As Canada grapples with one of its worst wildfire seasons on record, smoke from the blazes have prompted air quality alerts across the U.S.

Air quality alerts are in effect on Tuesday in 10 states as toxic smoke from hundreds of wildfires burning in Canada continues to waft into the United States, creating hazy, gray skies over major ...

Canadian wildfires burning across northern Manitoba and Saskatchewan are sending smoke through central Canada, the Great ...

Breathing in polluted air for extended periods of time can pose a serious health risk for people, especially for vulnerable ...

Smoke from wildfires in Canada continue to impact air quality in the northern United States, even in the New York City metro area and Hudson Valley.

Air quality has taken a serious hit across the United States as a two-fold blow of wildfires in the West and in Canada have ...

Smoke from hundreds of wildfires in Canada is lingering over the northern U.S., spreading across to roughly a dozen states ...

If you’ve looked outside and noticed a cloud of haze in the air, you’re likely witnessing the impact of the wildfires burning ...

Health officials from Minnesota to Maine have issued alerts warning of poor air quality from wildfires burning in Canada.

Smoke and grit from hundreds of forest fires have spread across large parts of Canada and the northern US, sending air quality to unhealthy levels. Air quality has deteriorated in areas including ...

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 worst air quality in recent years occurred in June 2023, when the smoke became so thick it created an orange haze over ...