Dangerous wildfire smoke blankets 19 states, triggers air quality alerts for millions

Wildfire smoke fouls air across Northeast

Chicago air quality expected to drop again as more wildfire smoke returns, impacting outdoor events

Smoke Detector Beeping After Battery Change? Fix a Smoke Alarm That Keeps Chirping

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

North American wildfire smoke affects flights, air quality

Wildfire smoke covers DC as officials warn of health risks