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

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.

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

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

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

An air quality alert is in effect for all of Massachusetts today due to smoke from Canadian wildfires, and it could be the ...

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

The smoky air is predicted to reach New York City on Monday, and it could bring unhealthy air quality for sensitive groups.

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

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.