As record wildfires erupt across Canada this year, with health-threatening smoke drifting into the U.S. and as far away as ...

Unhealthy air has invaded Minnesota, Wisconsin and North Dakota early this week as a new round of wildfire smoke from Canada ...

The Bay Area Air District extended an air quality advisory through Monday because of smoke from wildfires burning in the ...

For the second day in a row, smoke is causing or is expected to cause poor air quality and reduced visibility in the North ...

The Bay Area Air District extended an air quality advisory Saturday for the Bay Area through Monday because of smoke from wildfires burning in the northern Sacramento Valley. Firefighters from the ...

The U.S. Forest Service reported a firefighter was injured on Sunday while assigned to the Green Fire in the Shasta-Trinity ...

The Green Fire will now also be fought by two Super Scooper planes as the blaze grows to more than 10,000 acres.

Friday morning in Durango, I checked the Air Quality Index out of habit – only to find it at 108. That’s “unhealthy for sensitive groups,” according to EPA standards. But the truth is, at that level, ...

An air quality advisory will remain in effect for the Bay Area through at least Monday, as smoke from wildfires burning in ...

The Bay Area Air District extended an air quality advisory Saturday for the Bay Area through Monday because of smoke from wildfires burning in the northern Sacramento Valley.

A haze visible in parts of the Sacramento Valley on Thursday is from multiple wildfires burning in Northern California. A ...

Six Republican Congress members callously urged Canada to take “proper action” to mitigate smoke wafting into the U.S.