From mental health impacts to heightened risk of infections, recent studies underscore the myriad ways in which smoke exposure affects our health.

More than 200 wildfires are blazing across Canada, forcing 27,000 people to evacuate and creating hazardous air quality all over the U.S.

An overcast Monday is in store for Massachusetts residents as wildfire smoke lingers through the chilly temperatures — and there might be rain. Here's what to expect.

Wildfires scorching several Canadian provinces have driven at least 33,400 people from their homes, with smoke now reaching all the way to Europe.

The U.S. Environmental Protection Agency warns that wildfire smoke contains dangerous pollutants in the form of fine particles known as PM 2.5 that can penetrate deep into the lungs and enter the bloodstream. Short-term exposure can lead to bronchitis, worsen asthma and create other health issues.

A haze of Canadian wildfire smoke can be seen over Grand Rapids, Mich. on June 5, 2025. The air quality index was above 151, indicating unhealthy air quality. Health experts say exposure to the smoky air can have short- and long-term health consequences. Joel Bissell | MLive.com

Multiple Philadelphia fire trucks responded to a four-alarm blaze at an apartment building in West Philadelphia early Saturday morning.The building is on the corner of 48th and Locust streets. Residents say it has been abandoned for more than five years.

Recapping some of the most talked-about news this week from the nation and around the world – in case you missed it.