Samuel Roberts, 65, and Mark Elson, 51, said they were not prepared to be lost along the shore of Great Slave Lake when they headed out for a short fishing trip. But it became smoky and foggy, and the men became disoriented. The following day, when the air cleared, Roberts said they couldn't recognize anything. "We had no idea that we crossed over the Dettah side and [were] headed to the East Arm," said Elson.

An explosive eruption Friday at Shishaldin Volcano on the Aleutian Chain raised renewed unrest, resulting in a higher level of warning status by the Alaska Volcano Observatory.

Canadian fire crews on Thursday battled to prevent wildfires from reaching the northern city of Yellowknife, where all 20,000 residents are leaving by car and plane after an evacuation order was declared.

More than 271 structures have been impacted by the Lahaina fire, the U.S. Civil Air Patrol and Maui Fire Department reported after flyovers of Lahaina town on Wednesday..

Behchokǫ̀, a community of about 2,000 people northwest of Yellowknife, issued an evacuation order shortly before 6 p.m Monday evening. A wildfire is burning about 25 kilometres to the east of the Behchokǫ̀, and 45 kilometres northwest of Yellowknife. 

The smoke is from numerous wildfires burning in Canada’s Yukon Territory.

Wildfires are still burning in Quebec's northern zone, with 11 fires still considered out of control early Tuesday morning. However, the provincial forest fire prevention agency, SOPFEU, said rain since Sunday and rising humidity have helped stabilize the flames for the time being.

Grieving parents who lost their nine-year-old boy last week say their son died after a severe asthma attack made worse by wildfire smoke engulfing parts of British Columbia.

Air quality in parts of Trinidad are being impacted by Sahara Dust and causing respiratory symptoms for residents.

At last measurement, the fire had burned about 14,000 hectares and remains within 10 kilometres of Tulita, but is on the far side of the Mackenzie River.

Smoke from Canadian wildfires will make breathing outdoors difficult today for millions of people across the six largest provinces and into the United States.

A fog-like mist in northern Iceland may be connected to forest fires in Canada, with meteorologists suspecting that diluted smoke from the fires has reached the country due to prevailing winds blowing from west to east.

From thick smoke to a complete evacuation, several Cree communities in northern Quebec are dealing with impacts of the wildfires raging in the region. "The fire is moving aggressively, and it's still moving quickly, headed towards Oujé-Bougoumou. This has created a lot of fear and anxiety in the community.

Air quality in Calgary remains poor as wildfire smoke blankets the city. The situation is expected to last through the long weekend.

Officials say a wildfire in Southwest Washington that ballooned Sunday, causing regional air quality issues, may have been started by a firework or firearm.

The Kostanai Region declared a state of emergency on Sept. 4 after forest fires burned a record 43,000 hectares (the size of Сarribean Barbados island) and forced an evacuation of 1,841 people. 

The fires affecting Moscow are concentrated in the Ryazan region, some 250 kilometers to the south. This is not the first time smog has appeared in Moscow in recent months, with local authorities advising residents to wear masks to protect themselves earlier this month.

Suspended particulates' concentration in the capital area was high today due to a sandstorm on the desert sands of South Iceland, the city of Reykjavik warned at noon.

Anchorage saw temperatures spike above 60 degrees every day in June for the first time in recorded history. The city also experienced near record low precipitation: Only 1/10 of an inch of rain fell the entire month.

“It’s been hot, it’s been dry, and it’s been windy. And those winds gusts of 20 miles per hour, it’s kind of funneled through the Andreafsky River drainage,” said Beth Ipsen. Federal entities sent in more firefighters this week, and some residents are thinking about preparing their go-bags.