City Desk :
Dhaka, the overcrowded capital city of Bangladesh, has ranked the 7th on the list of cities with the worst air quality with an AQI score of 184 at 9:02 am Saturday.
Saturday’s air was classified as ‘unhealthy’, according to the AQI index. India’s Delhi and Kolkata and Pakistan’s Lahore and Karachi occupied the first four spots on the list, with AQI scores of 441, 216, 194 and 193, respectively.
When the AQI value for particle pollution is between 50 and 100, air quality is considered ‘moderate’, usually sensitive individuals should consider limiting prolonged outdoor exertion, between 101 and 150, air quality is considered ‘unhealthy for sensitive groups’, between 150 and 200 is ‘unhealthy’, between 201 and 300 is said to be ‘very unhealthy’, while a reading of 301+ is considered ‘hazardous’, posing serious health risks to residents, reports UNB.
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