Last updated: July 2, 2025
In Changmahe, China, awareness of the UV Index is crucial for safeguarding your skin health and preventing sunburn. Understanding UV levels helps residents and visitors alike take the necessary precautions under the sun, especially given the region's ET climate which can lead to intense UV exposure. During peak hours, the UV Index can soar to 15, indicating extremely high levels of ultraviolet radiation that pose significant risks. By staying informed about these UV levels, you can enjoy outdoor activities while effectively protecting your skin.
The UV Index showcases a dramatic rise in intensity throughout the morning and early afternoon. Starting at a modest 1 at 07:00, the index gradually climbs to 2 by 08:00 and reaches 4 by 09:00. As the sun ascends, it peaks sharply at 14 around 12:00, culminating in a stunning 15 from 13:00 to 14:00—the highest point of the day. Later, the index begins to decline, with readings dropping to 10 by 16:00, and falling further to 3 by 18:00, before settling back down to 1 by 19:00. This data underscores the importance of sun protection during peak hours, especially between 11:00 and 15:00, when UV exposure is at its strongest.
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 | 15 | extreme | 10 min |
14:00 | 15 | 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 |
The UV Index exhibits significant seasonal variations, with the highest values occurring from March through October. This period exhibits an extreme category of UV exposure, particularly peaking in April and May with an index of 14 and 16, respectively, for which the burn time drops to just 10 minutes. February also marks a transition into high-risk exposure, with an index of 8, while the cooler months of January and December show a moderate risk with an index of 5 and longer burn times of 30 minutes. Visitors and residents should be particularly vigilant from February to October, ensuring proper sun protection such as sunscreen, hats, and sunglasses during peak hours, as the risk for skin damage is significantly elevated.
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 |
Changmahe | 5 | 8 | 11 | 14 | 16 | 16 | 15 | 14 | 13 | 11 | 8 | 5 |