Wildfire smoke from the Prairies prompted special air quality statements and warnings across the country Saturday.

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

Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast. Air ...

The air quality warning for the Greater Toronto Area has been lifted after being in place over the long weekend, Environment ...

Canadian wildfires are the cause of an air quality alert that’s in effect for the tri-state area, according to health ...

Smoke from Canadian wildfires prompted a special air‑quality statement for Toronto and warnings nationwide, urging residents to limit outdoor time amid poor air and hazy skies.

Degraded and/or unsafe air quality levels will continue across parts of Canada Monday as wildfire smoke lingers. However, the ...

Step outside and you'll probably smell it—smoke has been a major issue across much of Eastern Canada this weekend. Montreal ...

Toronto’s air quality index was at eight, or “high risk,” this morning. Environment Canada says reduced air quality can cause ...

The remaining 10 states affected by medium to heavy smoke from the wildfires are Colorado, New York, New Jersey, Connecticut, Pennsylvania, Vermont, Massachusetts, Indiana, New Hampshire, and ...

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

WINNIPEG — The CFL and Winnipeg Blue Bombers say they're monitoring air quality ahead of Friday's scheduled game against the ...