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The Financial Express

Air quality: Dhaka ranks 2nd worst again

Published: May 28, 2020 10:42:34 | Updated: May 28, 2020 16:16:15


File photo (collected) File photo (collected)

Dhaka, the capital city of Bangladesh, again ranked second worst in the Air Quality Index (AQI) on Thursday.

It had an AQI score of 138 at 10:00 am and its air quality was classified as ‘unhealthy for sensitive group’.

China’s Shanghai and Vietnam’s Hanoi occupied the first and second spots in the list of cities with the worst air with scores 154 and 138 respectively, reports UNB.

When the AQI value is between 101- and 150, the air quality is unhealthy for sensitive group. Members of sensitive groups may experience health effects. The general public is not likely to be affected.

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.

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

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