Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Tongshan, China, where sun exposure can pose serious health risks. Being aware of UV levels helps you take proactive steps to prevent sunburn and safeguard your skin's health, especially during peak hours. With a Cwa climate, Tongshan experiences significant UV exposure, particularly between 10 AM and 2 PM, when the index reaches its highest levels of 10. Stay informed and take action to protect yourself from the sun's harmful rays!
As the day begins at 07:00 with a low UV Index of 1, the sun gradually gains strength. By 08:00, it rises to 3, prompting a hint of caution for early risers. 09:00 brings a noticeable jump to 5, while 10:00 reaches a robust 8. The sun peaks at 11:00 and 12:00, maintaining a high UV Index of 10, indicating that sun protection is essential during these hours. Even the early afternoon sees this intensity sustain at 10 until 13:00. As the day progresses, the UV Index slips to 8 by 14:00 and continues to decline to 6 at 15:00. In the late afternoon and evening, the UV levels gently taper off, dropping to 4 at 16:00, and finally resting at 2 by 17:00, before settling back to a safe 1 by 18:00 and 19:00. Be mindful to shield yourself during the peak hours to enjoy the sun 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 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 8 | 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 |
Throughout the year, the UV Index experiences significant fluctuations, with the highest risk months typically occurring from April to August. During this period, the UV Index peaks at 11, indicating an extreme exposure category in May, July, and August, with minimal burn times of just 10 minutes. Visitors and residents are strongly advised to take precautions during these months, including wearing sunscreen, protective clothing, and seeking shade to reduce the risk of sunburn. March and September also present increased risk with a high to very high UV Index; while October remains very high, the burn time slightly increases to 15 minutes. The months of January, February, November, and December show a moderate UV Index, allowing for a more extended exposure of up to 30 minutes with less immediate concern for harm. It's essential for everyone to stay vigilant about UV exposure to protect their skin year-round.
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 |
| Tongshan | 5 | 5 | 7 | 8 | 11 | 10 | 11 | 11 | 9 | 8 | 5 | 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 |