Wildfire smoke drifting over the Washington, D.C., area is making the skies look hazy and negatively affecting air quality. The air quality index is code yellow, or moderate, in D.C. and surrounding ...

Add Yahoo as a preferred source to see more of our stories on Google. Air quality alerts have been issued from Illinois to New Hampshire as wildfire smoke blankets sky from the Great Lakes across ...

(CNN) — Air quality has taken a serious hit across the United States as a twofold blow of wildfires in the West and in Canada have sent smoke pouring across large sections of the country — a problem ...

A new analysis of air quality data from the past 70 years shows that Canada's record wildfire smoke in 2023 is part of a broader, continent-wide trend toward smokier skies across North America.

Air quality alerts are in effect in the Philadelphia area for a second straight day, fueled by smoke from wildfires that are burning thousands of miles away. Bill Hoffman is battling more than just a ...