Poor people forced to breathe bad air

intellinews : "Overall the study finds that more than 80% of people living in urban areas that monitor air pollution are exposed to air quality levels that exceed WHO limits, with populations in low-income cities the most impacted. 98% of cities in low- and middle income countries with more than 100,000 inhabitants do not meet the body’s air quality guidelines, while in high-income countries the percentage is a still worrying 56%."