Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Zanjan, Iran, where the unique Dsb climate can lead to significant variations in UV exposure throughout the day. Awareness of UV levels is vital for preventing sunburn and safeguarding long-term skin health. With midday UV Index readings peaking at 13, Zanjan experiences high radiation levels, especially between 10:00 AM and 2:00 PM. Being informed empowers you to take protective measures against harmful effects, ensuring you enjoy the sunshine safely while minimizing risks associated with excessive UV exposure.
As the sun rises, the UV Index begins its climb, starting at a gentle 1 at 07:00. By 08:00, it ticks up to 3, signaling a need for light sun protection. The intensity escalates sharply, peaking at an intense 13 by 12:00 and 13:00, making midday the most hazardous time for unprotected skin. Thankfully, as the afternoon cools, the index gradually declines, dropping to 9 at 15:00 and further to 6 by 16:00. After a gradual descent, it settles back to a safe 1 by 18:00 and 19:00, signaling the end of a day spent under the sun. Remember, when the UV Index reaches critical levels, it’s essential to take precautions to protect your skin!
| 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 | 11 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
As the seasons change, so do the UV Index levels, significantly impacting sun safety for both visitors and residents. January to February sees a moderate to high risk, with a UV Index reaching 6 and corresponding burn times of 30 to 25 minutes. However, from March to August, the UV Index escalates to extreme levels, peaking at 13 in May and maintaining high values throughout the summer months. This period signifies the high-risk months for sun exposure, where burn times drop drastically to just 10 to 15 minutes. As we transition into September to October, the risk slightly decreases, yet caution remains essential with a very high UV Index of 10 in September. Therefore, it is advisable for residents and visitors to take protective measures during these peak months by seeking shade, wearing sunscreen, and donning protective clothing to minimize sun exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Karaj UVI | 4 | 5 | 8 | 9 | 12 | 12 | 11 | 10 | 10 | 7 | 4 | 3 |
| Mashhad UVI | 4 | 5 | 8 | 10 | 12 | 12 | 12 | 11 | 10 | 7 | 4 | 3 |
| Tehran UVI | 4 | 6 | 8 | 9 | 13 | 12 | 11 | 10 | 10 | 7 | 5 | 3 |
| Tabriz UVI | 4 | 5 | 9 | 10 | 12 | 12 | 12 | 11 | 9 | 7 | 4 | 3 |
| Zanjan | 5 | 6 | 9 | 10 | 13 | 12 | 12 | 11 | 10 | 7 | 5 | 4 |
| Isfahan UVI | 5 | 7 | 10 | 10 | 13 | 13 | 12 | 11 | 10 | 9 | 6 | 4 |