Air Quality Index: Dhaka’s air classified as ‘very unhealthy’

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Staff Reporter:

Bangladesh’s capital Dhaka was ranked second among cities with worst air quality on Monday morning.

It had an AQI score of 289 at 08am. The air was classified as ‘very unhealthy’.

India’s Delhi and Mongolia’s Ulaanbaatar occupied the first and third spots in the list of cities with the worst air quality with AQI scores of 338 and 258 respectively.

When the AQI value is between 201 and 300, the entire population is more likely to be affected. In this situation, children are advised to limit outdoor activities.

The AQI, an index for reporting daily air quality, informs people how clean or polluted the air of a certain city is, and what associated health effects might be a concern for them.

In Bangladesh, the AQI is based on five criteria pollutants – Particulate Matter (PM10 and PM2.5), NO2, CO, SO2 and Ozone (O3).

The Department of Environment has also set national ambient air quality standards for these pollutants. These standards aim to protect against adverse human health impacts.

Dhaka has long been grappling with air pollution. Its air quality usually improves during monsoon.unb

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