Air pollution in New York City has reached levels not seen since Tuesday, as a result of the week-long fires in the provinces of Quebec and Nova Scotia in eastern Canada. The city's Department of Environmental Conservation typically issues such guidelines to citizens when the air quality index exceeds 100 degrees, indicating that pollution has risen to dangerous levels.

According to US media, New York. City holds an average of 35 micrograms of fine particles per cubic meter of air per day, and that number has risen. to 140-160 since Tuesday morning, and by evening it reached 335.