Last updated: June 2, 2025
Understanding the UV Index is essential for residents and visitors in Bajiazi, China, where varying levels of sunlight can significantly influence your skin health. The UV Index provides critical information about the strength of UV radiation each hour, helping you plan your day and protect yourself from sunburn and long-term skin damage. With a Dwb climate characterized by distinct seasons, Bajiazi experiences high UV exposure particularly during the summer months, peaking at a level of 9 around midday. By being aware of these UV levels, you can take proactive steps to enjoy the sun safely and maximize your outdoor experiences while minimizing health risks.
The UV Index climbs steadily throughout the morning, starting at a manageable 3 at 07:00 and surging to a peak of 9 between 10:00 and 12:00. During these hours, sun protection is crucial as the intensity remains high, ideal for outdoor activities if precautions are taken. As the afternoon sets in, the index begins to decline, dropping to 8 by 13:00, and then tapering off to 6 at 14:00. By the afternoon, the risks lessen significantly, with readings falling to 4 at 15:00, and a gentle decline continues into the evening, reaching 1 by 17:00 and finally settling at 0 after 19:00. This pattern emphasizes the importance of maximizing sun safety during the midday hours, where the sun's rays are at their strongest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 3 | moderate | 30 min |
| 08:00 | 5 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
As the seasons change, so do the UV levels, significantly impacting sun safety for residents and visitors. From January to February, the UV Index rises from 2 (low) to 3 (moderate), allowing for longer exposure times before burning occurs, with a burn time of 45 minutes in January decreasing to 30 minutes by February. Spring sees a marked increase, particularly in March and April, where the UV Index reaches 6 (high) and 7 (high), resulting in shorter burn times of just 25 minutes. The summer months, especially July, present the highest risk with an extreme UV Index of 11 and a critical burn time of only 10 minutes. May and June also fall under the very high category, stressing the need for protective measures. As we transition into fall, the UV Index decreases, with October through November returning to a moderate level, making it safer for sun exposure. To protect against sun damage, individuals should take precautions, especially during the high-risk months from March through September, by wearing sunscreen, protective clothing, and seeking shade during peak hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bajiazi | 2 | 3 | 6 | 7 | 8 | 9 | 11 | 10 | 8 | 5 | 3 | 2 |
| 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 |
| 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 |