Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Nagar, India, where the combination of a Dwb climate and high sun exposure can pose significant risks to skin health. With UV levels reaching a staggering 16 at noon, awareness of these fluctuating numbers is essential for effective sunburn prevention and maintaining overall skin safety. As the sun's intensity increases throughout the day, especially between 10 AM and 2 PM, knowing when to seek shade or wear protective gear can help safeguard against harmful UV rays and related health issues. Stay informed, stay protected, and enjoy the vibrant outdoors without compromising your skin's health!
As the day dawns, the UV Index begins its ascent, starting at a modest 3 by 7:00 AM. By 8:00 AM, it reaches 5, and things heat up significantly as the clock strikes 9:00 AM, soaring to 9. The peak intensity hits at 12:00 PM with a blazing 16, marking the sun’s zenith and reminding us to seek shade. In the following hours, the index gradually descends, slipping to 14 by 1:00 PM and then declining further to 11 at 2:00 PM. As afternoon fades into evening, the UV Index continues to drop, landing at 4 by 4:00 PM and tapering off to a gentle 1 by 6:00 PM, ultimately settling at a safe 0 by 7:00 PM. This data highlights the importance of sun safety during the peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 3 | moderate | 30 min |
| 08:00 | 5 | moderate | 30 min |
| 09:00 | 9 | very high | 15 min |
| 10:00 | 12 | extreme | 10 min |
| 11:00 | 15 | extreme | 10 min |
| 12:00 | 16 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 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 | 0 | low | 45 min |
Throughout the year, the UV Index demonstrates significant seasonal changes, particularly peaking in the spring and summer months. March to October are identified as high-risk months, with the UV Index reaching extreme levels of 16 to 17 from March to August, resulting in a burn time of only 10 minutes. January and February have a very high risk, with a UV Index of 8 to 9 and slightly longer burn times of 15 minutes. As the year ends, November sees a return to very high levels while December drops to a high index of 6, allowing for a burn time of 25 minutes. Visitors and residents should take precautionary measures during these high-risk months by wearing protective clothing and using sunscreen to mitigate the risk of UV exposure. Remember, even on cloudy days, UV rays can cause harm, so it's essential to stay vigilant all year round.
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 |
| 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 |
| Nagar | 8 | 9 | 16 | 16 | 17 | 16 | 16 | 15 | 14 | 11 | 8 | 6 |