Ukraine’s nuclear energy agency says it has put the last operating reactor at Europe’s largest nuclear power plant into a “cold shutdown.”

Rain over the next five days could help extinguish the wildfires in Canada and reduce smoke along the U.S. East Coast. Meteorologist Chris Warren with The Weather Channel has the forecast.

Smoke from wildfires in Canada that turned parts of the East Coast skyline orange is starting to dissipate and is expected to gradually blow away this weekend.

The fires, which are still burning, brought smoke and hazardous air quality to millions of Americans this week.

Dangerously bad air due to Canadian wildfires is still affecting millions of Americans, and hazy skies and reduced visibility are expected in the central and eastern U.S. over the next few days, says meteorologist Stephanie Abrams with The Weather Channel. The worst air quality Friday is expected in cities including Detroit and Pittsburgh.

Millions of Americans spent a second day Thursday under a veil of smoke from wildfires burning in Canada. The smoke was so thick in New York City Wednesday the air quality blew well past what is considered hazardous. CBS News correspondent Christina Ruffini reports from Arlington, Virginia, where the air is now sweeping through.

Smoke from Canadian wildfires on Thursday affected residents along much of the East Coast, from New York City to Washington, D.C., impacting monuments, stadiums and restaurants. Doctors warned that young children and people with underlying health conditions were at greatest risk. Christina Ruffini has the latest.

A high-end device can cost over $1,000, but there are only a few features you really need, experts say.

A high-end device can cost over $1,000, but there are only a few features you really need, experts say.

Forecasters and heath officials have warned that U.S. air quality may plummet repeatedly in the coming months, as Canada’s wildfire season continues.

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