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

Officials warned young children and those with respiratory illnesses to take precautions. For weeks, smoke from Canadian ...

The Monroe Canyon Fire burning in Sevier County continues to grow, with Monday bringing the "hottest temperatures so far" and ...

As wildfire smoke becomes a frequent summer hazard across large parts of the US, knowing the risk at the neighborhood scale ...

Summer smoke from Canadian wildfires is once again hazing out Minnesota skies — just in time for your long-awaited Northwoods ...

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 ...

A smoky haze wafted over parts of western Colorado on Thursday from wildfires burning in and around the state. The smoke is ...

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

BISMARCK, N.D. (AP) — Much of the Upper Midwest on Saturday was dealing with swaths of unhealthy air because of drifting smoke from Canadian wildfires ... on a U.S. Environmental Protection Agency map ...

A smoke map from NOAA shows Colorado will be almost entirely covered with smoke on Thursday as wildfires burn thousands of acres on the Western Slope.

ANTIOCH — A 10-acre fire that broke out in Antioch on Tuesday afternoon prompted a public health advisory for smoke, authorities said.

Much of the Upper Midwest on Saturday was dealing with swaths of unhealthy air due to drifting smoke from Canadian wildfires.