Last updated: June 2, 2025
Understanding the UV Index in Ongi, Mongolia, is crucial for protecting your skin and overall health. With UV levels peaking during the afternoon, awareness of these readings can help prevent sunburns and long-term skin damage. Ongi's arid climate brings intense sunlight, making it essential to monitor UV exposure, especially between 11:00 AM and 2:00 PM when the index reaches its maximum of 10. By staying informed and taking the necessary precautions, you can enjoy the outdoors while keeping your skin safe from harmful UV rays.
Today's UV Index presents an intriguing curve, starting the day with a mellow maximum of 1 at 07:00. As the sun climbs higher, things heat up quickly—by 10:00, the index reaches 6, and by 12:00, it peaks at an intense 10. This level remains steady until 14:00, urging sun enthusiasts to take precautions. As the afternoon fades, the UV Index gracefully tapers off, dropping to 4 by 17:00, and finally sinking back to a gentle 1 by 19:00. With mid-day UV levels soaring, it’s crucial to stay protected during those peak hours!
| 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 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index experiences significant seasonal changes throughout the year, peaking during the summer months. January and December record the lowest UV levels (Index 2), classified as low exposure, allowing for a burn time of 45 minutes. As spring approaches, February and March see a rise in UV levels to 3 and 5, indicating moderate exposure and shorter burn times of 30 minutes. The highest UV Index occurs from April to August, reaching 10 during the summer, which is categorized as very high, meaning individuals can burn in as little as 15 minutes under direct sunlight. As fall arrives, September and October show a decrease to 7 and 5, indicating high to moderate levels of risk respectively, with burn times extending back to 25 and 30 minutes. Visitors and residents are advised to take protective measures, especially from April through August, when the risk of UV-related harm is at its peak; wearing sunscreen, hats, and UV-protective clothing, and seeking shade is essential during these high-risk months.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Darhan UVI | 1 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 1 |
| Erdenet UVI | 2 | 3 | 5 | 7 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 1 |
| Ulan Bator UVI | 2 | 3 | 5 | 7 | 9 | 9 | 9 | 9 | 6 | 4 | 3 | 1 |
| OElgii UVI | 2 | 3 | 5 | 7 | 10 | 9 | 9 | 9 | 7 | 5 | 2 | 1 |
| Khovd UVI | 2 | 3 | 6 | 7 | 10 | 10 | 9 | 9 | 7 | 5 | 2 | 1 |
| Ongi | 2 | 3 | 5 | 8 | 10 | 10 | 10 | 10 | 7 | 5 | 3 | 2 |