Last updated: May 3, 2025
Understanding the UV Index is crucial for the residents of Qarnabad, Iran, where the climate falls under the BSk category, characterized by hot, dry summers. With UV levels soaring, especially during midday—peaking at 11—it's essential to be aware of the sun's intensity to protect against harmful effects like sunburn and long-term skin damage. By monitoring these daily UV levels, you can take proactive steps to safeguard your skin health and enjoy the outdoors safely, especially during those high-risk hours. Stay informed and embrace the sunshine wisely!
The UV Index throughout the day presents a notable peak between 11:00 AM and 1:00 PM, where it reaches a striking 11, indicating a high risk for harm from unprotected sun exposure. The intensity starts at a lower 2 at 7:00 AM, gradually climbing to 3 by 8:00 AM before skyrocketing to 10 by 11:00 AM. As the midday sun intensifies, it maintains a level of 11 at both 12:00 PM and 1:00 PM, prompting a reminder to seek shade and wear protective gear. The afternoon sees a decline, dipping to 9 at 2:00 PM and gradually tapering off to 4 by 4:00 PM, then further down to 2 at 5:00 PM. As evening approaches, the levels drop to a gentle 1 by 6:00 PM, highlighting the importance of being sun-aware, especially during those peak hours.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV levels show significant seasonal fluctuations that are crucial for both visitors and residents to understand. From January to February, the UV Index remains in the moderate range (4-5) with a burn time of 30 minutes. As spring approaches, March and April see a sharp rise to a very high level (8-9), reducing burn time to just 15 minutes. The peak months for UV exposure are May to July, when the index reaches an extreme level (11), necessitating protective measures in just 10 minutes. In August and September, the levels slightly decline but remain very high (9-10), with a burn time of 15 minutes. As autumn sets in, October drops to a high index of 7, offering a burn time of 25 minutes, before returning to moderate levels in November and December. Visitors and residents are advised to take precautions, especially during the high-risk months from March to August, by wearing sunscreen, protective clothing, and seeking shade during peak sun hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Qarnabad | 4 | 5 | 8 | 9 | 11 | 11 | 11 | 10 | 9 | 7 | 4 | 3 |
| 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 |