CHICAGO (WLS) -- An air quality alert has been extended for part of the Chicago area through Thursday. The alert for McHenry, Lake, Kane, DuPage, Kendall, Grundy, Cook and Will counties in Illinois ...

Concern for poor air quality in the greater Chicago Metropolitan Area remains as the Illinois EPA extended its air quality ...

Smoke from ongoing wildfires across Canada continued to drift into parts of the United States on Wednesday, causing hazy ...

Rep. Calvin Callahan joined lawmakers from Iowa, Minnesota and North Dakota in filing a formal complaint against Canada over ...

GREEN BAY, Wis. (WBAY) - Now that the air quality in our area is starting to improve, it may be time to check your air filters at home and in your vehicle, which have been working harder during these ...

A number of states in the United States have declared air quality warnings with concerning levels noted across many of the ...

Wildfire smoke is wrecking air quality in places across the U.S. amid a one-two punch of fires in the West and in Canada, which has sent smoke pouring across large sections of the country ...

You may notice a slight haze in the sky on Wednesday across the D.C. area as smoke from Canadian wildfires brushes the region's edge.

Smoke from Canadian wildfires continues to linger over New Hampshire on Wednesday, though it is slowly dissipating day by day. Still, though, the smoke is affecting the air quality in the state.

Particularly north and west of the Lehigh Valley, anyone who might be especially vulnerable to the effects of air pollution ...

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 ...

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