9NEWS Weather

The smoke is coming from a sudden collection of intense wildfires.

Why the air quality is so bad and skies are gray for millions of Americans Why is the air quality so bad for so many states? Here's why millions may be seeing smoke-filled skies and an orange haze this week. (Photo: AP)

Tubers and swimmers filled Clear Creek, making the most of a hot July afternoon despite the cold current and the work it takes to navigate the water.

Denver heat sends crowds to Clear Creek for a cool escape