Dhaka air continues to be most polluted in world this morning
On March 03, Friday morning, Dhaka has again topped the list of cities around the world with the worst air quality.
With an air quality index (AQI) score of 221 at 8:40 am, the capital of Bangladesh ranked first in the list of world cities with the worst air quality.
An AQI between 151 and 200 is considered "unhealthy," 201 and 300 "very unhealthy," and 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.
Breathing polluted air has long been recognised as increasing a person's chances of developing heart disease, chronic respiratory diseases, lung infections and cancer, according to several studies.
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