Air Quality Index (AQI)
Dhaka’s air second worst in AQI
Bangladesh’s capital Dhaka was ranked second worst in the Air Quality Index (AQI) on Tuesday morning.
The city had a score of 195 at 08:21am, indicating that the air quality was unhealthy even after vehicle movement has been reduced during the countrywide lockdown to prevent the spread of coronavirus.
Thailand’s Chiang Mai and China’s Shenyang occupied the first and third spots respectively with scores of 205 and 171.
When the AQI value stays in between 151 and 200, everyone may begin to experience health effects. Members of sensitive groups may experience more serious health effects.
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 remains ‘unhealthy’
Bangladesh’s capital Dhaka ranked fourth worst in the Air Quality Index (AQI) on Friday morning.
Dhaka had an AQI score of 164 at 08:30am. The air was classified as ‘unhealthy’.
Thailand’s Chiang Mai and Serbia’s Belgrade and India’s Kolkata occupied the top three spots in the list of cities with worst air quality with AQI scores of 192, 182 and 166 respectively.
When the AQI value is between 151 and 200, every city dweller, particularly members of sensitive groups, may begin to experience adverse health effects.
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.
Dhaka's air still remains unhealthy
Bangladesh’s capital ranked second worst in the Air Quality Index (AQI) on Thursday morning.
Dhaka had a score of 192 at 09:06am, 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 and North Macedonia’s Skopie occupied the first and third with scores of 197 and 172 respectively.
Air quality 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’s air quality remains ‘very unhealthy’
Bangladesh’s capital Dhaka ranked second among cities with the worst quality in the Air Quality Index (AQI) on Friday morning.
Dhaka’s air quality improves but still ‘unhealthy’
Although the air of Bangladesh’s capital Dhaka marked a significant improvement on Wednesday morning, it was still classified as ‘unhealthy’ in the Air Quality Index (AQI).
Dhaka had an AQI score of 135 at 10:17am. It stood 20th in the list of cities with worst air.
Dhaka’s air quality improves but still ‘unhealthy’
The air of Bangladesh’s capital Dhaka showed slight improvement on Tuesday morning but it was still classified as ‘unhealthy’ in the Air Quality Index (AQI).
Dhaka had an AQI score of 136 at 09:16am. It ranked 15th worst in the list.
Pakistan’s Lahore and Karachi occupied the first and third spots with scores of 195 and 186 respectively while Thailand’s Chiang Mai ranked second in the list of cities with worst air with 188.
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.
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.
Air Quality Index: Dhaka ranks 7th worst
Bangladesh’s capital Dhaka ranked seventh worst in the Air Quality Index (AQI) on Sunday morning.
It had an AQI score of 163 at 09:37am. The air was classified as ‘unhealthy’.
Thailand’s Chiang Mai and Saudi Arabia’s Riyadh occupied the first and second spots in the list of cities with worst air quality with AQI scores of 362 and 171 respectively.
When the AQI value is between 151 and 200, every city dweller, particularly members of sensitive groups, may begin to experience adverse health effects.
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.
Dhaka's air still remains at 'unhealthy' level
Bangladesh’s capital Dhaka ranked the third worst in Air Quality Index (AQI) on Friday morning.
It had an AQI score of 190 at 08:36 am. The air was classified as ‘unhealthy’.
Thailand’s Chiang Mai and Mongolia’s Ulaanbaatar occupied the first and second spots in the list of cities with the worst air quality with AQI scores of 294 and 192 respectively.
When the AQI value is between 151 and 200, every city dweller may begin to experience the adverse effects in their health, particularly members of sensitive groups.
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.
Dhaka’s air still ‘unhealthy’
Dhaka's air was classified as ‘unhealthy’ on Saturday morning as Bangladesh’s capital ranked the fifth worst in the Air Quality Index (AQI).
It had an AQI score of 154 at 07:50 am. The air was classified as ‘unhealthy’.
Mongolia’s Ulaanbaatar, China’s Chengdu and Shanghai occupied the first three spots in the list of cities with the worst air quality with AQI scores of 190, 157 and 155 respectively.
When the AQI value is between 151 and 200, some of the general public may experience health effects and members of sensitive groups may have serious health effects.