Dhaka’s air quality is once again in the ‘unhealthy’ category. With an Air Quality Index (AQI) score of 180 at 9.08 am on Wednesday, the Bangladesh capital ranked third in the list of cities with the worst air quality across the world, UNB reported.
Pakistan’s Lahore and Thailand’s Chiang Mai occupied the first and second places with AQI scores of 243 and 187 respectively.
The AQI in Bangladesh is based on five pollutants: particulate matter (PM10 and PM2.5), NO2, CO, SO2 and ozone.
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