Air pollution is also increasing in the megacity Dhaka along with other countries. However, the air quality has improved a lot due to the recent rains in Dhaka amid the intense heat. Due to the rain, some relief has returned to Dhaka’s air quality at times.
As of 9 am today, Wednesday, according to the standards of the international air quality technology company IQAir, the capital Dhaka is ranked 52nd in the list of the most polluted cities in the world with a score of 56. Which is considered moderate in terms of pollution.
At the same time, Riyadh, Saudi Arabia, is at the top of the list of the most polluted cities in the world with a score of 203. In addition, Dubai, United Arab Emirates, is in second place with a score of 158, Lahore, Pakistan, is in third place with a score of 142, Addis Ababa, Ethiopia, is in fourth place with a score of 126, and Ho Chi Minh City, Vietnam, is in fifth place with a score of 121.
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, the elderly and the sick are advised to stay indoors and others are advised to limit their outdoor activities. Furthermore, an AQI between 301 and 400 is considered ‘hazardous’, posing a serious health risk to city dwellers.
