Delhi Tops Air Pollution List, Dhaka Fourth With 'Unhealthy' Score of 173
India's capital New Delhi tops the list of cities with polluted air in the world, with an air quality score of 342. Bangladesh's capital Dhaka is in fourth place on the list.
On Friday morning (November 13), Dhaka's Air Quality Index score was 173, which is considered 'unhealthy'.
The information was presented at 8:30 a.m. on the day by IQAir, a Switzerland-based air quality website.
Pakistan's Lahore is second on the list of world cities for air pollution, with a score of 197. India's West Bengal state capital Kolkata is third, with a score of 192. The Philippines capital Manila is fifth, with a score of 171.
The Switzerland-based organisation IQAir provides a live or instant index of how clean or polluted a city's air is.
According to the organisation's standards, if the score is between zero and 50, air quality is considered good. A score of 51 to 100 is considered moderate or tolerable.
A score of 101 to 150 is considered unhealthy for sensitive groups. A score of 151 to 200 is considered 'unhealthy'.
A score of 201 to 300 is considered 'very unhealthy'. A score above 301 is considered 'hazardous'.
The report noted that air pollution levels in various cities of the world are increasing day by day due to climate change and various development works under way.
