Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Heliopolis, Algeria, where the sun's rays can be particularly intense. With a Mediterranean climate (Csa), Heliopolis enjoys abundant sunshine, but this also means a higher risk of harmful UV exposure. Monitoring UV levels is vital for prevention of sunburn and maintaining overall skin health, especially during peak hours when the index reaches a staggering 11—signifying extreme risk. Stay informed and protect yourself to enjoy the sunny days in Heliopolis safely!
At 07:00, the UV Index starts at a gentle 1, perfect for a leisurely morning stroll. As the sun climbs, it reaches 3 by 08:00, signaling a slight increase in UV intensity. By 09:00, the index escalates to 5, becoming more noticeable. The real peak occurs between 12:00 and 13:00, where it spikes to a striking 11, indicating a high level of UV exposure—time to lather on that sunscreen! As the afternoon progresses, the UV Index gradually declines, dipping to 9 at 14:00, followed by 7 at 15:00. By 16:00, it settles at 4, and as the day winds down, it drops to 2 by 17:00 before returning to a low 1 at 18:00 and 19:00. Be sure to stay protected during the peak hours to enjoy the beautiful day safely!
| 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 | 7 | high | 25 min |
| 11:00 | 9 | 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 index levels fluctuate significantly, affecting sun exposure risks for residents and visitors. From January to February, the UV Index remains moderate (3-5) with a safe burn time of 30 minutes. However, as spring approaches, March sees a rise to a high index of 7, with a reduced burn time of 25 minutes. The summer months are marked by extreme UV exposure: June and July register the highest at 11, indicating a mere 10 minutes before skin damage can occur. Notably, April and May also feature very high levels, necessitating protective measures. The fall months show a gradual decrease in UV intensity, with September at 8 and October at 7, allowing for 15 to 25 minutes of burn time. Visitors and residents should take precautions during high-risk months from March to September, particularly in June and July, by wearing protective clothing, applying sunscreen, and limiting sun exposure during peak hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Algiers UVI | 3 | 5 | 7 | 8 | 9 | 11 | 10 | 9 | 8 | 6 | 4 | 3 |
| Boumerdas UVI | 3 | 5 | 7 | 8 | 10 | 11 | 11 | 9 | 8 | 6 | 4 | 3 |
| Heliopolis | 3 | 5 | 7 | 9 | 10 | 11 | 11 | 10 | 8 | 7 | 5 | 3 |
| Constantine UVI | 3 | 5 | 7 | 9 | 10 | 11 | 11 | 10 | 8 | 7 | 5 | 3 |
| Oran UVI | 3 | 5 | 7 | 9 | 10 | 11 | 11 | 10 | 8 | 7 | 5 | 3 |
| Tebessa UVI | 4 | 5 | 8 | 9 | 10 | 12 | 11 | 10 | 9 | 7 | 5 | 4 |