Air pollution: how does it affect you?

With new WHO data shedding light on the severity of the problem, we want to hear from readers across the globe on their experiences of air pollution

More than 80% of people living in urban areas where air pollution is monitored are exposed to air quality levels that excede World Health Organisation limits, according to the latest urban air quality data released by the agency.

The data suggests populations in low-income cities are particularly under threat from the effects of air pollution.