<div style="text-align: justify; "><b style="font-size: 1rem;">Dhaka's air quality continued to be in the 'unhealthy' zone on Wednesday morning.</b><br></div><div style="text-align: justify; "><br></div><div style="text-align: justify;">With an air quality index (AQI) score of 187 at 9:25 am, Dhaka ranked 7th in the list of cities around the world with the worst air quality.</div><div style="text-align: justify;"><br></div><div style="text-align: justify;">Pakistan’s Lahore, Pakistan’s Karachi, and India’s Mumbai occupied the first three spots, with AQI scores of 319, 238 and 207, respectively.</div><div style="text-align: justify;"><br></div><div style="text-align: justify;">An AQI between 101 and 200 is considered 'unhealthy', particularly for sensitive groups.</div><div style="text-align: justify;"><br></div><div style="text-align: justify;">Similarly, 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.</div><div style="text-align: justify;"><br></div><div style="text-align: justify;">AQI, an index for reporting daily air quality, is used by government agencies to inform people how clean or polluted the air of a certain city is, and what associated health effects might be a concern for them.</div><div style="text-align: justify;"><br></div><div style="text-align: justify;">In Bangladesh, the AQI is based on five criteria pollutants -- Particulate Matter (PM10 and PM2.5), NO2, CO, SO2 and Ozone.  UNB</div><div style="text-align: justify;"><br></div><div style="text-align: justify; ">bnbd24/kh</div>