Forecasters say weak winds have left Canadian wildfire smoke to linger over the U.S. Stronger winds are expected to bring ...

Smoke from Canadian wildfires continues to affect air quality across the Midwest, though Monday’s conditions were an ...

PM2.5 — is expected to push the Air Quality Index over 100, reaching levels unhealthy for sensitive groups, including ...

An air quality alert went into effect for the metropolitan area went out Monday at midnight and continues until midnight ...

Tuesday night is when the high pressure system shifts to the east, the NWS says. This should allow south winds to return, ...

Smoke from Canadian wildfires has sent a blanket of smoke over the midwestern United States this weekend. The National ...

Air quality alerts from Canadian wildfire smoke spread to the Northeast on Sunday, stretching as far as northern Maine. It ...

Wildfire smoke from Canada is blanketing the skies in the Midwest, leaving millions with dangerous breathing conditions.

Wildfires continued to rage across Canada on Friday, with nearly three dozen new blazes, bringing the total number of active ...

Heavy smoke from Canadian wildfires continues to affect air quality in western Massachusetts, posing health risks to ...

The elevated levels of fine particulate matter resulting from wildfire smoke could present significant health risks.

Smoke from widespread wildfires in Canada prompted air quality alerts across several Midwest and Northeast U.S. states this ...