On Thursday afternoon, a fast-moving wildfire erupted near the 57 Freeway and Timber Canyon in Brea. Now named the Tonner ...

Rick Smith is president of the Canadian Climate Institute ... Here’s what you need to know Wildfire smoke map: Air quality warnings and advisories across the country Municipal and Indigenous ...

The Canadian Forest Fire Weather Index (FWI) System, from Natural Resources Canada, maps out drought and fire danger based on ...

Proposed jobs and grants cuts by the Trump administration could have detrimental impacts in air quality monitoring at the ...

Continued drifting of wildfire smoke from Canada and Alaska has prompted Bay Area air regulators to extend an air quality ...

Alaska’s fire season flared to life this week with numerous major fires sparked by thousands of lightning strikes around the ...

As global temperatures rise, these overlapping events are turning local air pollution into transcontinental threats.

Smoke from ongoing Canadian wildfires has continued to suppress irradiance levels across Canada and the Eastern US into June, with impacts stretching as far as Europe, according to analysis using ...

Smoke from Canadian wildfires is being blown into the Chilkat Valley, at times cloaking the area with a haze, and it’s likely ...

The advisory, which is in effect through 2 p.m. Wednesday, warns that smoke levels will fluctuate across the region — ranging from “Good” to “Unhealthy,” depending on location and elevation.

Smoke poured over the Canadian border into eastern Alaska this weekend, bringing poor air quality to communities from Southeast to the Interior. The smoke is from wildfires in Canada including the ...

While burn bans have been lifted across much of northwestern Ontario, provincial authorities warn people to remain cautious ...