Dhaka, Feb. 3 -- Dhaka, the densely populated capital of Bangladesh, ranked fist among the world's most polluted cities on Tuesday morning, recording an Air Quality Index (AQI) of 275 at 11:19 am.

Unhealthy PM2.5 levels in parts of California and Mississippi are prompting EPA warnings for residents to limit outdoor ...

Lat Krabang is bearing the brunt as the only Bangkok district where dust levels surged today, with PM2.5 spiking to 41.3 ...

Dhaka, Feb. 9 -- Dhaka, the densely populated capital of Bangladesh, ranked second among the world's most polluted cities on Monday morning, recording an Air Quality Index (AQI) of 254 at 9:17 am.