Air Quality Index
Dhaka keeps grappling with toxic air
Bangladesh’s capital Dhaka ranked the second worst in Air Quality Index (AQI) for the second consecutive day on Thursday morning.
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 Wednesday morning.
Dhaka ranks third worst in Air Quality Index
Bangladesh’s capital Dhaka ranked the third worst in Air Quality Index (AQI) on Tuesday morning.
Dhaka’s battle with toxic air continues
Bangladesh’s capital Dhaka ranked the third worst in the Air Quality Index (AQI) on Monday.
It had an AQI score of 175 at 09:10 am. The air was classified as ‘unhealthy’.
Mongolia’s Ulan Bator and South Thailand’s Chiang Mai occupied the first and second spots in the list of cities with the worst air quality with AQI scores of 226 and 177 respectively.
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.
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, 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. Its air quality usually improves during monsoon.
Dhaka’s air ‘hazardous’
Bangladesh’s capital Dhaka ranked the worst in the Air Quality Index (AQI and it was classified as hazardous on Sunday morning.
Air Quality index: Dhaka still remains worst
Bangladesh’s capital Dhaka ranked worst in the Air Quality Index (AQI) on Friday.
Air quality Index: Dhaka ranks second worst
Bangladesh’s capital Dhaka ranked second among cities with worst quality in the Air Quality Index (AQI) on Thursday morning.
Dhaka’s air worst in world
Bangladesh’s capital Dhaka topped the list of cities with worst air in the Air Quality Index (AQI) on Wednesday morning.
Dhaka’s air quality improves after morning rain
The air quality in Bangladesh’s capital Dhaka improved drastically after rain on Tuesday morning.
No improvement in Dhaka’s air quality
Bangladesh’s capital Dhaka ranked fourth worst in the Air Quality Index (AQI) on Monday morning.