
City Desk :
Dhaka’s air quality continued to be in the ‘moderate’ zone on Tuesday. With an air quality index (AQI) score of 97 at 9:00 am, Dhaka ranked 12th on the list of cities worldwide with the worst air quality. India’s Kolkata, Uzbekistan’s Tashkent and Bahrain’s Manama occupied the first three spots on the list, with AQI scores of 154, 153 and 152, respectively, reports UNB.
An AQI between 50 and 100 is considered ‘moderate’ with acceptable air quality 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.