Hundreds of people from a First Nation in Saskatchewan fleeing raging wildfires have sought refuge in Alberta, as cities in ...

Canada is facing another dangerous wildfire season, with burning forests sending smoke plumes across the provinces and into ...

MISSOULA, Mont. — At the Missoula Fire Sciences Laboratory, the Fire Modeling Institute pools data from over 30,000 communities across the country to calculate wildfire risk.

The Canadian government’s map of wildfire smoke fine particulate matter models wildfire smoke for July 16-18, 2025. It shows smoke will intensify over the Prairies and Northwest Territories ...

The Madre fire surpassed 35,000 burned acres on Thursday, marking the biggest blaze in California this year.

But when smoke plumes are close to the surface, people are breathing in wildfire chemicals and tiny particles. Those particles, known as PM2.5, can get deep into the lungs and exacerbate asthma and ...

Multiple U.S. states and Canadian provinces are experiencing poor air quality from wildfire smoke. Here's where.

Update: A more recent report about the Green Fire puts its area at more than 14,000 acres. Amid hot, dry weather in Northern California, a lightning-sparked fire near Shasta Lake has grown to ...

Minnesota experts say Canadian wildfires will lead to more poor air quality days across Minnesota this summer, and into the future as temperatures and drought increase.

Update: A more recent report about the Butler Fire puts its area at more than 11,000 acres. The wildfire evacuation zone for the Orleans Complex was expanded Tuesday to include the community of ...

California's Madre Fire sparked in the late evening of July 3 but has since grown to the largest in the state this year by the Fourth.