Wednesday, June 19, 2024


Dhaka Tribune

Dhaka’s air quality again world's worst Friday morning

  • AQI 298
  • Delhi, Kolkata next top spots
Update : 26 Jan 2024, 10:18 AM

Dhaka has topped the list of cities worldwide with the worst air quality Friday morning, with an AQI score of 298 at 8am on Friday.

Dhaka’s air was classified as “very unhealthy”, posing serious health risks to residents, according to the air quality index.

India’s Delhi, Kolkata, Pakistan’s Karachi and Bosnia Herzegovina’s Sarajevo occupied the second, third, fourth and fifth spots on the list, with AQI scores of 277, 208, 205 and 196, 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.

The AQI, an index for reporting daily air quality, informs people how clean or polluted the air of a certain city is and what associated health effects might be a concern for them.

The AQI in Bangladesh is based on five 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 winter and improves during the monsoon.

As per World Health Organization (WHO), air pollution kills an estimated seven million people worldwide every year, mainly due to increased mortality from stroke, heart disease, chronic obstructive pulmonary disease, lung cancer, and acute respiratory infections.

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