Air pollution continues to worsen in many cities around the world, and Dhaka remains among the hardest hit. Although rainfall usually brings temporary relief, air quality in the capital has not improved despite several days of continuous rain.
According to data released by international air quality monitoring organisation IQAir on Tuesday (May 5) morning, Dhaka ranked as the most polluted city in the world. The city recorded an Air Quality Index (AQI) of 167, which falls into the ‘unhealthy’ category.
China’s Chengdu ranked second with an AQI of 156. Kuwait City placed third with a score of 154, while India’s Delhi ranked fourth at 144.
AQI levels between 0 and 50 are considered ‘good’, while 51 to 100 are ‘moderate’. Readings from 101 to 150 are ‘unhealthy for sensitive groups’, and 151 to 200 are classified as ‘unhealthy’.
When AQI rises above 200, health risks increase significantly. Levels between 201 and 300 are deemed ‘very unhealthy’, prompting advice for children, older adults, and people with illnesses to stay indoors. AQI above 300 is considered ‘hazardous’ and poses serious health risks to the general population.
