Dhaka's air saw significant fall in pollution level during the three days following Eid-ul-Azha.

Dhaka showed AQI (Air Quality Index) score of 22, 25 and 43 on July 22, 23 and 24 respectively, according to IQAir, a real-time air quality information platform.

That means Dhaka's air was healthy during the three days as AQI score of 0-50 is considered "good" -- represented with the green colour code.

Dhaka's air is no stranger to the colours yellow -- meaning "moderate" (AQI 51 to 100) -- or Orange -- meaning "unhealthy for sensitive groups" (AQI 101 to 150).

The pollution level in the air or particulate matter (PM2.5) reading between 12.1 to 35.4 μg/m³ (microgram / cubic meter) is classified as "moderate" by the World Health Organization. PM2.5 level under 12.1 μg/m³ is considered "healthy".

PM2.5 reading for Dhaka air on July 22 was 5.3, on July 23 it was 6.1 and on July 24 it was 10.5 μg/m³, making Dhaka air "healthy", a rare phenomenon for one of the most polluted cities in the world.

In 2019, Dhaka saw a PM2.5 reading of 83.3 μg/m³ as the yearly average, according to the air quality information platform.