Alaska fire officials brace for hotter, more intense fire seasons to come.

Parts of Interior and Southcentral Alaska will see poor air quality as a result of wildfires this week, the Alaska Department of Environmental Conservation warned on Tuesday.

A graduate student with the University of Alaska Fairbanks is installing air-quality sensors in rural and remote areas around the state to monitor wildfire smoke and other types of air pollution.

Smoke and soot from central Alaska wildfires have afflicted the subarctic city of Fairbanks with some of the world's worst air pollution in recent days, forcing many residents indoors and prompting one hospital to set up a "clean air shelter."

Smoke from wildfires in Alaska could cause very unhealthy air quality conditions and low visibility over the weekend in Anchorage, the state's largest city, officials said.

A new report identifies climate change as one of the challenges facing transportation in Alaska's most famous national park.

A wildfire is burning in a remote area of northwest Alaska. The Alaska Fire Service reports that the Zane Hills Fire was discovered this week, and mapped at 1,900 acres.