The southwestern United States is bracing for “extreme” levels of ultraviolet (UV) radiation this Saturday, May 10, 2025.

Solar noon occurs when the sun is at its highest point in the sky at a specific location. At this level, authorities warn ...

Avoid sun exposure from 10 a.m. to 4 p.m. Reapply ... and California—are bracing for "extreme" UV radiation levels later this week, according to the EPA. Seven states—including Texas, Arizona ...

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Lots of sunshine is expected over the weekend and into the start of next week. Everyone loves when the blue sky is out, but many forget to protect their skin from potentially harmful UV radiation.

Albuquerque has recently experienced days where it has had the highest UV index in the country. So, what is the UV index, and ...

To predict the intensity of UV radiation, the UV index takes into account: Important: UV rays can damage anyone, although the risks of sun exposure may differ by skin type. For example ...