The sky has been gray and the sun hazy for much of September and October across parts of the state. In the northern Colorado city of Fort Collins, Glen Akins said the smoke has gotten thick and ...

Smoke from Canadian wildfires could contribute to hazy skies and a "dim" sun for several states later this week.

The smoke turned the setting sun into a reddish orb or a lavender haze ... (Steve Russell/Toronto Star via Getty Images) Smoke from the fires has wafted through northeast U.S. states for weeks ...