The Michigan Department of Environment, Great Lakes, and Energy issued southeast Michigan's sixth air quality advisory of the season on Saturday due to elevated levels of fine particulate matter in the air from Canadian wildfires.

Visitors and staff at two national parks in the U.S. West have been evacuted because of wildfires. Officials at Black Canyon of the Gunnison National Park in Colorado say the park closed Thursday morning after lightning sparked blazes on both rims.

Engine 3411 is responding to a fire on the north rim of the Black Canyon of the Gunnison. The Colorado State Patrol has been called to assist in the evacuation of the campgrounds at the Black Canyon of the Gunnison National Forest area. Two active fires are burning, one near the… pic.twitter.com/Xdpg4jBFld

The amount of land burned this year is on pace to be the most since 1994, as 100 blazes roared on Friday across the central Canadian province.

The day after the Wolf Fire started, on June 30, the Juniper Fire burned 756 acres southeast of Lake Matthews, also in Riverside County. The Mandalay Fire burned just over 83 acres near residential developments in Jurupa Valley, and the Lake Fire burned 489 acres near popular Silverwood Lake in San Bernardino County.

New mapping shows the Green Mountain Fire, burning six miles south of Ovando, has scorched 18 acres, but officials say it's now 15% contained.Crews finished bu

Researchers at the University of Colorado Boulder found that wildfires in Colorado and throughout the western United States can dramatically alter the water quality of rivers and streams up to

A haze visible in parts of the Sacramento Valley is from multiple wildfires burning in Northern California. A north wind is pushing the smoke to the valley, and a high-pressure system is locking it in with little wind.