Dhaka, March 29 -- Dhaka has ranked third on the list of cities worldwide with the worst air quality with an AQI index of 169 at 8:55am on Thursday morning.
Dhaka's air was classified as "unhealthy" for the second consecutive day, according to the air quality index.
India's Delhi and Thailand's Chiang Mai occupied the first two spots on the list, with AQI scores of 179 and 170, respectively.
When the AQI value for particle pollution is 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.
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