Last updated: June 2, 2025
Understanding the UV Index in Hedi, China is crucial for protecting your skin and promoting overall health. The UV Index measures the strength of ultraviolet radiation from the sun, and in a climate like Hedi's, which experiences high humidity and warm temperatures, awareness of UV levels can significantly reduce the risk of sunburn and long-term skin damage. During peak hours, particularly between 11:00 AM and 1:00 PM, the UV Index rises to alarming levels, reaching as high as 13. This highlights the importance of taking preventive measures to enjoy the outdoors safely while minimizing exposure to harmful rays. Stay informed and shield your skin to embrace the sun responsibly!
The UV Index shows a dynamic progression throughout the day, starting from a mild 2 at 07:00 and climbing steadily to a peak of 13 by 12:00. As the sun reaches its zenith, the index reflects the intensity of ultraviolet rays, hitting 12 at 13:00 before gradually declining. By the afternoon, it slips down to 6 at 15:00, then diminishes further to 2 at 17:00 and finally to a mere 0 as twilight descends at 19:00. It's clear that the highest risk for sun exposure occurs midday, making it essential to protect your skin during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 9 | 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 | 0 | low | 45 min |
The UV Index demonstrates significant seasonal changes, peaking in the summer months. From March to September, the index remains predominantly in the extreme category (11-13), indicating high risk of harm from unprotected sun exposure, with a burn time of only 10 minutes. The months of February and October show a slight reduction in risk but still fall into the very high category (8-9) with burn times of 15 minutes. In contrast, January and December exhibit a drop to the high category (6-7), with burn times increasing to 25 minutes. Residents and visitors are advised to take precautions during high-risk months (February through September), including wearing protective clothing, applying sunscreen, and seeking shade during peak hours, to mitigate the harmful effects of UV radiation.
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 |
| Hedi | 7 | 9 | 11 | 12 | 13 | 13 | 13 | 13 | 12 | 9 | 8 | 6 |
| 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 |