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Dhaka's Air Unhealthy for Sensitive Groups

Photo: Collected from UNB.

Photo: Collected from UNB.

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

The air in Dhaka was categorized as 'unhealthy for sensitive groups' in the morning and the megacity had an AQI score of 101 at 09:08am.

When the AQI is between 101 and 150, members of sensitive groups may experience health effects. The general public is less likely to be affected by this condition.

Indonesia's Jakarta, South Africa's Johannesburg and India's Delhi occupied the first three spots in the list of cities with worst air quality with AQI scores of 122, 117 and 113 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).

Bangladesh has a subtropical monsoon climate characterized by wide seasonal variations in rainfall, high temperatures and humidity.

Dhaka’s air starts getting fresh when rainfalls begin from mid-June. The air remains mostly acceptable during the monsoon season from June to October.

Source: UNB

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