Millions of people were told to monitor themselves for the symptoms at least through Monday night, but possibly longer.

Canadian wildfire smoke has affected Wisconsin all week, prompting multiple air quality alert extensions from the DNR.

The Canadian wildfires are impacting the air quality in Erie, which is in the orange level. Here's what you should know ...

Smoke from Canadian wildfires will move into the region Monday, Aug. 4, causing unhealthy air for sensitive groups.

Syracuse, N.Y. -- An air quality alert is in effect in Upstate New York for the third day in a row as smoke from wildfires in ...

Winds were pushing smoke toward Seattle — similar to an earlier wave over the weekend. This round of smoke will likely stick ...

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

Smoke from Canadian wildfires is affecting Greater Akron. The hazy conditions are worsening the air quality in northern Ohio.

The "unhealthy" air, which ranks as level four of six on the Air Quality Index, comes after multiple consecutive days of air quality alerts.

Canadian wildfire smoke is drifiting across Michigan. As of July 31, the entire state is under an advisory for unhealthy air.

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