Time to skin damage for different UV Index categories. ‘Tis the season! Trips to the pool, lake, and the beach are always fun ways to beat the heat, but can also result in skin damage if not properly ...

PHILADELPHIA (WPVI) -- With smoke blowing into the Philadelphia region from the wildfires in Canada, you may have heard a lot about the Air Quality Index or AQI. But what it is, exactly? The Air ...

AUSTIN (KXAN) – With blistering heat this summer, you’ve likely heard a few people say “it’s not the head, it’s the humidity.” Turns out both things are true: it’s called the Heat Index. The heat ...

AUSTIN, Texas — Springtime is short in the South, while summer is long, hot and seemingly never-ending. Transitioning into spring, you'll hear many folks talk about the UV index as the days start to ...

LOUISVILLE, Ky. — It’s that time of the year again when heat and humidity cause sweltering temperatures across Kentucky and southern Indiana. You’ve likely heard about the heat index mentioned once or ...

A heat wave that has already killed several people across Texas and Mexico is headed further north, bringing temperatures exceeding 110 degrees. With the heat index, which is how hot it feels to the ...

The National Weather Service has issued Heat Advisories and Extreme Heat Watches throughout many parts of Illinois this weekend, warning of dangerously hot conditions and heat indexes over 100. Going ...

The index rates how clean or polluted the air is each day. The EPA uses this measure to keep tabs on five kinds of air pollutants. The main concern from the wildfire smoke is fine particle pollution, ...