Last updated: June 2, 2025
In Lab, China, being aware of the UV Index is crucial for safeguarding your skin against harmful ultraviolet radiation. Understanding UV levels can significantly reduce the risk of sunburn and long-term skin damage, making it essential for both residents and visitors to stay informed. The ET climate of Lab presents unique challenges, with peak UV exposure hitting an alarming 16 around midday. Being proactive about UV protection during these hours can help you enjoy the outdoors while keeping your skin healthy and safe.
At dawn, the UV Index remains low, peaking at 1 by 7:00 AM. As the sun climbs higher, the intensity of ultraviolet radiation ramps up, reaching 2 by 8:00 and spiking to a notable 4 by 9:00. The real breakthrough occurs at 10:00 AM, when the index hits 7, indicating a significant rise in sun exposure risks. By noon, the index escalates to a staggering 14, and it soars to its maximum at 1:00 PM, reaching a peak of 16. This level of UV radiation stays steady through 2:00 PM before gently declining, dipping to 13 by 3:00 PM and gradually tapering off to 6 at 5:00 PM. As the day winds down, the UV Index falls back to more manageable levels, measuring 3 by 6:00 PM and returning to 1 by 7:00 PM, reminding us of the importance of sun safety during peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 16 | extreme | 10 min |
| 14:00 | 16 | extreme | 10 min |
| 15:00 | 13 | extreme | 10 min |
| 16:00 | 10 | very high | 15 min |
| 17:00 | 6 | high | 25 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences significant fluctuations, with the highest risk months occurring from March to October, where values peak at 17 in May. During these months, the UV exposure is classified as extreme, with a rapid burn time of just 10 minutes. Visitors and residents are advised to take essential precautions during this period, including wearing protective clothing, applying broad-spectrum sunscreen with a high SPF, and seeking shade during peak sun hours. Conversely, the UV Index starts and ends the year on a lower note, with January and December reflecting an average UV Index of 6, categorized as high, allowing for a more extended burn time of 25 minutes. It’s crucial for everyone to remain vigilant about UV exposure year-round, especially in the peak summer months.
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 |
| 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 |
| Lab | 6 | 9 | 13 | 15 | 17 | 16 | 15 | 14 | 14 | 11 | 9 | 6 |