Air Quality Index (AQI)
Dhaka’s air worst again in Air Quality Index
Bangladesh’s capital Dhaka ranked worst in the Air Quality Index (AQI) on Saturday morning.
Dhaka’s air still ‘unhealthy’
Bangladesh’s capital Dhaka ranked fourth worst in the Air Quality Index (AQI) on Wednesday morning.
Air Quality Index: Dhaka ranks 6th worst
Bangladesh’s capital Dhaka ranked sixth worst in the Air Quality Index (AQI) on Monday morning.
It had an AQI score of 140 at 08:06am.
The air was classified as ‘unhealthy for sensitive groups’.
When the AQI value is between 101 and 150, active children and adults, and people with respiratory diseases, such as asthma, should limit prolonged outdoor exertion.
India’s Delhi, Thailand’s Chiang Mai and Pakistan’s Lahore occupied the top three spots in the list of cities with the worst air quality with AQI scores of 175, 160 and 158 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.
No improvement in Dhaka’s air quality
Bangladesh’s capital Dhaka ranked 4th worst in the Air Quality Index (AQI) on Saturday morning.
Dhaka’s air quality continues to improve
Dhaka’s air quality showed signs of improvement on Thursday morning.
The capital ranked 22nd worst in the Air Quality Index (AQI) with a score of 76. The air quality was classified as ‘moderate’.
Chaina’s Shenyang, India’s Delhi and China’s Chengdu occupied the first three spots in the list of cities with the worst air with scores of 195, 175, and 167 respectively.
When the AQI value is between 51 and 100, active children and adult and people with respiratory diseases are advised to limit prolonged outdoor activities.
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 has long been grappling with air pollution. Its air quality usually improves during monsoon.
Dhaka’s air quality improves
The air quality of Dhaka showed a sign of improvement on Wednesday morning.
The capital ranked 18th worst in the Air Quality Index (AQI) with a score of 118. The air quality was classified as ‘unhealthy’.
China’s Shenyang, Chengdu, Guangzhou occupied the first three spots in the list of cities with the worst air with scores of 189, 176 and 171 respectively.
When the AQI value is between 101 to 150 it means ‘Unhealthy for Sensitive Groups’.
Dhaka’s air 2nd worst in the world
Bangladesh's capital Dhaka ranked second worst in the Air Quality Index (AQI) on Tuesday morning.
It had a score of 178 at 08:11am, indicating that the air quality was ‘unhealthy’.
A numerical value between 150 and 200 indicates that everyone may begin to experience health effects. Members of sensitive groups may experience more serious health effects.
China’s Shenyang and Beijing occupied the first and third spots respectively with scores of 188 and 166.
Scores between 201 and 300 are classified as ‘very unhealthy’. If the score is between 301 and 500, then it is classified as ‘hazardous’.
The AQI, an index for reporting daily air quality, tells people how clean or polluted the air of a certain city is, and what associated health effects might be a concern for them
Dhaka, one of the most densely populated cities in the world, has been grappling with air pollution for a long time.
The air quality generally worsens during summer and shows signs of improvement in monsoon when the dust settles.
Dhaka’s air quality improves
The air of Bangladesh’s capital Dhaka showed a slight improvement on Saturday morning.
It ranked 12th in the Air Quality Index (AQI) with a score of 112 at 08:35am, indicating that the air is ‘unhealthy for sensitive group’.
When the AQI value is between 101 and 150, members of sensitive groups may experience health effects while general public is less likely to be affected.
China’s Shenzhen and Thailand’s Chiang Mai occupied the first and second spots respectively with scores of 379 and 175.
Scores between 201 and 300 is classified as ‘very unhealthy’. If the score is between 301 and 500, then it is classified as ‘hazardous’.
The AQI, an index for reporting daily air quality, tells people how clean or polluted the air of a certain city is, and what associated health effects might be a concern for them
Dhaka, one of the most densely populated cities in the world, has been grappling with air pollution for a long time. The air quality generally worsens during summer and shows signs of improvement in monsoon when the dust settles.
Dhaka’s air still ‘unhealthy’
Bangladesh’s capital Dhaka ranked fourth worst in the Air Quality Index (AQI) on Thursday morning.
The city had a score of 160 at 09:00am, indicating that the air quality was ‘unhealthy’.
A numerical value between 151 and 200 indicates that everyone may begin to experience health effects. Members of sensitive groups may experience more serious health effects.
Thailand’s Chiang Mai, Vietnam’s Hanoi and Pakistan’s Lahore occupied the first three spots respectively with scores of 206, 174 and 168 respectively.
Scores between 201 and 300 is classified as ‘very unhealthy’. If the score is between 301 and 500, then it is classified as ‘hazardous’.
The AQI, an index for reporting daily air quality, tells people how clean or polluted the air of a certain city is, and what associated health effects might be a concern for them.
Dhaka, one of the most densely populated cities in the world, has been grappling with air pollution for a long time. The air quality generally worsens during summer and shows signs of improvement in monsoon when the dust settles.
Air Quality:Dhaka again ranks worst
Bangladesh’s capital Dhaka ranked first among cities with the worst quality in the Air Quality Index (AQI) on Friday morning.
It had an AQI score of 202 at 8:13 am.The air was classified as ‘very unhealthy’.
Thailand’s Chiang Mai and China’s Shenyang occupied the second and third positions with AQI scores of 192 and 165 respectively.
When the AQI value is between 201 and 300, the entire population is more likely to be affected.
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).
The Department of Environment has also set national ambient air quality standards for these pollutants. These standards aim to protect against adverse human health impacts.
Dhaka has long been grappling with air pollution. The air quality usually improves during monsoon.