There were no air quality alerts across the U.S. early Friday, following a flurry of warnings partly linked to wildfires in ...

An air quality advisory for Long Island is the result of smoke from Canada wildfires, New York State officials say.

Canadian wildfire smoke is triggering air quality alerts across the U.S. Midwest and Northeast on Thursday, as the northern ...

An air quality alert for central and southern Minnesota continues from Wednesday into Thursday until 11 p.m. The Minnesota ...

Forecasters warn that hazy, grayish-blue skies could persist for many weeks as fires continue to burn, though most smoke will ...

The raging fires on Thursday are also expected to degrade air quality in parts of the Great Plains and Midwest. In New York, ...

Toxic air spreads hundreds or even thousands of miles from where wildfires burn. Last week, Chicago felt the sting—and ...

Officials at Cleveland Department of Public Health are keeping an eye on local threats to the region’s air quality, including ...

It's a smoky day in Calgary, and the air quality in the city is bad that spots like Beijing and Mumbai look like they have ...

Clear, sunny skies could be rare this summer, as smoke from Canadian wildfires flows into the Northeast, according to ...

Alberta Wildfire is hopeful that rain and cooler weather in the coming days will help firefighting efforts. Most of the ...

Federal ministers are warning western Canadians to brace for worsening wildfire conditions this summer, as more than 3.7 ...