Wildfires bringing terrible air quality, hazy skies to much of the Midwest and Northeast

Tornadoes Hit Midwest; Tropical Storm Approaches Gulf Coast

The health risks of wildfire smoke across the Midwest and Mid-Atlantic

Midwest sees world's worst air quality as wildfire smoke spreads

Millions of Americans brace for severe weather as wildfire smoke smothers the Midwest

New severe weather threat takes aim at Midwest and East Coast

Wildfire smoke blankets midwest and northeast

Wildfires expose millions in the Midwest and Northeast US to dangerous smoke

Wildfires expose millions in Midwest, Northeast to dangerous smoke