Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Qianquan, China, where the sun can pose significant risks to skin health. Awareness of daily UV levels helps prevent sunburns and long-term skin damage, fostering overall wellness in the community. With a Cfa climate, Qianquan experiences intense sunlight, especially during the midday hours when the UV Index often peaks at 11—a level that indicates extreme risk of harm from unprotected sun exposure. By staying informed about UV fluctuations throughout the day, you can enjoy the beautiful outdoors safely while protecting your skin from harmful rays.
At dawn, the UV Index begins its day at a mild 1 by 7:00 AM, offering a gentle reminder that the sun is starting to rise. As the hours progress, it climbs steadily, reaching 3 by 8:00 AM and 5 by 9:00 AM, hinting at the sun's increasing potency. The peak arrives at 12:00 PM, where the UV Index soars to an impressive 11, marking the sun's highest intensity and urging caution for those outdoors. Throughout the afternoon, it begins to decline, settling at 10 by 1:00 PM and gradually tapering off to 8 by 2:00 PM. By 3:00 PM, it dips to 6, then down to 4 by 4:00 PM, eventually falling back to its morning level of 1 by 7:00 PM. As the sun sets, the UV Index gently eases into the evening, rounding off the day’s exposure.
| 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 | 9 | very high | 15 min |
| 12:00 | 11 | extreme | 10 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 |
Seasonal changes in UV exposure reveal significant fluctuations throughout the year. The highest risk months occur from June to August, where the UV Index reaches a peak of 11, indicating extreme exposure and a burn time of just 10 minutes. Spring ushers in rising UV levels, with March to May classified as very high risk months. Conversely, winter months like December and January present lower risk, with UV levels categorized as moderate or high. Visitors and residents are strongly advised to take necessary precautions during the high-risk months by wearing protective clothing, using sunscreen with high SPF, and seeking shade during peak sunlight hours to minimize the risk of UV-related skin damage.
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 |
| Qianquan | 5 | 6 | 8 | 9 | 10 | 11 | 11 | 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 |