Air pollution
Chad replaces Bangladesh as country with most polluted air in 2022
Chad replaced Bangladesh as the country with the most polluted air in 2022.With the only real-time, publicly available source of air quality data for the entire country of Chad being provided by a single air quality monitor in the city of N’Djamena, the spotlight on global air quality data coverage disparities shines bright on the continent of Africa, according to the 2022 World Air Quality Report.N’Djamena, the capital of Chad, ranked number one as the most polluted regional city with an annual average PM2.5 concentration of 89.7 µg/m3, a 12 percent increase from 2021, the report said.In 2022, Bangladesh ranked fifth in the overall rankings with 65.8 points.
Read More: River pollution: Artists take to unique protest in Habiganj In some of the capital cities in the region (Dhaka, Bangladesh; Bishkek, Kyrgyzstan; Islamabad, Pakistan; Colombo, Sri Lanka) the percentage of low-cost sensor stations is more than 80 percent.Iraq, Pakistan and Bahrain held the second, third, and fourth positions in the AQI ranking for 2022 respectively with 80.1, 70.9 and 66.6 points.The top five most polluted cities in the world in 2022 were: N’Djamena, Chad (89.7); New Delhi, India (89.1); Baghdad, Iraq (86.7); Manama, Bahrain (66.6); and Dhaka, Bangladesh (65.8).The 2022 World Air Quality Report reviewed the state of global air quality in the year. The study contains statistics on PM2.5 air quality from 7,323 cities in 131 nations, regions, and territories.
Read More: Govt committed to doing all it can to defeat pollution: Environment MinisterThis report's data was compiled from over 30,000 regulatory air quality monitoring stations and low-cost air quality sensors, the report said.
Governing authorities, research institutes, non-profit non-governmental groups, universities and educational facilities, commercial corporations, and citizen scientists run these monitoring stations and sensors all around the world, said the report.The PM2.5 data in this report is measured in micrograms per cubic meter (g/m3) and uses the World Health Organization (WHO) air quality recommendations and interim objectives from 2021 as a basis for data visualization and risk communication.
Read More: 6 vehicles, 5 institutions fined in anti-pollution drive in Dhaka
AQI: Dhaka’s air 2nd most polluted in the world this morning
Dhaka's air quality continues to be in the 'unhealthy' zone.
With an air quality index (AQI) score of 194 at 9:25 am today (March 14, 2023), Dhaka ranked second in the list of cities worldwide with the worst air quality.
An AQI between 151 and 200 is considered ‘unhealthy'.
India’s Delhi and Nepal's Kathmandu occupied the first and third spots in the list, with AQI scores of 282 and 179, respectively.
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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.
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.
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.
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No improvement in Dhaka's air quality, still 'unhealthy' this morning
Dhaka’s air quality is still in the 'unhealthy' zone this morning (March 12, 2023).
With an air quality index (AQI) score of 165 at 9:00 am, the capital of Bangladesh ranked 10th in the list of cities worldwide with the worst air quality.
Thailand’s Chiang Mai, India’s Delhi, and Kolkata occupied the first three spots, with AQI scores of 198, 188, and 184, respectively.
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.
Read More: 9-point directive on air pollution: HC asks DoE to submit report within 2 weeks.
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.
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 cancer, according to several studies.
Read More: Govt committed to doing all it can to defeat pollution: Environment Minister
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.
AQI: Dhaka’s air 2nd most polluted in the world this morning
Dhaka’s air quality continues to remain in the 'unhealthy' zone.
With an air quality index (AQI) score of 198 at 9:04 am today (March 11, 2023), the capital of Bangladesh ranked second in the list of cities worldwide with the worst air quality.
Iraq’s Baghdad and Pakistan’s Lahore occupied the first and third spots, with AQI scores of 208 and 198, respectively.
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: Dhaka’s air 2nd most polluted in the world this morning
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: Govt committed to doing all it can to defeat pollution: Environment Minister
AQI: Dhaka’s air still unhealthy this morning
Dhaka’s air quality is still in the 'unhealthy' zone this morning (March 10, 2023).
With an air quality index (AQI) score of 163 at 9:30 am, the capital of Bangladesh ranked 11th in the list of cities worldwide with the worst air quality.
Pakistan’s Lahore, India’s Delhi, and China’s Wuhan occupied the first three spots, with AQI scores of 239, 213, and 203, respectively.
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.
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 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 2nd most polluted in the world this morning
Dhaka's air quality continues to be in the 'unhealthy' zone.
With an air quality index (AQI) score of 187 at 8:34 am today (March 09, 2023), Dhaka ranked second in the list of world cities with the worst air quality.
An AQI between 101 and 200 is considered 'unhealthy', particularly for sensitive groups.
Pakistan’s Karachi and India’s Kolkata occupied the first and third spots in the list, with AQI scores of 188 and 184, respectively.
Also read: No improvement in Dhaka's air quality, still 'unhealthy' this morning
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.
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.
Read More: Govt committed to doing all it can to defeat pollution: Environment Minister
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.
AQI: Dhaka’s air still unhealthy this morning
Dhaka’s air quality is still in the 'unhealthy' zone this morning (March 08, 2023).
With an air quality index (AQI) score of 156 at 9:30 am, the capital of Bangladesh ranked 13th in the list of cities worldwide with the worst air quality.
Pakistan’s Lahore, the United Arab Emirate’s Dubai, and Pakistan’s Karachi occupied the first three spots, with AQI scores of 211, 195, and 188, respectively.
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: Dhaka’s air quality improves, still in ‘unhealthy’ zone this morning
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.
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.
Read More: Drives against air pollution: 10 establishments, 26 vehicles fined TK 4.45 lakh
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 still 'unhealthy', 4th most polluted in the world this morning
With an air quality index (AQI) score of 191 at 10:30 am today (March 07, 2023), Dhaka ranked 4th in the list of cities worldwide with the worst air quality.
Pakistan’s Karachi, China’s Beijing, and Pakistan’s Lahore occupied the first, second, and third spots, with AQI scores of 214, 214, and 205 respectively.
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.
Read More: Drives against air pollution: 10 establishments, 26 vehicles fined TK 4.45 lakh
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.
Read More: 9-point directive on air pollution: HC asks DoE to submit report within 2 weeks
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 improves, still in ‘unhealthy’ zone this morning
Dhaka’s air quality is in the 'unhealthy' zone this morning (March 6, 2023).
With an air quality index (AQI) score of 159 at 9:40 am, the capital of Bangladesh ranked 14th in the list of cities worldwide with the worst air quality.
This is an improvement considering Dhaka was topping the list over the last few days.
China’s Beijing, Pakistan’s Karachi, and Lahore occupied the first, second, and third spots, with AQI scores of 234, 218, and 189 respectively.
Also Read: Dhaka’s air ‘hazardous’, most polluted in the world for 4th consecutive day
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.
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.
Dhaka’s air ‘hazardous’, most polluted in the world for 4th consecutive day
Dhaka continued to occupy the top spot in the list of cities around the world with the worst air quality for the fourth consecutive day this morning (March 5, 2023).
With an air quality index (AQI) score of 322 at 9 am, Dhaka’s air quality remained in the ‘hazardous’ zone.
China’s Beijing, Pakistan’s Lahore, and India’s Mumbai occupied the second, third, and fourth spots in the list, with AQI scores of 214, 210, and 197, respectively.
Also Read: Dhaka’s air most polluted in the world for 3rd consecutive day
An AQI between 151 and 200 is considered "unhealthy," 201 and 300 "very unhealthy," and 301 to 400 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.
Dhaka has long been grappling with air pollution issues. Its air quality usually turns unhealthy in winter and improves during the monsoon.
Read More: 6 vehicles, 5 institutions fined in anti-pollution drive in Dhaka
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.