Last updated: May 3, 2025
Understanding the UV Index in Machali, China is crucial for protecting your skin and overall health. The sun's rays can be particularly intense in this ET climate zone, where UV levels often peak between 12 PM and 2 PM, reaching an alarming UV index of 19. Being aware of these changes not only helps in preventing sunburn but also plays a vital role in long-term skin health. With the high risk of exposure during the hottest parts of the day, learning about the UV Index can empower residents and visitors alike to enjoy the sunshine safely while minimizing potential harm. Stay informed, stay protected!
As the day unfolds, UVI levels rise dramatically, revealing the intensity of the sun's rays. Early morning starts with a gentle UV Index of 1 at 7:00 AM, gradually climbing to 2 by 8:00 AM. But as the clock strikes 10:00 AM, the UV index surges to a striking 9, peaking at 19 between 1:00 PM and 2:00 PM, when sun protection is crucial. The intensity begins its gentle decline by 3:00 PM, settling at 16 before waning to 7 by 5:00 PM. As dusk approaches, the UV Index drops to 4 at 6:00 PM and concludes the day with a safe 1 at 7:00 PM. This hourly data underscores the importance of sun safety during the peak hours, especially from 11:00 AM to 2:00 PM, when the sun is at its most harmful.
| 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 | 9 | very high | 15 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 17 | extreme | 10 min |
| 13:00 | 19 | extreme | 10 min |
| 14:00 | 19 | extreme | 10 min |
| 15:00 | 16 | extreme | 10 min |
| 16:00 | 12 | extreme | 10 min |
| 17:00 | 7 | high | 25 min |
| 18:00 | 4 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
The UV Index demonstrates considerable seasonal fluctuations throughout the year, with high-risk months typically occurring from February to September. Notably, March through August experiences extreme UV levels, peaking in May with an index of 19 and a rapid burn time of just 10 minutes. As summer transitions into fall, UV exposure remains very high in October and November, prompting vigilance with indices of 10 and 8, respectively. Conversely, the winter months, January and December, show more moderate UV levels with an index of 4 and 5, allowing for longer safe exposure times of 30 minutes. Visitors and residents are advised to take precautions during high UV periods, especially from March to September, by seeking shade, wearing protective clothing, and applying sunscreen regularly to minimize the risk of 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 |
| 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 |
| Machali | 4 | 7 | 11 | 13 | 19 | 18 | 15 | 14 | 13 | 10 | 8 | 5 |