Dhaka's air quality was marked as 'unhealthy for sensitive groups' this morning (September 09, 2023). With an air quality index (AQI) score of 117 at 8:56 am, Dhaka ranked 8th on the list of cities worldwide with the worst air quality, according to IQAir. Kuwait's Kuwait City, Netherlands’ Rotterdam and Amsterdam occupied the first three spots on the list, with AQI scores of 174, 170 and 158, respectively. Thanks to rain, Dhaka's air quality 'moderate' 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 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's air quality 'unhealthy' yet again Dhaka has long grappled with air pollution issues. Its air quality usually turns unhealthy in the winter and improves during the monsoon. Air pollution consistently ranks among the top risk factors for death and disability worldwide. 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. Dhaka's air quality in the 'moderate' zone this morning

Dhaka’s air ranked 9th most polluted in the world this morning (June 7, 2023) as per the Air Quality Index (AQI).The air in Dhaka was categorised as ‘unhealthy for sensitive groups’, with an AQI score of 145 at 9:37 am.India's Delhi, USA’s New York City and Qatar's Doha occupied the first three spots on the list, with AQI scores of 313, 187, and 162, respectively. Also read: No improvement in Dhaka's air quality, still 'unhealthy' this morningWhen the AQI value for particle pollution is between 101 and 150, air quality is considered ‘unhealthy for sensitive groups’, between 151 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.In Bangladesh, the AQI is based on five criteria pollutants — particulate matter (PM10 and PM2.5), NO2, CO, SO2, and Ozone. Also read: Dhaka's air quality 'moderate' this morningDhaka has long been grappling with air pollution issues. Its air quality usually turns unhealthy in the winter and improves during the monsoon.

After a marked improvement in the past week, Dhaka's air quality slipped back to the 'unhealthy' zone on Saturday morning. With an air quality index (AQI) score of 108, recorded at 9.02 am, the metropolis ranked sixth in the list of world cities with the worst air quality. Iran’s Tehran, Chile’s Santiago and Pakistan’s Lahore occupied the first three spots in the list, with AQI scores of 152, 152, and 142, 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. Read: Global pollution kills 9 million people a year, study finds 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. A report by the Department of Environment (DoE) and the World Bank in March 2019 pointed out that the three main sources of air pollution in Dhaka "are brick kilns, fumes from vehicles and dust from construction sites". 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: Light pollution threatens birds in cities 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.  

Dhaka  ranked sixth worst in the Air Quality Index (AQI) on Sunday.

Bangladesh’s capital Dhaka ranked worst in the Air Quality Index (AQI) on Tuesday morning.   It had an AQI score of 163 at 09:04m. The air was classified as ‘unhealthy’.   Although Dhaka’s air was supposed to improve during the general holidays as public transports remained suspended for over one month, it remained unhealthy for days. When the AQI value is between 151 and 200, everyone may begin to experience health effects while members of sensitive groups may experience more serious health effects.   Pakistan’s Lahore and China’s Chengdu occupied the second and third positions in the list of cities with the worst air quality with AQI scores of 157 and 134 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.   In Bangladesh, the AQI is based on five criteria pollutants – Particulate Matter (PM10 and PM2.5), NO2, CO, SO2, and Ozone (O3).   Dhaka has long been grappling with air pollution. Its air quality usually improves during monsoon.

Although all the activities, including vehicular movement, remained halted in the capital amid the ongoing nationwide shutdown aimed at curbing coronavirus, Dhaka ranked fourth worst in the Air Quality Index (AQI) on Wednesday morning.   It had an AQI score of 155 at 08:24am. The air was classified as ‘unhealthy’.

Bangladesh’s capital Dhaka ranked the third worst in Air Quality Index (AQI) on Tuesday morning.