A new report released today found that, while globally air pollution levels were somewhat flat, Canada experienced its worst pollution since 1998, with more than half of Canadians breathing air that ...

Heat warnings remain in effect for parts of British Columbia as the province grapples with record-setting temperatures, smoky skies and a growing wildfire risk heading into September.

The special air quality statements that were issued for much of British Columbia this week are expected to remain in place ...

Wildfires are reversing decades of clean air standards in Canada and the U.S., according to new data published Thursday. Researchers at the University of Chicago released their annual Air Quality Life ...

A recent report from the University of Chicago's Air Quality Life Index found that wildfires are worsening air quality in ...

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 ...

SOUTHFIELD, Mich. (WXYZ) — Hundreds of wildfires in Canada are creating unhealthy air quality conditions across the Midwest, including Michigan, where some areas ...

Air quality in America's largest cities has steadily improved thanks to tighter regulations on key sources of particulate pollution. However, increased heat, wildfire smoke and other emerging global ...

Wildfire smoke from Canada has prompted officials to place the Lehigh Valley and surrounding counties under an air quality alert Tuesday. The state Department of Environmental Protection said the ...

At least 738 wildfires are currently burning in Canada, with at least 201 out of control, according to the Canadian Interagency Forest Fire Centre. Hundreds of wildfires still burning in Canada are ...