At least twelve states have issued air quality alerts and advisories due to the ongoing Canadian wildfires sending smoke down ...

Due to smoke from wildfires, several U.S. cities had an AQI over 100 on Aug. 5, which means the air is unhealthy for sensitive groups of people with respiratory and other health issues.

Air quality alerts are in effect on Tuesday in 10 states as toxic smoke from hundreds of wildfires burning in Canada ...

It has been a smoky summer across Mid-Michigan, with hazy horizons becoming the norm. For about a week, Michigan has been ...

Midwest and Northeast regions in the U.S. are seeing poor air quality from Canadian wildfires. See the map showing where the ...

Wildfire smoke from Canada has traveled to West Michigan, leaving a smoky haze. Here's how to track it where you live: ...

Millions in the U.S. face health threats as Canadian wildfire smoke causes air quality to plummet and triggers official advisories.

A statewide air quality advisory remains in place for Aug. 5. Officials say wildfire smoke may dissipate by mid-week. Check ...

The thick plumes of smoke in Canada are being driven southward into the U.S. by northerly winds on the backside of an area of high pressure.

The air quality in several U.S. states is taking a hit as smoke floats over the border from the Canadian wildfires. Here's ...

The air quality index on Tuesday across the Midwest and the Northeast ranged from "moderate" to "unhealthy" for sensitive adults. Some areas in northern Wisconsin, eastern Pennsylvania, northern ...

Air quality alerts spanned at least 13 U.S. states on Tuesday, with sensitive groups urged to limit outdoor activity to avoid ...