Last updated: May 3, 2025
Understanding the UV Index in Qa'en, Iran is vital for ensuring the health and safety of its residents and visitors. With a high desert climate (BSk) that typically features intense sunlight, awareness of UV levels can significantly impact sunburn prevention and overall skin health. During peak hours, especially around midday, UV indices can soar to as high as 13, indicating a very high risk of harm from unprotected sun exposure. Recognizing these fluctuating levels empowers the community to take necessary precautions and enjoy the sun safely while safeguarding against its damaging effects.
The UV Index shows a dynamic progression throughout the day, starting from a mild 2 at 07:00 and climbing steadily to a peak of 13 by 12:00. As the sun reaches its zenith, the index reflects the intensity of ultraviolet rays, hitting 12 at 13:00 before gradually declining. By the afternoon, it slips down to 6 at 15:00, then diminishes further to 2 at 17:00 and finally to a mere 0 as twilight descends at 19:00. It's clear that the highest risk for sun exposure occurs midday, making it essential to protect your skin during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index exhibits significant seasonal variation, peaking in the spring and summer months. January starts with a moderate UV Index of 5, allowing for a burn time of 30 minutes, but by February, it escalates to high at 7 for 25 minutes of exposure. The high-risk months are March through September, where the UV Index ranges from 10 to 13, indicating either very high to extreme exposure categories with a critical burn time as short as 10 minutes. Visitors and residents are strongly advised to protect themselves during these months by wearing sunscreen, protective clothing, and sunglasses, as well as seeking shade whenever possible. As winter approaches in October with a drop to 8 (very high), and further cooling into the moderate levels of November (5) and December (4), it remains important to stay sun-safe year-round.
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 |
| Isfahan UVI | 5 | 7 | 10 | 10 | 13 | 13 | 12 | 11 | 10 | 9 | 6 | 4 |
| Qa'en | 5 | 7 | 10 | 11 | 13 | 13 | 13 | 12 | 11 | 8 | 5 | 4 |