Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Dianjun, China, as it provides essential information about the sun's strength and potential health risks associated with UV exposure. High UV levels can lead to sunburn, premature skin aging, and increased risk of skin cancer, making awareness vital for maintaining skin health. Dianjun, with its Cfa climate, typically experiences moderate to high UV exposure, especially during peak hours when the index reaches a maximum of 12. By staying informed about the UV Index, you can take necessary precautions to protect yourself and enjoy the outdoors safely.
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 levels fluctuate significantly, impacting burn times and exposure risk. January and February maintain a high UV Index of 6 with a burn time of 25 minutes. From March to October, the UV Index peaks, particularly in May through August, where it reaches an extreme level of 11 and even 12 in July, reducing burn time to just 10 minutes. April also sees a very high index of 10. The high-risk months for sun exposure are therefore March through September, where sunscreen, protective clothing, and limited sun exposure during peak hours are essential. As the year winds down, October revisits a very high index of 9, followed by a decrease to 6 in November and 4 in December, the latter being classified as moderate with a burn time of 30 minutes. Overall, visitors and residents should remain vigilant, especially from March to September, to minimize skin damage and ensure safety under the sun.
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 |
| Dianjun | 6 | 6 | 8 | 10 | 11 | 11 | 12 | 11 | 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 |