Dhaka, the capital of Bangladesh, ranked second among the
world’s cities in terms of air pollution today. With an Air Quality Index score
of 175, the air quality in Dhaka was in the unhealthy category. The information
was obtained from the index of IQAir, a Switzerland based air quality
monitoring organization.
The main pollutant in Dhaka’s air is particulate matter,
particularly PM2.5. The concentration of fine particulate matter in Dhaka’s air
this morning was nearly 18 times higher tha...