The biggest impact smoke has on weather is air temperature. The smoke in the air can reflect incoming sunlight back into ...

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

Smoke from Canadian wildfires again plagued portions of the northern United States on July 16, prompting air quality alerts from Illinois to Maine.

PM2.5 pollution is spiking in many counties in Utah and is accompanied by the typical summer pollutant of ozone. It makes for a nasty mix of pollution.

Canadian wildfire smoke remains in Michigan. On July 16, officials issued an air quality advisory for western counties.

As we head into a sizzling week across Washington, we look at smoke conditions and air quality across the state impacted by ...

Canadian wildfire smoke lingers in Michigan. Officials issued an air quality advisory in southeast Michigan for July 15.

Summer temperatures and smoky skies are anticipated to converge over Greater Victoria midweek, intensifying early Wednesday ...

Additional plumes of smoke from Canada's active wildfires prompt officials to issue a statewide air quality alert on July 14.

Wildfire smoke from Canada has made for bad air quality over parts of the Upper Midwest. Most of Minnesota had “unhealthy” ...

The BC Wildfire website's interactive map showed N60917, the Neff Creek Wildfire, located about five kilometres north of ...

Wildfires continue to burn in Canada, and the smoke is filling communities there and towns across the U.S. border.