Air pollution isn't always visible, but it's definitely real. To help us gain a better understanding of air quality around the world, BreezoMeter, an air quality analytics provider, is visually ...

found that just 17 per cent of cities meet the World Health Organisation's (WHO's) air pollution guidelines. As this map ...

The Environmental Protection Agency's Air Quality Index (AQI) map for Thursday displays a number of orange-coded regions, indicating air pollution levels that could harm people with respiratory ...