to exercise caution during high-risk months, especially from March through September. Regularly applying sunscreen, wearing protective clothing, and seeking shade during peak hours are essential for safe sun practices.
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 |
| Tangchi | 5 | 5 | 8 | 9 | 10 | 11 | 12 | 11 | 10 | 8 | 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 |