Dhaka, July 27 -- Dhaka's air quality continued to be in the 'moderate' zone.
With an air quality index (AQI) score of 69 at 9:17 am, Dhaka ranked 31st on the list of cities worldwide with the worst air quality, reports UNB.
Uganda's Kampala, Egypt's Cairo, Bahrain's Manama and Canada's Montreal occupied the first four spots on the list, with AQI scores of 184, 174, 173 and 173, respectively.
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 3...