Northeastern U.S. landscape looks like Mars...with smoke from Canadian wildfires

Smoke from wildfires in Canada has drifted to cities in the northeastern United States.

Several smoke-covered states have issued air pollution warnings.

Here are some photos to show how serious air pollution is in New York, Washington, DC, and other cities.

Smoke from wildfires in eastern Canada has moved southward, transforming vast areas of the northeastern United States into a red, hazy, Mars-like landscape.

The U.S. government has issued an air pollution warning for the Midwest and Northeast, urging people to stay indoors until the smoke clears. In New York City, the smell of burning wood can also be strongly felt.

Photos taken in New York City, Washington, DC, and other areas of the northeastern United States show how the smoke is threatening daily life.

In New York City, the Statue of Liberty was covered in smoke as commuter ferries came and went

On the Hudson River in New York City, the sun's rays reflected off the water through the smoke, giving it an orange glow

The lights of Yankee Stadium seemed to blend into the haze

The New York City skyline was barely visible from Jersey City, New Jersey on the morning of June 7

Even from Guttenberg, New Jersey, the Manhattan skyline was virtually invisible

Belmont Park on Long Island, New York, was illuminated by the feeble light from the murky sun. The park is scheduled to host the Belmont Stakes horse racing meet on June 10

In Washington, D.C., tourists were still visiting the Washington Monument despite the conditions

The U.S. Capitol was almost completely obscured by haze

In Toronto, Canada, smoke continued to pour in as the week wore on and the sun shone a deep red.