Air Quality Index
Dhaka’s air quality turns ‘unhealthy’
Dhaka's air quality on Tuesday slipped into the 'unhealthy' zone on Tuesday morning, despite heavy late monsoon showers a day before.
With an air quality index (AQI) score of 161 at 9 am, the metropolis ranked third in the list of world cities with the worst air quality.
Pakistan’s Lahore and Kuwait’s Kuwait City occupied the first two spots in the list, with AQI scores of 178 and 163, respectively.
An AQI between 101 and 200 is considered 'unhealthy', particularly for sensitive groups.
Also read: Dhaka’s air quality now ‘moderate'
On the other hand, an AQI between 50 and 100 is considered ‘moderate’ with an acceptable air quality. However, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.
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.
Also read: Dhaka’s air quality remains 'moderate'
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 remains 'good'
Dhaka's air quality continued to be in the 'good' zone on Friday.
With an air quality index (AQI) score of 25 at 9am, the densely populated metropolis ranked 64th in the list of world cities with the worst air quality.
An air quality between 0 and 50 is considered 'good'.
Pakistan’s Lahore, Brazil’s Sao Paulo and Chile’s Santiago occupied the first three spots in the list, with AQI scores of 162, 153, and 144, respectively.
An AQI between 101 and 200 is considered 'unhealthy', particularly for sensitive groups.
Also read: Dhaka's air quality remains 'good'
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.
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.
Also read: Dhaka’s air quality is ‘good’
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’s air quality turns ‘moderate’ again
After staying ‘unhealthy for sensitive groups' a day before Dhaka's air quality turned ‘moderate’ again on Friday.
With an air quality index (AQI) score of 77 at 9am, the metropolis ranked 25th in the list of world cities with the worst air quality.
Pakistan’s Lahore, Indonesia’s Jakarta, and Saudi Arabia’s Riyadh occupied the first three spots, with AQI scores of 158, 155 and 153, respectively.
An AQI between 50 and 100 is considered ‘moderate’ with an acceptable air quality. However, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.
Also read: Dhaka’s air is ‘unhealthy for sensitive groups’
On the other hand, 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.
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.
Also 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 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’s air is ‘unhealthy for sensitive groups’
After a marked improvement, Dhaka's air quality slipped back to the 'unhealthy for sensitive groups' category on Thursday.
With an air quality index (AQI) score of 106 at 10 am, the metropolis ranked 9th in the list of world cities with the worst air quality.
China’s Wuhan, Chile’s Santiago and Indonesia’s Jakarta occupied the first three spots, with AQI scores of 190, 152 and 136, 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: Dhaka’s air quality remains 'moderate'
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".
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.
Dhaka’s air quality is ‘moderate' now
After remaining ‘unhealthy’ a day before, Dhaka's air quality became 'moderate' on Tuesday morning --thanks to intermittent monsoon showers.
With an air quality index (AQI) score of 91 at 10.30am, the metropolis ranked 16th in the list of world cities with the worst air quality.
Saudi Arabia’s Riyadh, South Africa’s Johannesburg and Chile’s Santiago occupied the first three spots in the list, with AQI scores of 178, 164 and 158, respectively.
An AQI between 50 and 100 is considered ‘moderate’ with an acceptable air quality. However, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.
Also read: Dhaka's air back to 'unhealthy' zone
On the other hand, 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.
Also read: Dhaka’s air quality turns 'moderate'
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.
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 remains 'moderate'
Dhaka's air quality continues to be in the 'moderate' zone, all thanks to intermittent monsoon showers.
With an air quality index (AQI) score of 86 at 11.15am on Tuesday, the metropolis ranked 14th in the list of world cities with the worst air quality.
An AQI between 50 and 100 is considered ‘moderate’ with an acceptable air quality. However, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.
Czech Republic's Prague, China's Chengdu and Indonesia's Jakarta occupied the first three spots in the list, with AQI scores of 144, 137, and 112, respectively.
Also read: Dhaka’s air quality remains ‘moderate’
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.
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.
Also read: Dhaka’s air quality turns 'unhealthy' again
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 is 'moderate'
Dhaka's air quality witnessed a marked improvement on Friday morning, after remaining ‘unhealthy’ a day before.
With an air quality index (AQI) score of 65, recorded at 10.40am, the metropolis ranked 22th in the list of world cities with the worst air quality.
An AQI between 50 and 100 is considered ‘moderate’ with an acceptable air quality. However, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.
Kuwait’s Kuwait city, Indonesia’s Jakarta, and India’s Delhi occupied the first three spots in the list, with AQI scores of 166, 161 and 154, respectively.
Also read: Dhaka’s air quality turns 'unhealthy' again
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.
Also read: Dhaka’s air quality remains ‘moderate’
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.
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 improves
Dhaka's air quality has improved to ‘moderate’ level.
With an air quality index (AQI) score of 81 at 9.22 am, the metropolis ranked 17th on the list of world cities with the worst air quality.
Iran’s Tehran, the UAE’s Dubai, and South Africa’s Johannesburg occupied the first three spots, with AQI scores of 161, 154, and 149, respectively.
On Thursday, the city’s air quality was marked ‘unhealthy’ with an AQI score of 121 at 9am.
Also read: Dhaka's air is 'unhealthy'
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".
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.
Also read: Dhaka air quality turns ‘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.
Dhaka's air quality remains 'good'
Dhaka's air quality continues to be in the 'good' category.
With an air quality index (AQI) score of 35 at 10.20am, the densely populated metropolis ranked 51st in the list of world cities with the worst air quality.
Pakistan’s Lahore, India's Delhi, and Saudi Arabia's Riyadh occupied the first three spots in the list, with AQI scores of 171, 168 and 153, respectively.
An AQI between 101 and 200 is considered 'unhealthy', particularly for sensitive groups.
Also read: Dhaka's air quality turns 'good'
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 turns 'moderate'
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.
Dhaka's air quality deteriorates
The air quality in Dhaka has deteriorated again.
With an air quality index (AQI) score of 166 at 10.45am on Friday, the metropolis ranked third in the list of world cities with the worst air quality.
Russia’s Krasnoyarsk and India’s Delhi occupied the first and the second spots, with AQI scores of 290 and 176, respectively, in the list.
An AQI between 151and 200 is considered 'unhealthy' for everyone and members of sensitive groups may experience more serious health effects.
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.
Also Read: Dhaka's air quality turns 'good'
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".
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.