Dhaka tops list of world’s most polluted cities again
Dhaka, the capital of Bangladesh, has topped the list of cities with the world’s most polluted or bad air. Dhaka’s air quality was in a ‘very unhealthy’ state with an Air Quality Index (AQI) score of 260 at 8:30 am on Monday, the agency said.
At the same time, Yangon in Myanmar is in the second position in the list of the most polluted cities in the world with a score of 204. In addition, Lahore in Pakistan is in third position with a score of 201, Sarajevo, the capital of Bosnia and Herzegovina, is in fourth position with a score of 198, and Delhi in India, which is in fifth position, has a score of 195.
An AQI score of zero to 50 is considered good. 51 to 100 is considered moderate, and 101 to 150 is considered unhealthy for sensitive groups. A score of 151 to 200 is considered ‘unhealthy’ air.
An AQI score between 201 and 300 is called ‘very unhealthy’. In this situation, children, the elderly and the sick are advised to stay indoors and others are advised to limit their outdoor activities. In addition, an AQI between 301 and 400 is considered ‘hazardous’, posing a serious health risk to city residents.
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