UV index and sunburn time in India
Peak UV index and how quickly unprotected skin burns, for 8 cities in India.
| City | Peak UV | Category | Month | Burns after |
|---|---|---|---|---|
| Mumbai | 15.0 | Extreme | August | 16 min |
| Delhi | 13.2 | Extreme | July | 18 min |
| Bengaluru | 16.9 | Extreme | August | 14 min |
| Hyderabad | 15.8 | Extreme | August | 15 min |
| Ahmedabad | 14.2 | Extreme | July | 16 min |
| Chennai | 15.9 | Extreme | August | 15 min |
| Kolkata | 14.2 | Extreme | July | 16 min |
| Surat | 14.6 | Extreme | August | 16 min |
The same UV also drives vitamin D synthesis — and stops entirely for part of the year at higher latitudes. Vitamin D winters in India →
Burn times are for skin type III with no sunscreen. How these are calculated