Dhaka has topped the list of cities worldwide with the worst air quality with an AQI score of 269 at 8:55 am this morning (January 30, 2024). Dhaka’s air was classified as 'very unhealthy', posing serious health risks to residents, according to the air quality index. Ghana’s Accra, Uganda’s Kampala and India’s Mumbai occupied the second, third and fourth spots on the list, with AQI scores of 209, 189 and 188 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. Read more: Environment Ministry announces 100-day programme for 'healthy environment, smart Bangladesh' 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. Read more: Smart technology will be used in all public service delivery: Environment Minister

As city life continues to be impacted by the cold weather, Dhaka's air quality remained in the 'unhealthy' zone this morning (January 18, 2024).With an air quality index (AQI) score of 175 at 9:06 am, Dhaka ranked fifth on the list of cities worldwide with the worst air quality.India’s Kolkata, Pakistan’s Karachi and Lahore and India’s Delhi occupied the first four spots on the list, with AQI scores of 240, 211, 183 and 179, respectively. Dhaka’s air quality ‘unhealthy’ this morning amid bone-chilling coldWhen 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. Dhaka’s air quality again world's worstAs 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 has topped the list of cities around the world with the worst air quality this morning (January 21, 2023). With an air quality index (AQI) score of 249 at 8:55 am on Saturday, Dhaka ranked first in the list of cities with worst air. An AQI between 151 and 200 is said to be ‘unhealthy’ while 201 and 300 is considered ‘very unhealthy’, and 301 to 400 is considered 'hazardous', posing serious health risks to residents. Also read: Dhaka's air quality turns ‘very unhealthy' this morning India’s Kolkata and Iraq’s Baghdad occupied the second and third places with an AQI of 220 and 218 respectively. 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. Read More: Air pollution 2nd biggest cause of deaths in Bangladesh in 2019, cost about 3.9-4.4% of GDP: World Bank 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 has once again topped the list of world cities with worst air quality. With an air quality index (AQI) score of 251 at 8:53am today, Dhaka ranked first in the list of cities with worst air. An AQI between 201 and 300 is said to be ‘very unhealthy’, while a reading of 301 to 400 is considered 'hazardous', posing serious health risks to residents. India’s Kolkata and Vietnam’s Hanoi occupied the second and third spots in the list, with an AQI score of 201 and 192, respectively. An AQI between 101 and 200 is considered 'unhealthy', particularly for sensitive groups while a reading of 301 to 400 is considered 'hazardous', posing serious health risks to residents. Also read: Dhaka ranks 2nd worst in Air Quality Index 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. 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 a 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 has again topped the list of world cities with the worst air quality. The capital's Air Quality Index (AQI) score was recorded at 162 around 8am on Monday. Also read: Dhaka's air quality deteriorates again India’s Delhi and Nepal’s Kathmandu occupied the next two spots, with AQI scores of 156 and 155, 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. 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". Also read: Dhaka's air still remains 'unhealthy' 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. 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's air quality continued to be in the ‘moderate’ zone on Thursday as cyclone ‘Asani’ weakened into a depression, triggering showers. With an air quality index (AQI) score of 87 at 10am, the city ranked 17th in the list of world cities with the worst air quality. Also read: Dhaka's air quality turns 'moderate' Pakistan’s Lahore, Chile’s Santiago and Saudi Arabia’s Riyadh occupied the first three spots in the list, with AQI scores of 185, 162 and 154, 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 in winter and improves during the 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". Also read:Dhaka’s air quality improves With the advent of winter, the city’s air quality starts deteriorating sharply due to the massive discharge of pollutant particles from construction work, rundown roads, brick kilns and other sources. 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 a 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.

The densely populated capital of Bangladesh continues to dominate the list of cities with the worst air quality in the world. On Saturday, Dhaka was ranked the world's second-most polluted city, as its air quality index (AQI) was recorded at 302 at 8.56am, which is considered ‘hazardous’. Russia’s Krasnoyarsk and Pakistan’s Karachi occupied the first and third spots with AQI scores of 307 and 224, respectively, in the latest list of world cities with the worst air quality. An AQI above 300 is considered 'hazardous' for everyone and doctors advise people to avoid all outdoor activities. 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. Read Public health issues like air pollution, environment not getting due attention

The densely populated capital of Bangladesh continues to dominate the list of world cities with the worst air quality.  On Wednesday, Dhaka occupied the second position in the list. The city's air quality index (AQI) was recorded at 213 at 10.48am, which is considered 'poor' or  'very unhealthy'. India’s Delhi and Kolkata occupied the first and third spots, with AQI scores of 478 and 191, respectively, in the latest list of world cities with the worst air quality. 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. Also read: Bangladeshis lose over 1.8 years of lifespan to air pollution: Scientists 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.  

The densely populated capital of Bangladesh has once again topped the list of world cities with the worst air quality. Dhaka's air quality index (AQI) at 6.29 am read 489, considered 'severe'. An AQI between 201 and 300 is considered 'poor', while a reading of 301 to 400 is said to be 'hazardous', posing serious health risks to city residents. And an AQI between 401 and 500 is said to be 'severe'. Pakistan’s Karachi and India’s Kolkata occupied the second and third spots in the list of cities with the worst air quality, with AQI scores of 173 and 166, respectively. 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 overall 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 issues. Generally, the capital's air starts getting fresh when monsoon rains begin from mid-June. Also read: Public health issues like air pollution, environment not getting due attention In 2021, the average daily AQI score was 261 in January, 231 in February and 211 in March, which hit the record high in the last five years. The average AQI scores were 247, 193 and 170 in January-March 2017 respectively, according to the analysis made by Prof Dr Ahmad Kamruzzaman Majumder, Founder and Director of Centre for Atmospheric Pollution Studies (CAPS), Stamford University, Bangladesh. During these five years, the air quality was relatively better in 2020 as the average AQI scores were 235 in January, 220 in February and 175 in March in the year. In January 2021, the air quality in Dhaka was hazardous (score 300+) for seven days, very unhealthy (score 200-300) for 23 days and unhealthy (151-200) for one day. In the last three months, the highest average AQI score was 365 on January 20 and the lowest 144 on March 11, 2021. Although the hazardous air quality poses serious health risks to residents, little is being done to check air pollution. People are advised to avoid all outdoor exertion when the air quality is hazardous, said Dr Majumder, also chairman of the Department of Environmental Science of Stamford University. What experts say Experts say the exposure to a high level of air pollution weakens people’s respiratory and immune systems, causes various cold-related diseases, making them more susceptible to Covid-19. The World Health Organization (WHO) has also recently cautioned that the cities which have a higher level of air pollution should reinforce their preparedness against the deadly corona pandemic. Also read: Minister vows tough fight against air pollution in Dhaka Experts also say the use of masks by all must be ensured by enforcing law and motivating people as it is the most effective way to protect oneself from pollution and Covid-19.

Dhaka may no longer be the world's most polluted city, but the densely populated capital's air quality still remains 'unhealthy'.