It took only one day for the smoke from the Nova Scotia fire, which started on Sunday, to travel to Boston roughly 500 kilometers away, according to Hiren Jethva, a senior research scientist at Morgan State University affiliated with NASA’s Goddard Space Flight Center.
Smoke particles can be blown across vast distances, according to Francesca Dominici, a professor of Biostatistics, Population and Data Science at Harvard’s school of public health.
“The wildfire smoke can travel from the West Coast to the East Coast. And now we’re seeing also wildfire smoke coming from Canada back to the U.S., too,” she said…..