In Grand Rapids, the Air Quality Index, which measures particle pollution in the air, was over 100 AQI six of the last seven ...

Meteorologist Jill Gilardi kept an eye on air quality on Wednesday while looked ahead to a potential heat wave next week.

Meteorologist Mike Slifer previews the forecast, which includes an expected rise in temperatures early next week. An Air ...

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

Smoke from hundreds of wildfires in Canada is lingering over the northern U.S., spreading across to roughly a dozen states ...

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

The smoke floating over the border shared between America and Canada is now impacting air quality in states as far south as ...

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

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

The summer months bring conditions ripe for wildfires and with several burning across the western United States, smoke has ...

Southern Vermont & Upper Valley: As a bulk of the local wildfire smoke shifts south, it’s southern Vermont/New Hampshire and the Upper Valley that will see the poorest of air quality. Air Quality ...

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