Dhaka air eighth most polluted in world

Bangladesh

Daily Bangla Times: Dhaka's air ranked as the eighth most polluted in the world on Wednesday morning according to the Air Quality Index (AQI).The air in Dhaka was categorized as unhealthy for sensitive groups, with an AQI score of 126 at 9am.India's Delhi, Pakistan's Lahore and Taiwan's Kaohsiung occupied the first three spots on the list, with AQI scores of 180, 169 and 159, respectively.

When the AQI value for particle pollution is between 101 and 150, air quality is considered unhealthy for sensitive groups, between 151 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.

In Bangladesh, the AQI is based on five criteria pollutants — particulate matter (PM10 and PM2.5), NO2, CO, SO2 and Ozone. Dhaka has long been grappling with air pollution issues. Its air quality usually turns unhealthy in the winter and improves during the monsoon.