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 ...

It’s a familiar summer sight by now, and sometimes a familiar smell. The Pennsylvania Department of Environmental Protection ...

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

An air quality alert is in effect for all of Massachusetts as smoke from Canadian wildfires descends into the Boston area.

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

Smoke from numerous Canadian wildfires is again impacting the Philadelphia region this week, with environmental authorities ...

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 ...