Bolivia looks to improve its air quality

Bolivia's cities suffer from severe air pollution. A Swiss project entitled Aire Limpio is helping to improve their air quality. Empa is also on board, readily passing on its expertise in the field of air measuring technology and air quality control. In the last decade, the number of cars on Bolivia's roads has tripled. The enormous amount of traffic in cities like La Paz is the main culprit behind the high air pollution levels. Measurements revealed that the concentration of pollutants in Bolivia's cities often exceeds the limits set by the World Health Organization (WHO). Bolivians are aware of this thanks to a project entitled Aire Limpio (i.e.