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Ultra-fine particulate matters are the next health scandal

Air quality is a highly debated issue in Europe and the authorities now have it well under control. That is why many environmental zones have been established. However, only PM-10 particulate matter and nitrogen oxides are observed. The French safety agency warns of dangerous pollutants: ultra-fine particulate matters (<0.1µm), which is even smaller than our cells! The European directive has to regulate it as well!