“Air quality and visibility due to wildfire smoke can fluctuate over short distances and can vary considerably from hour to ...

Air quality levels and a distinct smoky smell filled the skies over much of the province through the day Thursday. While ...

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

Every air quality monitor in Minnesota is reporting red or unhealthy conditions for everyone, an official said.

An air quality statement is in effect for Toronto and the surrounding region as wildfire smoke continues to drift south, ...

Environment Canada has issued a Special Air Quality Statement for Toronto, warning that drifting wildfire smoke is expected ...

A Greenwood and Danforth measuring station reported the city’s worst air quality Saturday evening. Smoky skies are likely ...

Environment Canada says smoke from forest fires can cause reduced air quality and visibility that can fluctuate throughout ...

Wildfire smoke from the Prairies has prompted a special air-quality statement over much of northern Ontario Saturday.

Canadian wildfire smoke made the air quality "unhealthy" in northern Maine and "unhealthy for sensitive groups" in western ...

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