Dhaka’s air quality is still in the 'unhealthy' zone this morning. With an air quality index (AQI) score of 187 at 9 am, the capital of Bangladesh ranked 3rd in the list of cities worldwide with the worst air quality. Pakistan’s Lahore and India’s Delhi occupied the first two spots, with AQI scores of 193, 189. Also Read: AQI: Dhaka's air 2nd most polluted in the world this morning An AQI between 151 and 200 is considered ‘unhealthy’ while between 201–300 is ‘’very unhealthy’, and 301–400 is 'hazardous', posing severe health risks to residents. The AQI, an index for reporting daily air quality, informs people how clean or polluted the air of a particular 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. Also Read: AQI: Dhaka’s air continues to be in ‘unhealthy’ zone Air pollution consistently ranks among the top risk factors for death and disability worldwide. Breathing polluted air has long been recognized as increasing a person’s chances of developing heart disease, chronic respiratory diseases, lung infections, and  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.    

Dhaka's air quality continued to be in the 'unhealthy' zone this morning . With an air quality index (AQI) score of 186 at 9:50 am, the capital of Bangladesh ranked third in the list of cities worldwide with the worst air quality. India’s Delhi and Pakistan’s Lahore occupied the first and second spots, with AQI scores of 244 and 235. An AQI between 151 and 200 is considered ‘unhealthy’ while between 201–300 is ‘’very unhealthy’, and 301–400 is 'hazardous', posing severe health risks to residents. Also Read: No improvement in Dhaka's air quality, still 'unhealthy' this morning 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 winter and improves during the monsoon. As per the World Health Organization (WHO), air pollution kills an estimated seven million people worldwide every year, largely as a result of increased mortality from stroke, heart disease, chronic obstructive pulmonary disease, lung cancer and acute respiratory infections.    

The air quality in Dhaka showed no signs of improvement, as it continued to be in the 'unhealthy' zone this morning. With an air quality index (AQI) score of 178 at 9:12 am, the capital of Bangladesh ranked fifth in the list of cities worldwide with the worst air quality. Poland’s Krakow, China’s Chongqing and Pakistan’s Lahore occupied the first three spots, with AQI scores of 211, 193 and 185 respectively. 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. Dhaka has long been grappling with air pollution issues. 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.

Believe it or not, Dhaka has been ranked the most polluted city in the world. On Thursday, Dhaka's air quality index (AQI) was recorded at 141 at 8.50am. Read:Dhaka's air quality remains 'moderate' Pakistan’s Lahore and the United Arab Emirates' Dubai occupied the second and third spots in the list, with AQI scores of 131and 117, respectively. An AQI between 101 and 200 is considered 'unhealthy', particularly for sensitive groups. 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. 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. 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 during winter and improves during monsoon. With the advent of winter, the city’s air quality starts deteriorating sharply due to the massive discharge of pollutant particles from construction works, rundown roads, brick kilns and other sources. Read: Dhaka's air quality remains 'moderate' Air pollution consistently ranks among the top risk factors for death and disability worldwide. 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. As per the World Health Organization (WHO), air pollution kills an estimated seven million people worldwide every year, largely as a result of increased mortality from stroke, heart disease, chronic obstructive pulmonary disease, lung cancer and acute respiratory infections.