US East Coast blanketed in veil of smoke from Canadian fires

New York's air quality reaches “hazardous” level, by far the worst

Maps: Tracking Air Quality and Smoke From Canada and U.S.

Wildfire Smoke: Smoke From Canadian Fires Blankets Great Lakes

More than a third of the US population, from the Midwest to the

Wildfire Smoke Envelops the U.S. - The New York Times

Wildfire Smoke Envelops the U.S. - The New York Times