Last updated: June 2, 2025
In the tropical paradise of Mantasi, Indonesia, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. The UV Index serves as a simple, yet powerful tool that highlights the intensity of ultraviolet radiation at different times of the day. Understanding these levels is especially important in Mantasi's warm Aw climate, where UV exposure peaks at 10, leading to a higher risk of skin damage during midday hours. By keeping an eye on the UV Index, residents and visitors can take proactive steps to protect themselves, ensuring a safe and enjoyable experience under the sun.
The UV Index today began its ascent at a mild level of 1 at 7:00 AM, but soon picked up momentum. By 10:00 AM, it soared to 8, peaking at a significant 10 from 11:00 AM to 12:00 PM, signaling a time for sun protection. As the afternoon rolled in, the intensity started to wane, dropping to 9 at 1:00 PM and then descending to 6 by 2:00 PM. The sun's rays softened further, concluding the day with a gentle 3 at 3:00 PM and returning to a low 1 by 5:00 PM. Finally, the UV Index waned to 0 by 6:00 PM, marking the end of a day defined by fluctuating sunshine intensity.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 3 | moderate | 30 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index reveals significant seasonal changes in sun exposure, with extreme levels occurring consistently from January through November. The highest risk months are February, March, July, August, and September, all averaging a UV Index of 16 or higher, resulting in a burn time of just 10 minutes. Even in June, while the Index lowers slightly to 10, the exposure remains categorized as very high, allowing for a bit more time before burning at 15 minutes. It is crucial for both residents and visitors to prioritize sun safety throughout the year, particularly between January and November, by wearing protective clothing, applying high-SPF sunscreen regularly, and seeking shade during peak sunlight hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Surabaya UVI | 13 | 15 | 14 | 12 | 12 | 10 | 11 | 12 | 14 | 13 | 13 | 13 |
| Bekasi UVI | 14 | 16 | 16 | 14 | 11 | 10 | 10 | 11 | 13 | 15 | 14 | 13 |
| Jakarta UVI | 14 | 16 | 16 | 14 | 11 | 10 | 10 | 11 | 13 | 15 | 14 | 13 |
| Medan UVI | 13 | 15 | 15 | 15 | 14 | 12 | 12 | 13 | 14 | 14 | 13 | 12 |
| Bandung UVI | 15 | 16 | 16 | 15 | 12 | 11 | 11 | 12 | 14 | 15 | 15 | 14 |
| Mantasi | 15 | 16 | 16 | 14 | 12 | 10 | 11 | 13 | 15 | 15 | 15 | 14 |