Deja Vu: Canadian Wildfire Smoke Affects Air Quality In Over A Dozen States

A view of the city as smoke from wildfires in Canada shrouds sky on June 30, 2023, in New York City, United States. Canadian wildfires smoke creating a dangerous haze as the air quality index reaches 160 in New York City. (Selcuk Acar/Anadolu Agency via Getty Images)

Millions of people across the central and eastern United States may experience deja vu when heading outside early this week, as the blue summer sky has once again been transformed by Canadian wildfire smoke.

A satellite image of the United States on Monday morning. Wildfire smoke could be seen from the northern Plains to the Appalachian Mountains. (NOAA/GOES-EAST)