Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Yunyang, China, where the subtropical highland climate can lead to significant UV exposure. As the sun rises, so do the levels of ultraviolet radiation, peaking at an alarming UV Index of 12 around noon. Being aware of these levels is essential for sunburn prevention and maintaining long-term skin health. With typical risks of overexposure, especially during the summer months, knowing when to seek shade or apply sunscreen is key to enjoying the sunny days in this beautiful region while protecting yourself from harmful effects. Stay informed, stay safe!
The UV Index for today showcases a dramatic rise as the sun climbs higher in the sky. Beginning at a mild 1 at 07:00, it reaches a low 2 by 08:00, signaling a safe start to the day. However, as the clock ticks toward 10:00, intensity spikes to 7, peaking at an intense 12 from noon to 13:00, indicating a critical time for sun safety. Following this zenith, the index gradually decreases, falling back to 10 by 14:00 and tapering off to 1 by 19:00. To enjoy the outdoors while minimizing skin damage, it’s essential to stay vigilant around midday when the UV levels are at their highest!
| 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 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | 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 |
Throughout the year, UV index levels exhibit significant seasonal variation, with high-risk months characterized by extreme UV exposure, particularly from April to September. During this period, the UV Index consistently reaches 12, indicating an extreme level of risk with a burn time of just 10 minutes. Visitors and residents are advised to take protective measures, such as wearing sunscreen, protective clothing, and seeking shade during peak hours, especially from March through September when the risk of sunburn is highest. Conversely, the months of January, February, and November present a moderate to high exposure risk, with burn times extending to 25-30 minutes. As the UV levels drop in December, it is essential to remain vigilant, as even lower indices can still pose a risk. Overall, proactive sun safety practices are critical during the higher UV index periods to avoid adverse health effects.
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 |
| Yunyang | 5 | 6 | 8 | 11 | 12 | 12 | 12 | 12 | 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 |