Kolkata: The city woke up to a smoggy Thursday with poor visibility while the overall air quality deteriorated to the ‘poor' category (AQI: 201-300) f.
Delhi shivers under cold waves and poor air quality, with AQI levels reaching unhealthy and fog enveloping the city.
Bangladesh's densely populated capital Dhaka ranked as the city with the third-worst air quality globally, with an Air ...