Despite rain, Dhaka's air quality 'unhealthy'

Despite rain, Dhaka's air quality continued to be in the 'unhealthy' zone on Thursday morning, reports UNB.
With an air quality index (AQI) score of 157 at 9:04 am, Dhaka ranked 11th on the list of cities worldwide with the worst air quality.
Lahore, Delhi and Doha occupied the first three spots on the list, with AQI scores of 211, 176 and 173, respectively. An AQI between 101 and 200 is considered 'unhealthy', particularly for sensitive groups while an AQI between 201 and 300 is said to be 'poor', while a reading of 301 to 400 is considered 'hazardous', posing serious health risks to residents.
In Bangladesh, the AQI is based on five criteria pollutants- Particulate Matter (PM10 and PM2.5), NO2, CO, SO2 and Ozone.