Siena Todays UVINDEX Hourly Forecast
1-2
Wear sunglasses on bright days,use sunscreen in areas which reflects UV radiation.
Low
3-5
Try to take precautions.Stay in shade near midday when the sun is strongest.
Moderate
6-7
Try to reduce time in the sun within three hours of noon, and wear sunglasses.
High Risk
8-10
Do not stay in the sun for long,wear sunglasses.Protect yourself from sunburn.
Very High Risk
11+
Avoid the sun within three hours of solar noon.Protect yourself from sunburn.
Extreme Risk