Graphs reveal how air pollution has changed since the Industrial Revolution UK cities have made significant reductions since ...

Dhaka, the overcrowded capital city of Bangladesh, ranked first on the list of cities with the worst air quality with an AQI ...

According to data from AirVisual, Hanoi, the capital of Vietnam, currently has the most polluted air in the world. On Friday, January 3, the concentration of harmful PM2.5 particles was 266 ...