UVA Index todayBelfast, Northern Ireland
Monday, 2 November 2026
Updated 18:03, Belfast time. Next update 20:00.
Wear sunscreen because UVA is Moderate today.
UVA skin ageing risk from 09:29 to 14:51.
UVB sunburn risk low all day.
Through the day
What the numbers mean
| Extreme | 11+ | Wear sunscreen | |
|---|---|---|---|
| Very high | 8 to 10 | Wear sunscreen | |
| High | 6 to 7 | Wear sunscreen | |
| Moderate | 3 to 5 | Wear sunscreen | |
| Low | 0 to 2 |
What the UVA index isWhat the UV Index isIs Moderate UVA the same as a Moderate UV Index?
About the two indexes
The UV Index measures the part of sunlight that burns. It does not measure UVA.
UVA is present for longer in the day, and through the winter, than the UV Index suggests. Solarpunk works it out from the forecast and shows it on the UV Index's own numbers, so one key serves both.
Open-Meteo, Copernicus & NASA. Where the numbers come from. Sunrise 07:28, sunset 16:48.
The UV Index doesn't measure UVA.
It measures the sunlight that burns, mostly UVB. We created an app that shows both, so you know when to wear sunscreen.
Free for iPhone, worldwide. Android coming soon.