Wildfires in Canada are sending heavy smoke across the northern U.S., and New Jersey is experiencing some unhealthy air ...

Smoke from ongoing wildfires across Canada continued to drift into parts of the United States on Wednesday, causing hazy ...

Wildfires in western Colorado are affecting the air surrounding Loveland, and local health officials are urging residents to take precautions.

Dangerous fire conditions, soaring temperatures and smoky skies across Colorado prompted severe weather alerts for parts of ...