An airplane flies over New York, the United States, on June 7, 2023. Central and eastern areas of New York state will come under an air quality health advisory on Wednesday as air quality worsens amid wildfires in Canada, according to the New York state government.(Photo: Xinhua)
The U.S. Capitol building is shrouded in haze, as smoke from wildfires in Canada brings unhealthy air quality to the East Coast, in Washington, D.C., the United States, on June 7, 2023.(Photo: Xinhua)
The U.S. Capitol building, the Washington Monument and the Lincoln Memorial are shrouded in haze, as smoke from wildfires in Canada brings unhealthy air quality to the East Coast, in Washington, D.C., the United States, on June 7, 2023.(Photo: Xinhua)
The Lincoln Memorial is shrouded in haze, as smoke from wildfires in Canada brings unhealthy air quality to the East Coast, in Washington, D.C., the United States, on June 7, 2023(Photo: Xinhua)