As Canada grapples with one of its worst wildfire seasons on record, smoke from the blazes have prompted air quality alerts ...

Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast.  Air ...

Air quality alerts are in place for portions of 10 states from Minnesota to Delaware as officials warn the smoke may become ...

The smoke drifting across the border contains fine particulates, pollution so small that it’s basically invisible to the ...

Canadian wildfire smoke continues to cause hazy skies and air quality alerts in New Hampshire. The air quality alert, extended through Tuesday night, particularly affects sensitive individuals. Air ...

Air quality alerts are in effect on Tuesday in 10 states as toxic smoke from hundreds of wildfires burning in Canada ...

Wildfire smoke is back again in much of Wisconsin this morning. Air quality has fallen to the unhealthy for sensitive groups ...

The National Weather Service is warning valley communities in San Bernardino and Riverside counties that temperatures are ...