Dhaka has been suffering from air pollution for a long time. UNB file photo
Magacity has been plagued by air pollution for a long time. The cities of different countries of the world are not left out of this list. However, the city’s air quality has improved slightly after a few days of rain. Today, Monday (June 3), Dhaka is ranked 12th in the list of cities with polluted air in the world.
According to the information of IQAir, an international air quality technology organization, Dhaka’s air AQI score is 85 at 8:50 am on Monday. Which is considered moderate in terms of air quality. With this score, Dhaka ranks 12th in the list of cities with the most polluted air in the world.
Kampala, the capital of Uganda, tops the list of polluted cities with a score of 179. Apart from this, Pakistan’s Lahore is in the second position with a score of 163, Chile’s capital Santiago is in the third position with a score of 154, Delhi in India is in the fourth position with a score of 149 and Kinshasa, the capital of the Democratic Republic of Congo, is in the fifth position with a score of 134.
An AQI score of zero to 50 is considered good. 51 to 100 is considered moderate; And a score of 101 to 150 is considered unhealthy for sensitive groups. A score of 151 to 200 is considered ‘unhealthy’ air.
An AQI score between 201 and 300 is considered ‘very unhealthy’. In this situation, children, elderly and sick patients are advised to limit their activities indoors and others outside the home. Also, an AQI between 301 and 400 is considered ‘hazardous’, posing a serious health risk to city dwellers.
Generally AQI is determined based on five types of pollutants; For example: particulate matter (PM10 and PM2.5), NO2, CO, SO2 and ozone (O3).