Last updated: May 3, 2025
Understanding the UV Index is crucial for the residents of Lanja, India. With its tropical climate, this vibrant town can experience high ultraviolet (UV) radiation levels, particularly during peak hours. Awareness of UV levels not only helps in preventing sunburn but also plays a vital role in maintaining long-term skin health. On sunny days, residents may encounter UV Index values soaring to 12 around noon, posing significant risks. Staying informed about these fluctuations allows people to take necessary precautions and enjoy the beautiful outdoor environment safely.
As the day unfolds, the UV Index begins its climb, starting at a modest 1 at 07:00. By 08:00, it rises to 3, signaling that sunlight is becoming more potent. But the real intensity hits around 10:00, with the index soaring to 9, peaking at 12 by 12:00. This midday sun delivers the highest UV radiation, reaching its zenith at 11 by 11:00. Afterward, the index begins its descent, dropping to 9 at 14:00, before tapering off to 5 by 15:00, and dwindling to 3 at 16:00. By evening, the UV levels return to 1 at 17:00, and fade to 0 by 19:00, wrapping up a significant day under the sun. Stay protected during those peak hours when UV exposure is at its highest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index experiences significant seasonal variation, peaking during the summer months. From January to March, the UV Index starts at 9 and escalates to 11, indicating very high to extreme exposure levels, with burn times as short as 15 minutes. The extreme peak occurs from March through October when the Index reaches up to 13, resulting in a mere 10-minute burn time on the sunniest days. The highest risk months are April to August, marked by an Index consistently at 12 or 13, necessitating particularly cautious sun protection strategies. As the year transitions back to November and December, the Index lowers to 8, suggesting a return to very high exposure, but with longer burn times of 15 minutes. Visitors and residents are strongly advised to take protective measures during high-index months by wearing sunscreen, protective clothing, and seeking shade, especially between 10 AM and 4 PM when UV radiation is most intense.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Delhi UVI | 5 | 6 | 9 | 10 | 10 | 10 | 12 | 12 | 9 | 8 | 5 | 5 |
| Mumbai UVI | 8 | 9 | 10 | 11 | 11 | 12 | 13 | 13 | 11 | 10 | 7 | 7 |
| Ahmedabad UVI | 7 | 8 | 10 | 12 | 11 | 12 | 13 | 13 | 11 | 10 | 7 | 6 |
| Lanja | 9 | 10 | 11 | 12 | 12 | 13 | 13 | 13 | 12 | 11 | 8 | 8 |
| Hyderabad UVI | 10 | 11 | 12 | 11 | 13 | 13 | 15 | 14 | 13 | 11 | 8 | 8 |
| Bengaluru UVI | 11 | 13 | 13 | 14 | 13 | 14 | 14 | 14 | 14 | 12 | 11 | 10 |