Dhaka, the overcrowded capital city of Bangladesh, ranked sixth on the list of cities with the worst air quality with an AQI ...

The AQI in Bangladesh is based on five pollutants: particulate matter (PM10 and PM2.5), NO2, CO, SO2, and ozone ...

Dhaka has ranked the second on the list of cities with the worst air quality with an AQI score of 177 at about ...

Bangkok was ranked as the fourth most polluted city in the world, according to IQAir. The air quality index (AQI) in Bangkok ...

Delhi recorded an average AQI of 350 at 6 AM on Friday. The increasing pollution in the region led the Commission for Air ...

Specialized air quality instruments captured a spike in lead, chlorine, and bromine pollution during the L.A. wildfires.

Public health risks increase as the AQI rises. Eight pollutants namely particulate matter PM10, PM2.5, Ozone, Sulphur dioxide, Nitrogen dioxide, Carbon monoxide, Lead and Ammonia act as major ...

School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, Georgia 30331, United States ...

Ozone is a gas comprised of three oxygen (O3) atoms. It is unstable and reacts easily to other gases. In its natural state, it is a component in several levels of the atmosphere. At high altitudes ...

Today's AQI is better than it has been in past few ... measured include particulate matter (PM), nitrogen dioxide (NO2), ozone (O3), carbon monoxide (CO), and sulfur dioxide (SO2).