Much of US under ominous, hazy sky as smoke spreads from Western wildfires

A large part of the U.S., including the Northeast, are under an ominous, hazy sky on Tuesday as smoke spreads from the massive wildfires in the West.

Much of the United States is under an ominous, hazy sky on Tuesday as smoke spreads from the massive wildfires in the West. At least 40 million Americans are experiencing poor air quality. The hazy skies have even reached New York City. These New York City photos show the difference between Tuesday and a typical sunny day.