Last updated: June 2, 2025
Understanding the UV Index is essential for residents and visitors in Ongoni, Comoros, where the sun's rays can pose significant health risks. With maximum UV levels peaking at 9 around midday, it becomes crucial to recognize these levels for effective sunburn prevention and maintaining skin health. Given the region's Af climate, characterized by warm temperatures and ample sunlight, awareness of UV exposure is vital to protect yourself and enjoy the outdoors safely. Being informed can help you take necessary precautions to minimize skin damage while making the most of Ongoni's beautiful, sunlit days.
The UV index throughout the day exhibits a dynamic rise and fall, reflecting the sun's intensity. At 07:00, the index starts low at 1, gradually climbing to 2 by 08:00. By 09:00, it reaches a moderate 4, but excitement peaks at 12:00 with a striking 9, indicating a high risk for unprotected skin. The intensity tapers down after this noon pinnacle—falling to 8 at 13:00, then 6 at 14:00. As afternoon turns to evening, the index diminishes significantly, settling at 4 by 15:00, dropping to 2 at 16:00, and finally winding down to 1 by 17:00. As the sun sets, the index recedes completely, hitting 0 by 18:00, leaving a tranquil end to the day. Remember, during peak times, sun protection is crucial!
| 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 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 6 | 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 shows significant seasonal changes, with the highest readings occurring from January to April where the index remains at 16 to 13, signifying an extreme exposure category with a burn time of just 10 minutes. Following this period, the UV Index slightly decreases in June and July to 9 and 10, indicating a very high exposure category with a longer burn time of 15 minutes. As summer transitions to fall, August sees a rise back to 12, followed by consistent extreme levels of 13 from September to November. The high-risk months consistently fall between January and April, with August also posing a notable risk. Visitors and residents are advised to take precautions year-round by applying sunscreen, wearing protective clothing, and limiting sun exposure during peak hours to minimize the risk of skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fomboni UVI | 16 | 15 | 15 | 14 | 11 | 9 | 10 | 12 | 13 | 13 | 13 | 14 |
| Ongoni | 16 | 16 | 15 | 13 | 11 | 9 | 10 | 12 | 13 | 13 | 13 | 15 |
| Tsimbeo UVI | 16 | 16 | 15 | 13 | 11 | 9 | 10 | 12 | 13 | 13 | 13 | 15 |
| Domoni UVI | 16 | 16 | 15 | 13 | 11 | 9 | 10 | 12 | 13 | 13 | 13 | 15 |
| Moutsamoudou UVI | 16 | 16 | 15 | 13 | 11 | 9 | 10 | 12 | 13 | 13 | 13 | 15 |
| Moroni UVI | 15 | 15 | 16 | 14 | 11 | 10 | 10 | 12 | 13 | 13 | 14 | 14 |