State officials from Maine to New York issued alerts for fine particulate matter, a toxic byproduct of wildfires that is small enough to be inhaled.

As a large swath of Manitoba deals with heavy wildfire smoke polluting the air, others in the province are starting the weekend amidst suffocating heat and humid conditions. Environment and Climate ...

Wildfire smoke from Canada has triggered air quality alerts across New York and the Northeast, with hazy skies and unhealthy ...

Smoke from Canadian wildfires pushed into New England Saturday, bringing hazy skies and unhealthy air quality to some spots, ...

Wildfire smoke descended into the U.S. on Thursday, prompting alerts that asked people to keep an eye out for health symptoms ...

Canadian wildfire smoke will significantly impact air quality across Michigan on Friday, with unhealthy conditions expected ...

A new Google and Muon-backed satellite wildfire detection system promises faster alerts and high-resolution fire imagery. But ...

Considering wildfires, and prevailing winds blowing from Canada, are expected to become more frequent, the impact on crops ...

The Routt County Wildfire Mitigation Council, along with multiple supporting partners, is hosting a community conversation ...

Minnesota experts say Canadian wildfires will lead to more poor air quality days across Minnesota this summer, and into the future as temperatures and drought increase.

New analysis from Environment and Climate Change Canada (ECCC) links recent heat waves across the country to human-caused ...