Light is reflected in the window of an office building in Times Square as Manhattan is shrouded in haze and smoke which drifted south from wildfires in Canada, in New York City, New York, U.S., June 7, 2023. REUTERS/Maye-E Wong

A beachfront is seen as a hazy sky from smoke drifting south from wildfires in Canada settles in on Manhasset Bay in Port Washington, New York, U.S., June 6, 2023. REUTERS/Shannon Stapleton

A bird flies at Gantry Plaza State Park as haze and smoke from the Canadian wildfires shroud the Manhattan skyline in the Queens Borough of New York City, U.S., June 7, 2023. REUTERS/Shannon Stapleton

People watch watch the Roosevelt Island Tram cross the East River as haze and smoke from the Canadian wildfires shroud the Manhattan skyline in the Queens Borough of New York City, U.S., June 7, 2023. REUTERS/Shannon Stapleton

People visit the top of the Rockefeller Center, as haze and smoke caused by wildfires in Canada hang over the Manhattan skyline, in New York City, New York, U.S., June 7, 2023. REUTERS/Andrew Kelly

People walk at 6th Avenue as haze and smoke caused by wildfires in Canada blanket New York City, New York, U.S., June 7, 2023. REUTERS/Andrew Kelly

A view from the top of the Rockefeller Center, as haze and smoke caused by wildfires in Canada hang over the Manhattan skyline, in New York City, New York, U.S., June 7, 2023. REUTERS/Andrew Kelly

People look out from the top of the Rockefeller Center, as haze and smoke caused by wildfires in Canada hang over the Manhattan skyline, in New York City, New York, U.S., June 7, 2023. REUTERS/Andrew Kelly

Times Square in Manhattan is shrouded in haze and smoke which drifted south from wildfires in Canada, in New York City, New York, U.S., June 6, 2023. REUTERS/Maye-E Wong

A person walks dogs along the Brooklyn promenade as the Manhattan skyline is shrouded in haze and smoke which drifted south from wildfires in Canada, in New York City, New York, U.S., June 7, 2023. REUTERS/Troy Dunkley

A woman walks with children at Gantry Plaza State Park as haze and smoke from the Canadian wildfires shroud the Manhattan skyline in the Queens Borough of New York City, U.S., June 7, 2023. REUTERS/Shannon Stapleton

A woman takes photos at Gantry Plaza State Park pier as haze and smoke from the Canadian wildfires shroud the Manhattan skyline in the Queens Borough of New York City, U.S., June 7, 2023. REUTERS/Shannon Stapleton

The Empire State Building is seen from the top of the Rockefeller Center, as haze and smoke caused by wildfires in Canada hang over the Manhattan skyline, in New York City, New York, U.S., June 7, 2023. REUTERS/Andrew Kelly

The Statue of Liberty is covered in haze and smoke caused by wildfires in Canada, in New York, U.S., June 6, 2023. REUTERS/Amr Alfiky TPX IMAGES OF THE DAY

Smoke from wildfires in Canada blankets the National Mall in Washington, U.S., June 7, 2023. REUTERS/Leah Millis

A smokey view of sailboats on Lake Ontario is seen from the CN Tower as wildfires in Ontario and Quebec continue to burn, in Toronto, Ontario, Canada June 6, 2023. REUTERS/Carlos Osorio

People take photos at the Lincoln Memorial Reflecting Pool as smoke from wildfires in Canada blankets the National Mall in Washington, U.S., June 7, 2023. REUTERS/Leah Millis

People take photos at the Lincoln Memorial Reflecting Pool as smoke from wildfires in Canada blankets the National Mall in Washington, U.S., June 7, 2023. REUTERS/Leah Millis

The Statue of Liberty is covered in haze and smoke caused by wildfires in Canada, in New York, U.S., June 6, 2023. REUTERS/Amr Alfiky

An airplane approaching LaGuardia Airport flies as haze and smoke from the Canadian wildfires shroud the sky at the Calvary Cemetery in the Queens Borough of New York City, U.S., June 7, 2023. REUTERS/Shannon Stapleton