Last updated: May 3, 2025
In Hoshigiyn-Ar, Mongolia, understanding the UV Index is crucial for safeguarding your skin health and preventing sunburn. With a high desert climate (BSk) and significant UV exposure, especially between 11:00 AM and 2:00 PM when the UV Index peaks at 9, residents and visitors alike must be mindful of their sun exposure. By staying informed about daily UV levels, you can enjoy the beautiful outdoors while protecting yourself against harmful ultraviolet radiation.
The UV Index for today reveals a dynamic shift in solar intensity throughout the day. Starting with a gentle maximum of 1 at 7:00 AM, the sunlight gradually intensifies, peaking at 9 from 12:00 PM to 1:00 PM. This period, marked by high UV levels, urges caution for outdoor activities. As the afternoon unfolds, the index begins a steady decline, tapering off to 3 by 5:00 PM and returning to a mild 1 by 7:00 PM. It's a day perfectly suited for sun safety practices, with the highest exposure time being between 11:00 AM and 1:00 PM. Enjoy the sun, but remember to protect your skin!
| 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 | 9 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
As the year progresses, the UV Index exhibits notable seasonal changes, impacting sun safety for both visitors and residents. During winter months (January and December), the UV Index remains low (2), allowing for safer outdoor activities with longer burn times of 45 minutes. However, as spring approaches, March sees a moderate increase (UV Index of 5), shortening burn times to 30 minutes. The high-risk months of April through August present significant concern, with UV Index values peaking at 9 and very high exposure category, reducing burn times to just 15 minutes. As summer transitions to fall, September and October witness a decline in UV intensity, but caution remains advisable in September (UV Index 7) with a burn time of 25 minutes. To ensure safety, residents and visitors are encouraged to practice sun protection measures—such as wearing sunscreen, hats, and protective clothing—especially during the peak UV periods from April to August.
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 |
| Hoshigiyn-Ar | 2 | 3 | 5 | 7 | 9 | 9 | 9 | 9 | 7 | 5 | 3 | 2 |
| 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 |