Dhaka Leads Global Cities in Poor Air Quality with AQI of 186 Dhaka, as of 9:10 am today, holds the unenviable top spot for the world’s worst air quality, scoring 186 on the AQI index. The air in Dhaka is categorized as ‘unhealthy,’ according to the air quality and pollution city ranking. Other cities in the top four include Delhi (India), Shenyang (China), and Sarajevo (Bosnia Herzegovina) with AQI scores of 181, 177, and 174, respectively.
An AQI between 151 and 200 is considered ‘unhealthy,’ while 201-300 is ‘very unhealthy,’ and 301-400 is deemed ‘hazardous,’ posing severe health risks to residents. The AQI, an index reporting daily air quality, assesses the cleanliness or pollution levels and potential health effects associated with a city’s air. Bangladesh’s AQI considers five pollutants: particulate matter (PM10 and PM2.5), NO2, CO, SO2, and ozone.
