Last updated: May 3, 2025
Understanding the UV Index is crucial for the residents of Folaoen Satu, Indonesia, where the tropical climate brings significant sun exposure throughout the year. Monitoring UV levels is essential not only for preventing sunburn but also for maintaining long-term skin health. During peak sunlight hours, particularly from 10 AM to 2 PM, the UV Index can reach alarming levels, peaking at a 12—indicating extreme risk. With this knowledge, residents can take proactive measures to protect themselves against harmful UV radiation and enjoy the beautiful sunny days that Folaoen Satu is known for.
At dawn, the UV Index starts off gently at 1 by 07:00, but as the morning unfolds, it swiftly climbs. By 09:00, the index hits 6, indicating a moderate risk of harm from unprotected sun exposure. The sun reaches its zenith around noon, peaking at a scorching 12 at 12:00. 11:00 to 12:00 marks the most dangerous hours for sun exposure, with the UV Index staying at 11 and 12, so sunscreen is essential! After this peak, a gradual decline begins. By 14:00, it drops to 7, and then further descends into the afternoon and evening, stabilizing at 0 by 19:00, indicating a safe end to sun exposure for the day. This data serves as a reminder to stay sun-safe during those critical midday hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index displays remarkably high levels throughout the year, with the most critical months being January to March and October, where the UV Index reaches a peak of 16 and is categorized as extreme. Other high-risk months include April and November, both at 14. Of particular note, the burn time remains alarmingly low at 10 minutes for most of the year, emphasizing the need for protective measures against UV exposure. June and July see a slight decrease to a very high level of 10 and 11 respectively, allowing for a slightly extended burn time of 15 minutes in June. Visitors and residents are strongly advised to take precautionary measures during these months, including wearing sunscreen, protective clothing, and limiting sun exposure, especially during peak hours. Staying informed on UV levels can significantly help in reducing health risks associated with prolonged sun exposure.
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 |
| Folaoen Satu | 15 | 16 | 16 | 14 | 12 | 10 | 11 | 13 | 15 | 16 | 15 | 14 |