June 26, 2024, 4:49 am

Siyam Hoque

2020-04-18 16:55:29 BdST

No improvement in Dhaka’s air quality


Bangladesh’s capital Dhaka ranked 4th worst in the Air Quality Index (AQI) on Saturday morning.

The city had a score of 153 at 8:02 am, indicating that the air quality was ‘unhealthy’.

When the AQI value is between 150 and 200, everyone may begin to experience health effects.

China’s Shenzhen and Ukraine’s Kyiv occupied the first and the second spots in the list of cities with the worst air quality with AQI scores of 184 and 178 respectively.

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.

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