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

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 Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast.

SMOKY SKIES AHEADCanadian wildfire smoke will stay thick across the region today. It will lead to a very filtered, subdued sky today. Without that smoke, we’d be talking pure sunshine!Plan on highs in ...

Smoke from hundreds of wildfires in Canada is drifting south, prompting an air quality alert in Ohio, according to a news ...

Massachusetts could see hazy skies throughout the day Monday as wildfire smoke from Canada drifts into the Bay State. The ...

The smoke is expected to remain over the northern and central Plains of the United States for the next couple of days, ...

WHP CBS 21 Harrisburg provides local news, weather, sports, community events and items of interest for Harrisburg Lancaster ...

An Air Quality Alert has been issued for much of Western and Central New York on Sunday. Here’s what’s causing it.

The Wisconsin Department of Natural Resources re-extended its air quality alert statewide as wildfire smoke lingers.

Smoke from Canadian wildfires will contribute to poor air quality throughout Michigan on Wednesday and Thursday.