International desk: New York City of the United States has topped the list of the most polluted cities in the world. This US city was seen at the top of the list at 10 pm local time on Tuesday (8 am on Wednesday in Bangladesh time).
According to US media reports, New York's air has become so polluted because of the smoke created by the wildfires that spread in Canada. IQAir's Air Quality Index rated New York's air as 'very unhealthy' on Tuesday night. At that time, the level of PM2.5 in the air of the city was above 200. New York was the city with the most air pollution in the world, according to IQAir's list.
Delhi in India was second, Baghdad in Iraq in third, Detroit in USA in fourth, Tel Aviv in Israel in fifth, Kuwait City in Kuwait in sixth, Doha in Qatar in seventh, Dubai in UAE in eighth, Kolkata in India in ninth and Jakarta in Indonesia in tenth. Besides, Saudi Arabia's Riyadh was 11th and Bangladesh's capital Dhaka was 12th in the list. At least 10 New York school districts canceled all outdoor activities Tuesday because of air pollution.
Among these, the authorities have canceled academic, athletic and extracurricular events as well as outdoor gyms or vacations. According to the Canadian Interagency Forest Fire Centre, there are more than 150 active fires burning in Quebec this week, more than double the number of fires burning in the country's other provinces. More than four hundred wildfires have been recorded in Quebec so far in 2023, double the average for this time of year. Fires in Canada this year have burned nearly 9 million acres of forest. Air warnings have been issued in the US and the city of Chicago as smoke from the wildfires spread across Canada.