Which city’s air pollution ranked the worst of any city in the world on 7 June 2023 as wildfire smoke from Canada?

Correct Answer: B. New York

New York City’s air pollution ranked the worst of any city in the world on Wednesday 7th june 2023, as wildfire smoke from Canada continued to drift over the area, creating a second day of orange haze over the city and prompting some residents to wear face masks outdoors. As of Wednesday afternoon, the city reached an AQI of 342, a level considered “hazardous” for all residents. he Federal Aviation Administration on Wednesday halted some flights bound for New York’s LaGuardia Airport due to the smoke.