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

Canadian wildfire smoke brought numerous air quality alerts to the Northeast on Aug. 4, including in multiple North Jersey ...

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

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

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

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

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

There is an air quality alert for all of Southeast Michigan until midnight Saturday, the Michigan Department of Environment, ...

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

The Pennsylvania Department of Environmental Protection issued an air quality alert Tuesday for areas including Centre County ...

Smoke from wildfires burning in Canada is still lingering high above New Hampshire skies, raising concerns about air quality. An air quality alert will be in effect for all of New Hampshire on Tuesday ...

New Yorkers are under an air quality health advisory Monday, Aug. 4, as wildfire smoke and ozone pollution push levels into ...