Wildfire smoke clouds sky, hurts air quality on East Coast
More than 100 wildfires cause hazy skies in the Northeast due to cloud of smoke
Wildfire smoke clouds sky, hurts air quality on East Coast
Western wildfire smoke reaches East Coast, hurts air quality
UPDATE: Smoky Skies Throughout the Region; Air Quality and Fire Updates
Smoke From the Western Wildfires Has Reached the East Coast
Wildfire Smoke: Skies Darken as Air Alerts Are Issued Across Northern U.S. - The New York Times
Wildfire smoke clouds sky, hurts air quality on East Coast
Massive smoke clouds from wildfires darken West Coast sky
Wildfire smoke blowing across the U.S. is more toxic than we thought
Wildfire smoke clouds sky, hurts air quality on East Coast